#7C171B#7C171B

#7C171B is a dark, vivid red. Relative luminance 0.050; OKLCH L 38.4% C 0.135 H 24.6°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#7C171B
RGB	rgb(124, 23, 27)
HSL	hsl(358, 69%, 29%)
HSV	hsv(358, 81%, 49%)
CMYK	cmyk(0%, 81.5%, 78.2%, 51.4%)
CIE-LAB	lab(26.67, 42.41, 25.28)
CIE-LCH	lch(26.67, 49.37, 30.80°)
OKLab	oklab(38.43% 0.123 0.0564)
OKLCH	oklch(38.43% 0.135 24.6)
XYZ	xyz(8.8175, 4.9784, 1.5334)
Luminance	0.0498 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#7C171B #177C78

analogous

#7C174E #7C171B #7C4617

triadic

#7C171B #1B7C17 #171B7C

tetradic

#7C171B #4E7C17 #177C78 #46177C

square

#7C171B #4E7C17 #177C78 #46177C

split-complementary

#7C171B #177C46 #174E7C

monochromatic

#1A0506 #480D10 #7C171B #B02126 #D9343B

Accessibility & contrast

On white

10.52

#7C171B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#7C171B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7C171B

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##7C171B	#FFFFFF	#000000	##FFFFFF
##7C171B	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36311A

Deuteranopia (green-blind)

#4F4717

Tritanopia (blue-blind)

#89001A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #7c171b;
/* rgb */ color: rgb(124, 23, 27);
/* oklch */ color: oklch(38.4% 0.135 24.6);

Tailwind

colors: {
  custom: {
    50: '#aa5f57',
    500: '#7c171b',
    950: '#000000',
  },
}

SCSS

$custom: #7c171b;
$custom-light: #aa5f57;
$custom-dark: #000000;

JSON

{
  "hex": "#7c171b",
  "rgb": {
    "r": 124,
    "g": 23,
    "b": 27
  },
  "hsl": {
    "h": 357.624,
    "s": 68.707,
    "l": 28.824
  },
  "oklch": {
    "l": 0.3843,
    "c": 0.1353,
    "h": 24.6
  },
  "luminance": 0.04977
}

Semantic roles & 50–950 ramp

primary

#7C171B

secondary

#3EB1AC

accent

#ECE53C

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110503

muted

#807978

Preview Lab

Preview with #7C171B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →