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#337052

a dark, soft green · cool · closest name: Sea Green

RGB
51, 112, 82
HSL
151°, 37%, 32%
CMYK
55, 0, 27, 56
Luminance
0.1290

At a glance

Every number on this page in one read: what #337052 is made of, how bright it looks, and which way it leans.

Hex
#337052
Hue
151°
green
Saturation
37%
soft
Lightness
32%
dark
Brightness
44%
HSV value
Perceived
37%
weighted brightness
Luminance
0.1290
WCAG relative
Temperature
Cool
75/100 cool
Color family
Green
Tone
Soft
Best ink
White
5.87:1
Closest name
Sea Green
ΔE2000 10.6
Where it sits
Hue151° of 360°
Saturation37%
Lightness32%
Temperature
Warm ← → Cool75% 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#337052
RGBrgb(51, 112, 82)
HSLhsl(151, 37%, 32%)
CMYKcmyk(55%, 0%, 27%, 56%)
LABlab(42.6 -27.5 10.8)
LCHlch(42.6 29.5 158.6)
OKLCHoklch(0.496 0.080 160.0)
Decimal3371090
Display P3color(display-p3 0.200 0.439 0.322)

Copy-ready code

/* CSS */
color: #337052;
background-color: #337052;
/* Tailwind (arbitrary) */
class="text-[#337052] bg-[#337052]"
/* SCSS */
$brand: #337052;
/* SwiftUI */
Color(red: 0.200, green: 0.439, blue: 0.322)
/* Android */
Color.parseColor("#337052")
/* Flutter */
Color(0xFF337052)
/* Python / OpenCV (BGR) */
(82, 112, 51)

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 #337052 · 5.87:1
Use #ffffffAA at every size, AAA for large text only.
Aa
White text · 5.87:1 · recommended
AA pass · AA large pass · AAA fail
Aa
Black text · 3.58:1
AA fail · AA large pass · AAA fail
Reading the other direction: #337052 as text scores 5.87:1 on white and 3.58:1 on black.

Accessibility — WCAG contrast

Aa
#337052 on white: 5.87:1
AA ✓ pass · AA-large · AAA
Aa
#337052 on black: 3.58:1
AA ✗ fail · AA-large · AAA
true color
protanopia · #6F6850
deuteranopia · #666254
tritanopia · #1F7068

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #337052 is pinned to step 800; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F5FAF7
#EBF4F0
#D3E9DE
#B2DCC7
#8BCAAB
#65B98F
#4DA87B
#408C67
#337052
#28523E
#193326
Base = 800Lightest = 50 · #F5FAF7Darkest = 950 · #193326
:root {
  --brand-50: #F5FAF7;
  --brand-100: #EBF4F0;
  --brand-200: #D3E9DE;
  --brand-300: #B2DCC7;
  --brand-400: #8BCAAB;
  --brand-500: #65B98F;
  --brand-600: #4DA87B;
  --brand-700: #408C67;
  --brand-800: #337052;
  --brand-900: #28523E;
  --brand-950: #193326;
  --brand: #337052;
  --brand-ink: #ffffff;
}

Colors that work with #337052

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#F4FAF7
Tinted page background
Border#C7E5D6
Hairlines and dividers
Muted text#4B9B73
Captions on the surface
Accent#733062
Second voice, not a rival
Dark variant#285840
Hover, pressed, headers
Light variant#EDF7F2
Selected rows, tints
Dark surface#14241C
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 #337052

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

Works well for
  • Body text and links on white
  • Charts, tags and secondary surfaces
  • Headers, footers and dark-mode surfaces
  • Brand accents, badges and data highlights
Use with care
  • Black text placed on it
  • 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#703351
Analogous left#337034
Analogous right#337070
Split-complement 1#703370
Split-complement 2#703433
Triadic 1#523370
Triadic 2#705233
Tetradic#343370

RGB percentages

Red20.0%
Green43.9%
Blue32.2%

CMYK percentages

Cyan54.5%
Magenta0.0%
Yellow26.8%
Key (black)56.1%

Color previews

#337052 text on a black background

contrast 3.58:1

Card sample

#337052 text on a white background

contrast 5.87:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #337052;
Background color
Panel with #337052 background
background-color: #337052;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #337052;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(51, 112, 82, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 112, 82, 0.45);
Border & gradient
Gradient panel
border: 3px solid #337052;
background: linear-gradient(135deg, #337052, #336570);

Monochromatic scale

Palettes built from #337052

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.

#337052 in the real world

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

Industries
SustainabilityFinanceHealth and wellnessAgriculture
Common UI roles
ButtonsLinksFocus statesCharts
Print note

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

#337052, answered

What color is #337052?

#337052 is a dark soft green, closest to Sea Green (ΔE2000 10.6). It sits at 151° on the hue wheel with 37% saturation and 32% lightness, which reads as cool.

What is the RGB value of #337052?

rgb(51, 112, 82) — 51 red, 112 green and 82 blue out of 255, or 20% / 43.9% / 32.2% by channel.

Is #337052 a light or a dark color?

It is a dark color. Relative luminance is 0.1290 and perceived brightness is 37%, so white text on it reaches 5.87:1.

Should I use black or white text on #337052?

White. It scores 5.87:1 against #337052, versus 3.58:1 for black — AA at any size.

What is the complementary color of #337052?

#703351 sits directly opposite on the wheel. Softer options are the split-complements #703370 and #703433, which give the same contrast with far less vibration.

What colors go well with #337052?

For interface work: #F4FAF7 as the surface, #C7E5D6 for borders, #4B9B73 for secondary text, #733062 as an accent and #285840 for hover and pressed states. For a palette, the analogous pair #337034 and #337070 stays calm, while #703351 is the loudest partner.

What is #337052 in CMYK for printing?

cmyk(55%, 0%, 27%, 56%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #337052 warm or cool?

Cool — it scores 75 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #33703C; nudged cooler, #31726A.

Work with #337052 in the Color Lab