#631916#631916

#631916 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.7% C 0.107 H 26.9°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#631916
RGB	rgb(99, 25, 22)
HSL	hsl(2, 64%, 24%)
HSV	hsv(2, 78%, 39%)
CMYK	cmyk(0%, 74.7%, 77.8%, 61.2%)
CIE-LAB	lab(21.60, 32.92, 21.35)
CIE-LCH	lch(21.60, 39.23, 32.96°)
OKLab	oklab(33.68% 0.0952 0.0483)
OKLCH	oklch(33.68% 0.107 26.9)
XYZ	xyz(5.6387, 3.4067, 1.1195)
Luminance	0.0341 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631916 #166063

analogous

#631639 #631916 #633F16

triadic

#631916 #166319 #191663

tetradic

#631916 #396316 #166063 #3F1663

square

#631916 #396316 #166063 #3F1663

split-complementary

#631916 #16633F #163963

monochromatic

#190606 #310C0B #631916 #952621 #C7322C

Accessibility & contrast

On white

12.49

#631916 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#631916 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631916

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631916	#FFFFFF	#000000	##FFFFFF
##631916	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2A15

Deuteranopia (green-blind)

#413A13

Tritanopia (blue-blind)

#6E0119

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #631916;
/* rgb */ color: rgb(99, 25, 22);
/* oklch */ color: oklch(33.7% 0.107 26.9);

Tailwind

colors: {
  custom: {
    50: '#965b53',
    500: '#631916',
    950: '#000000',
  },
}

SCSS

$custom: #631916;
$custom-light: #965b53;
$custom-dark: #000000;

JSON

{
  "hex": "#631916",
  "rgb": {
    "r": 99,
    "g": 25,
    "b": 22
  },
  "hsl": {
    "h": 2.338,
    "s": 63.636,
    "l": 23.725
  },
  "oklch": {
    "l": 0.33683,
    "c": 0.10675,
    "h": 26.9
  },
  "luminance": 0.03406
}

Semantic roles & 50–950 ramp

primary

#631916

secondary

#3B969A

accent

#E0E741

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #631916

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

Preview Lab → · Contrast checker → · Palette generator →