#631927#631927

#631927 is a dark, moderate red. Relative luminance 0.035; OKLCH L 34.0% C 0.106 H 13.9°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#631927
RGB	rgb(99, 25, 39)
HSL	hsl(349, 60%, 24%)
HSV	hsv(349, 75%, 39%)
CMYK	cmyk(0%, 74.7%, 60.6%, 61.2%)
CIE-LAB	lab(21.93, 34.05, 10.22)
CIE-LCH	lch(21.93, 35.55, 16.72°)
OKLab	oklab(34.03% 0.1025 0.0254)
OKLCH	oklch(34.03% 0.106 13.9)
XYZ	xyz(5.8600, 3.4952, 2.2851)
Luminance	0.0349 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631927 #196355

analogous

#63194C #631927 #633019

triadic

#631927 #276319 #192763

tetradic

#631927 #4C6319 #196355 #301963

square

#631927 #4C6319 #196355 #301963

split-complementary

#631927 #196330 #194C63

monochromatic

#18060A #320D14 #631927 #94253A #C5324D

Accessibility & contrast

On white

12.36

#631927 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#631927 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631927

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631927	#FFFFFF	#000000	##FFFFFF
##631927	1.00	12.36	1.70	12.36
#FFFFFF	12.36	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2B27

Deuteranopia (green-blind)

#3F3A25

Tritanopia (blue-blind)

#6D071F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #631927;
/* rgb */ color: rgb(99, 25, 39);
/* oklch */ color: oklch(34.0% 0.106 13.9);

Tailwind

colors: {
  custom: {
    50: '#945c60',
    500: '#631927',
    950: '#000000',
  },
}

SCSS

$custom: #631927;
$custom-light: #945c60;
$custom-dark: #000000;

JSON

{
  "hex": "#631927",
  "rgb": {
    "r": 99,
    "g": 25,
    "b": 39
  },
  "hsl": {
    "h": 348.649,
    "s": 59.677,
    "l": 24.314
  },
  "oklch": {
    "l": 0.34028,
    "c": 0.10561,
    "h": 13.9
  },
  "luminance": 0.03494
}

Semantic roles & 50–950 ramp

primary

#631927

secondary

#3F9988

accent

#E3C545

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #631927

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

Preview Lab → · Contrast checker → · Palette generator →