#6B1519#6B1519

#6B1519 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.9% C 0.119 H 23.8°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#6B1519
RGB	rgb(107, 21, 25)
HSL	hsl(357, 67%, 25%)
HSV	hsv(357, 80%, 42%)
CMYK	cmyk(0%, 80.4%, 76.6%, 58%)
CIE-LAB	lab(22.77, 37.44, 21.16)
CIE-LCH	lch(22.77, 43.01, 29.47°)
OKLab	oklab(34.87% 0.1091 0.0481)
OKLCH	oklch(34.87% 0.119 23.8)
XYZ	xyz(6.5078, 3.7333, 1.2975)
Luminance	0.0373 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1519 #156B67

analogous

#6B1544 #6B1519 #6B3C15

triadic

#6B1519 #196B15 #15196B

tetradic

#6B1519 #446B15 #156B67 #3C156B

square

#6B1519 #446B15 #156B67 #3C156B

split-complementary

#6B1519 #156B3C #15446B

monochromatic

#1A0506 #380B0D #6B1519 #9E1F25 #D12931

Accessibility & contrast

On white

12.02

#6B1519 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#6B1519 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1519

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1519	#FFFFFF	#000000	##FFFFFF
##6B1519	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2B18

Deuteranopia (green-blind)

#443D16

Tritanopia (blue-blind)

#760017

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #6b1519;
/* rgb */ color: rgb(107, 21, 25);
/* oklch */ color: oklch(34.9% 0.119 23.8);

Tailwind

colors: {
  custom: {
    50: '#9c5b55',
    500: '#6b1519',
    950: '#000000',
  },
}

SCSS

$custom: #6b1519;
$custom-light: #9c5b55;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1519",
  "rgb": {
    "r": 107,
    "g": 21,
    "b": 25
  },
  "hsl": {
    "h": 357.209,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34872,
    "c": 0.11923,
    "h": 23.8
  },
  "luminance": 0.03732
}

Semantic roles & 50–950 ramp

primary

#6B1519

secondary

#3AA29D

accent

#EAE23E

background

#FAF5F5

surface

#F4E9E8

border

#CEC5C4

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #6B1519

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

Preview Lab → · Contrast checker → · Palette generator →