#7C181A#7C181A

#7C181A is a dark, vivid red. Relative luminance 0.050; OKLCH L 38.5% C 0.135 H 25.4°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#7C181A
RGB	rgb(124, 24, 26)
HSL	hsl(359, 68%, 29%)
HSV	hsv(359, 81%, 49%)
CMYK	cmyk(0%, 80.6%, 79%, 51.4%)
CIE-LAB	lab(26.78, 42.04, 26.02)
CIE-LCH	lch(26.78, 49.44, 31.75°)
OKLab	oklab(38.5% 0.1216 0.0578)
OKLCH	oklch(38.5% 0.135 25.4)
XYZ	xyz(8.8263, 5.0143, 1.4802)
Luminance	0.0501 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#7C181A #187C7A

analogous

#7C184C #7C181A #7C4818

triadic

#7C181A #1A7C18 #181A7C

tetradic

#7C181A #4C7C18 #187C7A #48187C

square

#7C181A #4C7C18 #187C7A #48187C

split-complementary

#7C181A #187C48 #184C7C

monochromatic

#1A0505 #490E0F #7C181A #AF2225 #D83639

Accessibility & contrast

On white

10.49

#7C181A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#7C181A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7C181A

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##7C181A	#FFFFFF	#000000	##FFFFFF
##7C181A	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373119

Deuteranopia (green-blind)

#504716

Tritanopia (blue-blind)

#89001A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #7c181a;
/* rgb */ color: rgb(124, 24, 26);
/* oklch */ color: oklch(38.5% 0.135 25.4);

Tailwind

colors: {
  custom: {
    50: '#aa5f57',
    500: '#7c181a',
    950: '#000000',
  },
}

SCSS

$custom: #7c181a;
$custom-light: #aa5f57;
$custom-dark: #000000;

JSON

{
  "hex": "#7c181a",
  "rgb": {
    "r": 124,
    "g": 24,
    "b": 26
  },
  "hsl": {
    "h": 358.8,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.38502,
    "c": 0.13459,
    "h": 25.4
  },
  "luminance": 0.05013
}

Semantic roles & 50–950 ramp

primary

#7C181A

secondary

#3FB1AE

accent

#EAE73D

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110503

muted

#807978

Preview Lab

Preview with #7C181A

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

Preview Lab → · Contrast checker → · Palette generator →