#7B1828#7B1828

#7B1828 is a dark, vivid red. Relative luminance 0.050; OKLCH L 38.5% C 0.133 H 17.7°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#7B1828
RGB	rgb(123, 24, 40)
HSL	hsl(350, 67%, 29%)
HSV	hsv(350, 80%, 48%)
CMYK	cmyk(0%, 80.5%, 67.5%, 51.8%)
CIE-LAB	lab(26.79, 42.44, 16.87)
CIE-LCH	lch(26.79, 45.67, 21.67°)
OKLab	oklab(38.55% 0.1263 0.0403)
OKLCH	oklch(38.55% 0.133 17.7)
XYZ	xyz(8.8790, 5.0188, 2.5083)
Luminance	0.0502 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#7B1828 #187B6B

analogous

#7B185A #7B1828 #7B3A18

triadic

#7B1828 #287B18 #18287B

tetradic

#7B1828 #5A7B18 #187B6B #3A187B

square

#7B1828 #5A7B18 #187B6B #3A187B

split-complementary

#7B1828 #187B3A #185A7B

monochromatic

#1A0508 #480E17 #7B1828 #AE2239 #D83650

Accessibility & contrast

On white

10.48

#7B1828 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#7B1828 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7B1828

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##7B1828	#FFFFFF	#000000	##FFFFFF
##7B1828	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353228

Deuteranopia (green-blind)

#4E4725

Tritanopia (blue-blind)

#87001F

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #7b1828;
/* rgb */ color: rgb(123, 24, 40);
/* oklch */ color: oklch(38.5% 0.133 17.7);

Tailwind

colors: {
  custom: {
    50: '#a85f61',
    500: '#7b1828',
    950: '#000000',
  },
}

SCSS

$custom: #7b1828;
$custom-light: #a85f61;
$custom-dark: #000000;

JSON

{
  "hex": "#7b1828",
  "rgb": {
    "r": 123,
    "g": 24,
    "b": 40
  },
  "hsl": {
    "h": 350.303,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.38545,
    "c": 0.13254,
    "h": 17.7
  },
  "luminance": 0.05017
}

Semantic roles & 50–950 ramp

primary

#7B1828

secondary

#3FB09D

accent

#EACE3E

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110505

muted

#807979

Preview Lab

Preview with #7B1828

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

Preview Lab → · Contrast checker → · Palette generator →