#6B231F#6B231F

#6B231F is a dark, moderate red. Relative luminance 0.044; OKLCH L 36.6% C 0.104 H 26.7°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#6B231F
RGB	rgb(107, 35, 31)
HSL	hsl(3, 55%, 27%)
HSV	hsv(3, 71%, 42%)
CMYK	cmyk(0%, 67.3%, 71%, 58%)
CIE-LAB	lab(25.04, 31.82, 19.93)
CIE-LCH	lch(25.04, 37.55, 32.06°)
OKLab	oklab(36.6% 0.0927 0.0465)
OKLCH	oklch(36.6% 0.104 26.7)
XYZ	xyz(6.9125, 4.4277, 1.7867)
Luminance	0.0443 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B231F #1F676B

analogous

#6B1F41 #6B231F #6B491F

triadic

#6B231F #1F6B23 #231F6B

tetradic

#6B231F #416B1F #1F676B #491F6B

square

#6B231F #416B1F #1F676B #491F6B

split-complementary

#6B231F #1F6B49 #1F416B

monochromatic

#180807 #3C1311 #6B231F #9A332D #C7453D

Accessibility & contrast

On white

11.14

#6B231F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#6B231F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B231F

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B231F	#FFFFFF	#000000	##FFFFFF
##6B231F	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36321E

Deuteranopia (green-blind)

#48411D

Tritanopia (blue-blind)

#761223

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #6b231f;
/* rgb */ color: rgb(107, 35, 31);
/* oklch */ color: oklch(36.6% 0.104 26.7);

Tailwind

colors: {
  custom: {
    50: '#9b625a',
    500: '#6b231f',
    950: '#000000',
  },
}

SCSS

$custom: #6b231f;
$custom-light: #9b625a;
$custom-dark: #000000;

JSON

{
  "hex": "#6b231f",
  "rgb": {
    "r": 107,
    "g": 35,
    "b": 31
  },
  "hsl": {
    "h": 3.158,
    "s": 55.072,
    "l": 27.059
  },
  "oklch": {
    "l": 0.36598,
    "c": 0.10374,
    "h": 26.7
  },
  "luminance": 0.04427
}

Semantic roles & 50–950 ramp

primary

#6B231F

secondary

#479B9F

accent

#D7DE49

background

#FAF5F5

surface

#F4EAE9

border

#CEC6C5

text

#0F0504

muted

#7F7979

Preview Lab

Preview with #6B231F

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

Preview Lab → · Contrast checker → · Palette generator →