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#3233db

a balanced, vivid blue · cool · closest name: Blue

RGB
50, 51, 219
HSL
240°, 70%, 53%
CMYK
77, 77, 0, 14
Luminance
0.0816

At a glance

Every number on this page in one read: what #3233db is made of, how bright it looks, and which way it leans.

Hex
#3233db
Hue
240°
blue
Saturation
70%
vivid
Lightness
53%
balanced
Brightness
86%
HSV value
Perceived
35%
weighted brightness
Luminance
0.0816
WCAG relative
Temperature
Cool
84/100 cool
Color family
Blue
Tone
Vivid
Best ink
White
7.98:1
Closest name
Blue
ΔE2000 5.7
Where it sits
Hue240° of 360°
Saturation70%
Lightness53%
Temperature
Warm ← → Cool84% cool

Reads cool. Warm and cool siblings keep the same lightness, so you can swap one in without redoing your contrast maths.

Every format

HEX#3233db
RGBrgb(50, 51, 219)
HSLhsl(240, 70%, 53%)
CMYKcmyk(77%, 77%, 0%, 14%)
LABlab(34.3 55.0 -84.0)
LCHlch(34.3 100.4 303.2)
OKLCHoklch(0.457 0.243 271.2)
Decimal3290075
Display P3color(display-p3 0.196 0.200 0.859)

Copy-ready code

/* CSS */
color: #3233db;
background-color: #3233db;
/* Tailwind (arbitrary) */
class="text-[#3233db] bg-[#3233db]"
/* SCSS */
$brand: #3233db;
/* SwiftUI */
Color(red: 0.196, green: 0.200, blue: 0.859)
/* Android */
Color.parseColor("#3233db")
/* Flutter */
Color(0xFF3233DB)
/* Python / OpenCV (BGR) */
(219, 51, 50)

Best text color

Only one of black and white can be right. This is the one, with the number that proves it.

Readable at a glance#ffffff on #3233db · 7.98:1
Use #ffffffAAA at every size.
Aa
White text · 7.98:1 · recommended
AA pass · AA large pass · AAA pass
Aa
Black text · 2.63:1
AA fail · AA large fail · AAA fail
Reading the other direction: #3233db as text scores 7.98:1 on white and 2.63:1 on black.

Accessibility — WCAG contrast

Aa
#3233db on white: 7.98:1
AA ✓ pass · AA-large · AAA
Aa
#3233db on black: 2.63:1
AA ✗ fail · AA-large · AAA
true color
protanopia · #0059E0
deuteranopia · #0048D8
tritanopia · #006686

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #3233db is pinned to step 500; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F3F3FC
#E7E7F8
#C9CAF2
#A0A0EE
#7071E6
#3233db
#2526D0
#1E1FAE
#18198B
#161665
#0E0E3F
Base = 500Lightest = 50 · #F3F3FCDarkest = 950 · #0E0E3F
:root {
  --brand-50: #F3F3FC;
  --brand-100: #E7E7F8;
  --brand-200: #C9CAF2;
  --brand-300: #A0A0EE;
  --brand-400: #7071E6;
  --brand-500: #3233db;
  --brand-600: #2526D0;
  --brand-700: #1E1FAE;
  --brand-800: #18198B;
  --brand-900: #161665;
  --brand-950: #0E0E3F;
  --brand: #3233db;
  --brand-ink: #ffffff;
}

Colors that work with #3233db

Not a palette — a role sheet. Each swatch answers one question you will hit while building the component.

Text on it#ffffff
White wins here
Surface#F4F4FA
Tinted page background
Border#C0C0ED
Hairlines and dividers
Muted text#4B4B9B
Captions on the surface
Accent#B28B1A
Second voice, not a rival
Dark variant#13146C
Hover, pressed, headers
Light variant#E9E9FB
Selected rows, tints
Dark surface#141424
Dark-mode background
Light mode
Everything in its place

Surface, border, heading and body all derive from this one hue, so the screen stays coherent without a second palette.

Primary actionSecondaryBadge
Dark mode
Same hue, inverted

Lightness flips, hue holds. The accent stays the anchor in both themes.

Primary actionSecondaryAccent

How to use #3233db

Derived from its contrast, chroma and lightness — not from taste.

Works well for
  • Body text and links on white
  • Primary buttons and calls to action
  • Focus rings, active and selected states
  • Brand accents, badges and data highlights
Use with care
  • Text on black or near-black surfaces
  • Full-page backgrounds — tiring over long sessions
  • Pairing with a same-lightness hue — edges vibrate

Similar colors

One move away from this hex in each direction. Every swatch is its own page.

Color relationships

The wheel positions with their names attached, so you can grab the one you actually need.

Complementary#DBDA32
Analogous left#3288DB
Analogous right#8532DB
Split-complement 1#DB8532
Split-complement 2#88DB32
Triadic 1#DB3233
Triadic 2#33DB32
Tetradic#DB3288

RGB percentages

Red19.6%
Green20.0%
Blue85.9%

CMYK percentages

Cyan77.2%
Magenta76.7%
Yellow0.0%
Key (black)14.1%

Color previews

#3233db text on a black background

contrast 2.63:1

Card sample

#3233db text on a white background

contrast 7.98:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #3233db;
Background color
Panel with #3233db background
background-color: #3233db;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #3233db;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(50, 51, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(50, 51, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3233db;
background: linear-gradient(135deg, #3233db, #A132DB);

Monochromatic scale

Palettes built from #3233db

Shades — darker

Tints — lighter

Color harmonies

Nearest named colors

Ranked with CIEDE2000 across all 139 CSS keywords. Under ΔE 2 the eye stops telling them apart; over ΔE 10 they are plainly different colors.

#3233db in the real world

Where a color in this family tends to land, and the interface roles it is usually asked to play.

Industries
TechnologyFinanceHealthcareEnterprise SaaS
Common UI roles
ButtonsLinksFocus statesCharts
Print note

Converts to four-color process without much drama. Proof it anyway.

#3233db, answered

What color is #3233db?

#3233db is a balanced vivid blue, closest to Blue (ΔE2000 5.7). It sits at 240° on the hue wheel with 70% saturation and 53% lightness, which reads as cool.

What is the RGB value of #3233db?

rgb(50, 51, 219) — 50 red, 51 green and 219 blue out of 255, or 19.6% / 20% / 85.9% by channel.

Is #3233db a light or a dark color?

It is a dark color. Relative luminance is 0.0816 and perceived brightness is 35%, so white text on it reaches 7.98:1.

Should I use black or white text on #3233db?

White. It scores 7.98:1 against #3233db, versus 2.63:1 for black — AAA at any size.

What is the complementary color of #3233db?

#DBDA32 sits directly opposite on the wheel. Softer options are the split-complements #DB8532 and #88DB32, which give the same contrast with far less vibration.

What colors go well with #3233db?

For interface work: #F4F4FA as the surface, #C0C0ED for borders, #4B4B9B for secondary text, #B28B1A as an accent and #13146C for hover and pressed states. For a palette, the analogous pair #3288DB and #8532DB stays calm, while #DBDA32 is the loudest partner.

What is #3233db in CMYK for printing?

cmyk(77%, 77%, 0%, 14%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #3233db warm or cool?

Cool — it scores 84 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #6F32DB; nudged cooler, #2F5BDD.

Work with #3233db in the Color Lab