#631024#631024

#631024 is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.1% C 0.115 H 13.1°. Best body text is #FFFFFF at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#631024
RGB	rgb(99, 16, 36)
HSL	hsl(346, 72%, 23%)
HSV	hsv(346, 84%, 39%)
CMYK	cmyk(0%, 83.8%, 63.6%, 61.2%)
CIE-LAB	lab(20.64, 37.20, 10.58)
CIE-LCH	lch(20.64, 38.68, 15.88°)
OKLab	oklab(33.05% 0.1121 0.0261)
OKLCH	oklch(33.05% 0.115 13.1)
XYZ	xyz(5.6499, 3.1514, 1.9795)
Luminance	0.0315 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631024 #10634F

analogous

#63104E #631024 #632510

triadic

#631024 #246310 #102463

tetradic

#631024 #4E6310 #10634F #251063

square

#631024 #4E6310 #10634F #251063

split-complementary

#631024 #106325 #104E63

monochromatic

#1A040A #2E0711 #631024 #981937 #CC214A

Accessibility & contrast

On white

12.88

#631024 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#631024 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631024

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631024	#FFFFFF	#000000	##FFFFFF
##631024	1.00	12.88	1.63	12.88
#FFFFFF	12.88	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282724

Deuteranopia (green-blind)

#3D3822

Tritanopia (blue-blind)

#6D0019

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #631024;
/* rgb */ color: rgb(99, 16, 36);
/* oklch */ color: oklch(33.1% 0.115 13.1);

Tailwind

colors: {
  custom: {
    50: '#95585e',
    500: '#631024',
    950: '#000000',
  },
}

SCSS

$custom: #631024;
$custom-light: #95585e;
$custom-dark: #000000;

JSON

{
  "hex": "#631024",
  "rgb": {
    "r": 99,
    "g": 16,
    "b": 36
  },
  "hsl": {
    "h": 345.542,
    "s": 72.174,
    "l": 22.549
  },
  "oklch": {
    "l": 0.33052,
    "c": 0.11508,
    "h": 13.1
  },
  "luminance": 0.03151
}

Semantic roles & 50–950 ramp

primary

#631024

secondary

#339C82

accent

#EFC339

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #631024

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

Preview Lab → · Contrast checker → · Palette generator →