#6C151C#6C151C

#6C151C is a dark, vivid red. Relative luminance 0.038; OKLCH L 35.1% C 0.120 H 22.1°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#6C151C
RGB	rgb(108, 21, 28)
HSL	hsl(355, 67%, 25%)
HSV	hsv(355, 81%, 42%)
CMYK	cmyk(0%, 80.6%, 74.1%, 57.6%)
CIE-LAB	lab(23.03, 37.93, 19.53)
CIE-LCH	lch(23.03, 42.66, 27.25°)
OKLab	oklab(35.12% 0.1112 0.0451)
OKLCH	oklch(35.12% 0.12 22.1)
XYZ	xyz(6.6629, 3.8093, 1.4828)
Luminance	0.0381 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6C151C #156C65

analogous

#6C1548 #6C151C #6C3915

triadic

#6C151C #1C6C15 #151C6C

tetradic

#6C151C #486C15 #156C65 #39156C

square

#6C151C #486C15 #156C65 #39156C

split-complementary

#6C151C #156C39 #15486C

monochromatic

#1A0507 #390B0F #6C151C #9F1F29 #D22937

Accessibility & contrast

On white

11.92

#6C151C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#6C151C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6C151C

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6C151C	#FFFFFF	#000000	##FFFFFF
##6C151C	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2B1B

Deuteranopia (green-blind)

#453E19

Tritanopia (blue-blind)

#770018

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #6c151c;
/* rgb */ color: rgb(108, 21, 28);
/* oklch */ color: oklch(35.1% 0.120 22.1);

Tailwind

colors: {
  custom: {
    50: '#9d5b58',
    500: '#6c151c',
    950: '#000000',
  },
}

SCSS

$custom: #6c151c;
$custom-light: #9d5b58;
$custom-dark: #000000;

JSON

{
  "hex": "#6c151c",
  "rgb": {
    "r": 108,
    "g": 21,
    "b": 28
  },
  "hsl": {
    "h": 355.172,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.3512,
    "c": 0.12002,
    "h": 22.1
  },
  "luminance": 0.03808
}

Semantic roles & 50–950 ramp

primary

#6C151C

secondary

#3AA39A

accent

#EADC3D

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100403

muted

#7F7978

Preview Lab

Preview with #6C151C

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

Preview Lab → · Contrast checker → · Palette generator →