#7C181F#7C181F

#7C181F is a dark, vivid red. Relative luminance 0.050; OKLCH L 38.6% C 0.134 H 22.9°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#7C181F
RGB	rgb(124, 24, 31)
HSL	hsl(356, 68%, 29%)
HSV	hsv(356, 81%, 49%)
CMYK	cmyk(0%, 80.6%, 75%, 51.4%)
CIE-LAB	lab(26.84, 42.27, 22.91)
CIE-LCH	lch(26.84, 48.08, 28.47°)
OKLab	oklab(38.57% 0.1235 0.0522)
OKLCH	oklch(38.57% 0.134 22.9)
XYZ	xyz(8.8872, 5.0387, 1.8007)
Luminance	0.0504 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#7C181F #187C75

analogous

#7C1851 #7C181F #7C4318

triadic

#7C181F #1F7C18 #181F7C

tetradic

#7C181F #517C18 #187C75 #43187C

square

#7C181F #517C18 #187C75 #43187C

split-complementary

#7C181F #187C43 #18517C

monochromatic

#1A0506 #490E12 #7C181F #AF222C #D83642

Accessibility & contrast

On white

10.46

#7C181F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#7C181F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7C181F

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##7C181F	#FFFFFF	#000000	##FFFFFF
##7C181F	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36321E

Deuteranopia (green-blind)

#4F471C

Tritanopia (blue-blind)

#89001C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #7c181f;
/* rgb */ color: rgb(124, 24, 31);
/* oklch */ color: oklch(38.6% 0.134 22.9);

Tailwind

colors: {
  custom: {
    50: '#a95f5a',
    500: '#7c181f',
    950: '#000000',
  },
}

SCSS

$custom: #7c181f;
$custom-light: #a95f5a;
$custom-dark: #000000;

JSON

{
  "hex": "#7c181f",
  "rgb": {
    "r": 124,
    "g": 24,
    "b": 31
  },
  "hsl": {
    "h": 355.8,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.38575,
    "c": 0.13405,
    "h": 22.9
  },
  "luminance": 0.05037
}

Semantic roles & 50–950 ramp

primary

#7C181F

secondary

#3FB1A9

accent

#EADE3D

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110504

muted

#807979

Preview Lab

Preview with #7C181F

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

Preview Lab → · Contrast checker → · Palette generator →