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#af373c

a balanced, vivid red · warm · closest name: Brown

RGB
175, 55, 60
HSL
358°, 52%, 45%
CMYK
0, 69, 66, 31
Luminance
0.1217

At a glance

Every number on this page in one read: what #af373c is made of, how bright it looks, and which way it leans.

Hex
#af373c
Hue
358°
red
Saturation
52%
vivid
Lightness
45%
balanced
Brightness
69%
HSV value
Perceived
42%
weighted brightness
Luminance
0.1217
WCAG relative
Temperature
Warm
18/100 cool
Color family
Red
Tone
Vivid
Best ink
White
6.11:1
Closest name
Brown
ΔE2000 4.5
Where it sits
Hue358° of 360°
Saturation52%
Lightness45%
Temperature
Warm ← → Cool18% cool

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

Every format

HEX#af373c
RGBrgb(175, 55, 60)
HSLhsl(358, 52%, 45%)
CMYKcmyk(0%, 69%, 66%, 31%)
LABlab(41.5 48.9 24.9)
LCHlch(41.5 54.9 26.9)
OKLCHoklch(0.514 0.156 22.2)
Decimal11482940
Display P3color(display-p3 0.686 0.216 0.235)

Copy-ready code

/* CSS */
color: #af373c;
background-color: #af373c;
/* Tailwind (arbitrary) */
class="text-[#af373c] bg-[#af373c]"
/* SCSS */
$brand: #af373c;
/* SwiftUI */
Color(red: 0.686, green: 0.216, blue: 0.235)
/* Android */
Color.parseColor("#af373c")
/* Flutter */
Color(0xFFAF373C)
/* Python / OpenCV (BGR) */
(60, 55, 175)

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 #af373c · 6.11:1
Use #ffffffAA at every size, AAA for large text only.
Aa
White text · 6.11:1 · recommended
AA pass · AA large pass · AAA fail
Aa
Black text · 3.43:1
AA fail · AA large pass · AAA fail
Reading the other direction: #af373c as text scores 6.11:1 on white and 3.43:1 on black.

Accessibility — WCAG contrast

Aa
#af373c on white: 6.11:1
AA ✓ pass · AA-large · AAA
Aa
#af373c on black: 3.43:1
AA ✗ fail · AA-large · AAA
true color
protanopia · #57523B
deuteranopia · #766B39
tritanopia · #C0173A

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #af373c is pinned to step 600; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#FAF4F4
#F6E9EA
#EDCFD0
#E4AAAC
#D77F83
#C95459
#af373c
#9B3135
#7C272B
#5B2022
#391415
Base = 600Lightest = 50 · #FAF4F4Darkest = 950 · #391415
:root {
  --brand-50: #FAF4F4;
  --brand-100: #F6E9EA;
  --brand-200: #EDCFD0;
  --brand-300: #E4AAAC;
  --brand-400: #D77F83;
  --brand-500: #C95459;
  --brand-600: #af373c;
  --brand-700: #9B3135;
  --brand-800: #7C272B;
  --brand-900: #5B2022;
  --brand-950: #391415;
  --brand: #af373c;
  --brand-ink: #ffffff;
}

Colors that work with #af373c

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#FAF4F5
Tinted page background
Border#EBC1C3
Hairlines and dividers
Muted text#9B4B4E
Captions on the surface
Accent#2CA07E
Second voice, not a rival
Dark variant#611E21
Hover, pressed, headers
Light variant#F9ECEC
Selected rows, tints
Dark surface#241414
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 #af373c

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
  • 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#37AFAA
Analogous left#AF3778
Analogous right#AF6E37
Split-complement 1#37AF6E
Split-complement 2#3778AF
Triadic 1#3CAF37
Triadic 2#373CAF
Tetradic#78AF37

RGB percentages

Red68.6%
Green21.6%
Blue23.5%

CMYK percentages

Cyan0.0%
Magenta68.6%
Yellow65.7%
Key (black)31.4%

Color previews

#af373c text on a black background

contrast 3.43:1

Card sample

#af373c text on a white background

contrast 6.11:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #af373c;
Background color
Panel with #af373c background
background-color: #af373c;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #af373c;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(175, 55, 60, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(175, 55, 60, 0.45);
Border & gradient
Gradient panel
border: 3px solid #af373c;
background: linear-gradient(135deg, #af373c, #AF8237);

Monochromatic scale

Palettes built from #af373c

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.

#af373c in the real world

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

Industries
Food and drinkEntertainmentRetailSport
Common UI roles
ButtonsLinksFocus statesCharts
Print note

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

#af373c, answered

What color is #af373c?

#af373c is a balanced vivid red, closest to Brown (ΔE2000 4.5). It sits at 358° on the hue wheel with 52% saturation and 45% lightness, which reads as warm.

What is the RGB value of #af373c?

rgb(175, 55, 60) — 175 red, 55 green and 60 blue out of 255, or 68.6% / 21.6% / 23.5% by channel.

Is #af373c a light or a dark color?

It is a dark color. Relative luminance is 0.1217 and perceived brightness is 42%, so white text on it reaches 6.11:1.

Should I use black or white text on #af373c?

White. It scores 6.11:1 against #af373c, versus 3.43:1 for black — AA at any size.

What is the complementary color of #af373c?

#37AFAA sits directly opposite on the wheel. Softer options are the split-complements #37AF6E and #3778AF, which give the same contrast with far less vibration.

What colors go well with #af373c?

For interface work: #FAF4F5 as the surface, #EBC1C3 for borders, #9B4B4E for secondary text, #2CA07E as an accent and #611E21 for hover and pressed states. For a palette, the analogous pair #AF3778 and #AF6E37 stays calm, while #37AFAA is the loudest partner.

What is #af373c in CMYK for printing?

cmyk(0%, 69%, 66%, 31%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #af373c warm or cool?

Warm — it scores 18 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #AF5737; nudged cooler, #B13568.

Work with #af373c in the Color Lab