#631E2E#631E2E

#631E2E is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.8% C 0.100 H 10.0°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#631E2E
RGB	rgb(99, 30, 46)
HSL	hsl(346, 53%, 25%)
HSV	hsv(346, 70%, 39%)
CMYK	cmyk(0%, 69.7%, 53.5%, 61.2%)
CIE-LAB	lab(22.93, 32.43, 6.76)
CIE-LCH	lch(22.93, 33.13, 11.78°)
OKLab	oklab(34.83% 0.0984 0.0174)
OKLCH	oklch(34.83% 0.1 10)
XYZ	xyz(6.1035, 3.7792, 2.9923)
Luminance	0.0378 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631E2E #1E6353

analogous

#631E50 #631E2E #63301E

triadic

#631E2E #2E631E #1E2E63

tetradic

#631E2E #50631E #1E6353 #301E63

square

#631E2E #50631E #1E6353 #301E63

split-complementary

#631E2E #1E6330 #1E5063

monochromatic

#17070B #341018 #631E2E #922C44 #C13A5A

Accessibility & contrast

On white

11.96

#631E2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#631E2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631E2E

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631E2E	#FFFFFF	#000000	##FFFFFF
##631E2E	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2E2E

Deuteranopia (green-blind)

#403C2C

Tritanopia (blue-blind)

#6C1324

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #631e2e;
/* rgb */ color: rgb(99, 30, 46);
/* oklch */ color: oklch(34.8% 0.100 10.0);

Tailwind

colors: {
  custom: {
    50: '#945e66',
    500: '#631e2e',
    950: '#000000',
  },
}

SCSS

$custom: #631e2e;
$custom-light: #945e66;
$custom-dark: #000000;

JSON

{
  "hex": "#631e2e",
  "rgb": {
    "r": 99,
    "g": 30,
    "b": 46
  },
  "hsl": {
    "h": 346.087,
    "s": 53.488,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34831,
    "c": 0.09992,
    "h": 10
  },
  "luminance": 0.03778
}

Semantic roles & 50–950 ramp

primary

#631E2E

secondary

#459885

accent

#DDBB4B

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0505

muted

#7E797A

Preview Lab

Preview with #631E2E

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

Preview Lab → · Contrast checker → · Palette generator →