#631423#631423

#631423 is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.4% C 0.111 H 15.2°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#631423
RGB	rgb(99, 20, 35)
HSL	hsl(349, 66%, 23%)
HSV	hsv(349, 80%, 39%)
CMYK	cmyk(0%, 79.8%, 64.6%, 61.2%)
CIE-LAB	lab(21.11, 35.74, 11.92)
CIE-LCH	lch(21.11, 37.67, 18.44°)
OKLab	oklab(33.4% 0.1072 0.0291)
OKLCH	oklch(33.4% 0.111 15.2)
XYZ	xyz(5.6997, 3.2751, 1.9218)
Luminance	0.0327 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631423 #146354

analogous

#63144A #631423 #632C14

triadic

#631423 #236314 #142363

tetradic

#631423 #4A6314 #146354 #2C1463

square

#631423 #4A6314 #146354 #2C1463

split-complementary

#631423 #14632C #144A63

monochromatic

#190509 #300A11 #631423 #961E35 #C92947

Accessibility & contrast

On white

12.69

#631423 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#631423 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631423

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631423	#FFFFFF	#000000	##FFFFFF
##631423	1.00	12.69	1.65	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2823

Deuteranopia (green-blind)

#3E3921

Tritanopia (blue-blind)

#6D001A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #631423;
/* rgb */ color: rgb(99, 20, 35);
/* oklch */ color: oklch(33.4% 0.111 15.2);

Tailwind

colors: {
  custom: {
    50: '#95595d',
    500: '#631423',
    950: '#000000',
  },
}

SCSS

$custom: #631423;
$custom-light: #95595d;
$custom-dark: #000000;

JSON

{
  "hex": "#631423",
  "rgb": {
    "r": 99,
    "g": 20,
    "b": 35
  },
  "hsl": {
    "h": 348.608,
    "s": 66.387,
    "l": 23.333
  },
  "oklch": {
    "l": 0.33395,
    "c": 0.11105,
    "h": 15.2
  },
  "luminance": 0.03274
}

Semantic roles & 50–950 ramp

primary

#631423

secondary

#389A88

accent

#E9C93E

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #631423

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

Preview Lab → · Contrast checker → · Palette generator →