#631526#631526

#631526 is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.6% C 0.110 H 13.1°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#631526
RGB	rgb(99, 21, 38)
HSL	hsl(347, 65%, 24%)
HSV	hsv(347, 79%, 39%)
CMYK	cmyk(0%, 78.8%, 61.6%, 61.2%)
CIE-LAB	lab(21.32, 35.59, 10.10)
CIE-LCH	lch(21.32, 36.99, 15.84°)
OKLab	oklab(33.57% 0.1073 0.0251)
OKLCH	oklch(33.57% 0.11 13.1)
XYZ	xyz(5.7642, 3.3297, 2.1725)
Luminance	0.0333 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631526 #156352

analogous

#63154D #631526 #632B15

triadic

#631526 #266315 #152663

tetradic

#631526 #4D6315 #156352 #2B1563

square

#631526 #4D6315 #156352 #2B1563

split-complementary

#631526 #15632B #154D63

monochromatic

#19050A #310A13 #631526 #952039 #C82A4D

Accessibility & contrast

On white

12.61

#631526 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#631526 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631526

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631526	#FFFFFF	#000000	##FFFFFF
##631526	1.00	12.61	1.67	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2926

Deuteranopia (green-blind)

#3E3924

Tritanopia (blue-blind)

#6D001C

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #631526;
/* rgb */ color: rgb(99, 21, 38);
/* oklch */ color: oklch(33.6% 0.110 13.1);

Tailwind

colors: {
  custom: {
    50: '#955a60',
    500: '#631526',
    950: '#000000',
  },
}

SCSS

$custom: #631526;
$custom-light: #955a60;
$custom-dark: #000000;

JSON

{
  "hex": "#631526",
  "rgb": {
    "r": 99,
    "g": 21,
    "b": 38
  },
  "hsl": {
    "h": 346.923,
    "s": 65,
    "l": 23.529
  },
  "oklch": {
    "l": 0.33569,
    "c": 0.11016,
    "h": 13.1
  },
  "luminance": 0.03329
}

Semantic roles & 50–950 ramp

primary

#631526

secondary

#3A9A85

accent

#E8C340

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #631526

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

Preview Lab → · Contrast checker → · Palette generator →