#631427#631427

#631427 is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.5% C 0.111 H 12.0°. Best body text is #FFFFFF at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#631427
RGB	rgb(99, 20, 39)
HSL	hsl(346, 66%, 23%)
HSV	hsv(346, 80%, 39%)
CMYK	cmyk(0%, 79.8%, 60.6%, 61.2%)
CIE-LAB	lab(21.21, 36.04, 9.25)
CIE-LCH	lch(21.21, 37.21, 14.39°)
OKLab	oklab(33.5% 0.1089 0.0231)
OKLCH	oklch(33.5% 0.111 12)
XYZ	xyz(5.7625, 3.3003, 2.2526)
Luminance	0.0330 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631427 #146350

analogous

#63144E #631427 #632814

triadic

#631427 #276314 #142763

tetradic

#631427 #4E6314 #146350 #281463

square

#631427 #4E6314 #146350 #281463

split-complementary

#631427 #146328 #144E63

monochromatic

#19050A #300A13 #631427 #961E3B #C9294F

Accessibility & contrast

On white

12.65

#631427 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#631427 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631427

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631427	#FFFFFF	#000000	##FFFFFF
##631427	1.00	12.65	1.66	12.65
#FFFFFF	12.65	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292927

Deuteranopia (green-blind)

#3D3925

Tritanopia (blue-blind)

#6D001C

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #631427;
/* rgb */ color: rgb(99, 20, 39);
/* oklch */ color: oklch(33.5% 0.111 12.0);

Tailwind

colors: {
  custom: {
    50: '#955960',
    500: '#631427',
    950: '#000000',
  },
}

SCSS

$custom: #631427;
$custom-light: #955960;
$custom-dark: #000000;

JSON

{
  "hex": "#631427",
  "rgb": {
    "r": 99,
    "g": 20,
    "b": 39
  },
  "hsl": {
    "h": 345.57,
    "s": 66.387,
    "l": 23.333
  },
  "oklch": {
    "l": 0.33495,
    "c": 0.11134,
    "h": 12
  },
  "luminance": 0.03299
}

Semantic roles & 50–950 ramp

primary

#631427

secondary

#389A83

accent

#E9C03E

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #631427

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

Preview Lab → · Contrast checker → · Palette generator →