#7C1821#7C1821

#7C1821 is a dark, vivid red. Relative luminance 0.050; OKLCH L 38.6% C 0.134 H 21.9°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#7C1821
RGB	rgb(124, 24, 33)
HSL	hsl(355, 68%, 29%)
HSV	hsv(355, 81%, 49%)
CMYK	cmyk(0%, 80.6%, 73.4%, 51.4%)
CIE-LAB	lab(26.88, 42.36, 21.65)
CIE-LCH	lch(26.88, 47.58, 27.07°)
OKLab	oklab(38.61% 0.1243 0.0499)
OKLCH	oklch(38.61% 0.134 21.9)
XYZ	xyz(8.9143, 5.0495, 1.9438)
Luminance	0.0505 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#7C1821 #187C73

analogous

#7C1853 #7C1821 #7C4118

triadic

#7C1821 #217C18 #18217C

tetradic

#7C1821 #537C18 #187C73 #41187C

square

#7C1821 #537C18 #187C73 #41187C

split-complementary

#7C1821 #187C41 #18537C

monochromatic

#1A0507 #490E13 #7C1821 #AF222F #D83645

Accessibility & contrast

On white

10.45

#7C1821 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#7C1821 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7C1821

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##7C1821	#FFFFFF	#000000	##FFFFFF
##7C1821	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363220

Deuteranopia (green-blind)

#4F471E

Tritanopia (blue-blind)

#89001C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #7c1821;
/* rgb */ color: rgb(124, 24, 33);
/* oklch */ color: oklch(38.6% 0.134 21.9);

Tailwind

colors: {
  custom: {
    50: '#a95f5c',
    500: '#7c1821',
    950: '#000000',
  },
}

SCSS

$custom: #7c1821;
$custom-light: #a95f5c;
$custom-dark: #000000;

JSON

{
  "hex": "#7c1821",
  "rgb": {
    "r": 124,
    "g": 24,
    "b": 33
  },
  "hsl": {
    "h": 354.6,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.38608,
    "c": 0.13388,
    "h": 21.9
  },
  "luminance": 0.05048
}

Semantic roles & 50–950 ramp

primary

#7C1821

secondary

#3FB1A6

accent

#EADB3D

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110504

muted

#807979

Preview Lab

Preview with #7C1821

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

Preview Lab → · Contrast checker → · Palette generator →