#6C151B#6C151B

#6C151B is a dark, vivid red. Relative luminance 0.038; OKLCH L 35.1% C 0.120 H 22.7°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#6C151B
RGB	rgb(108, 21, 27)
HSL	hsl(356, 67%, 25%)
HSV	hsv(356, 81%, 42%)
CMYK	cmyk(0%, 80.6%, 75%, 57.6%)
CIE-LAB	lab(23.01, 37.88, 20.18)
CIE-LCH	lch(23.01, 42.92, 28.05°)
OKLab	oklab(35.1% 0.1108 0.0463)
OKLCH	oklch(35.1% 0.12 22.7)
XYZ	xyz(6.6511, 3.8046, 1.4209)
Luminance	0.0380 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6C151B #156C66

analogous

#6C1546 #6C151B #6C3A15

triadic

#6C151B #1B6C15 #151B6C

tetradic

#6C151B #466C15 #156C66 #3A156C

square

#6C151B #466C15 #156C66 #3A156C

split-complementary

#6C151B #156C3A #15466C

monochromatic

#1A0506 #390B0E #6C151B #9F1F28 #D22935

Accessibility & contrast

On white

11.93

#6C151B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#6C151B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6C151B

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6C151B	#FFFFFF	#000000	##FFFFFF
##6C151B	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2B1A

Deuteranopia (green-blind)

#453E18

Tritanopia (blue-blind)

#770018

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #6c151b;
/* rgb */ color: rgb(108, 21, 27);
/* oklch */ color: oklch(35.1% 0.120 22.7);

Tailwind

colors: {
  custom: {
    50: '#9d5b57',
    500: '#6c151b',
    950: '#000000',
  },
}

SCSS

$custom: #6c151b;
$custom-light: #9d5b57;
$custom-dark: #000000;

JSON

{
  "hex": "#6c151b",
  "rgb": {
    "r": 108,
    "g": 21,
    "b": 27
  },
  "hsl": {
    "h": 355.862,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.35103,
    "c": 0.12011,
    "h": 22.7
  },
  "luminance": 0.03804
}

Semantic roles & 50–950 ramp

primary

#6C151B

secondary

#3AA39B

accent

#EADE3D

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100403

muted

#7F7978

Preview Lab

Preview with #6C151B

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

Preview Lab → · Contrast checker → · Palette generator →