#2D100B#2D100B

#2D100B is a very dark, muted red. Relative luminance 0.010; OKLCH L 21.7% C 0.049 H 31.4°. Best body text is #FFFFFF at 17.64:1 contrast (WCAG AA passes).

Color values

HEX	#2D100B
RGB	rgb(45, 16, 11)
HSL	hsl(9, 61%, 11%)
HSV	hsv(9, 76%, 18%)
CMYK	cmyk(0%, 64.4%, 75.6%, 82.4%)
CIE-LAB	lab(8.59, 14.43, 8.66)
CIE-LCH	lch(8.59, 16.82, 30.96°)
OKLab	oklab(21.75% 0.042 0.0257)
OKLCH	oklch(21.75% 0.049 31.4)
XYZ	xyz(1.3280, 0.9528, 0.4305)
Luminance	0.0095 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D100B #0B282D

analogous

#2D0B17 #2D100B #2D210B

triadic

#2D100B #0B2D10 #100B2D

tetradic

#2D100B #172D0B #0B282D #210B2D

square

#2D100B #172D0B #0B282D #210B2D

split-complementary

#2D100B #0B2D21 #0B172D

monochromatic

#190906 #190906 #2D100B #5E2117 #8F3323

Accessibility & contrast

On white

17.64

#2D100B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#2D100B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D100B

17.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D100B	#FFFFFF	#000000	##FFFFFF
##2D100B	1.00	17.64	1.19	17.64
#FFFFFF	17.64	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17150A

Deuteranopia (green-blind)

#1E1B0A

Tritanopia (blue-blind)

#320B0F

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #2d100b;
/* rgb */ color: rgb(45, 16, 11);
/* oklch */ color: oklch(21.7% 0.049 31.4);

Tailwind

colors: {
  custom: {
    50: '#684f4b',
    500: '#2d100b',
    950: '#000000',
  },
}

SCSS

$custom: #2d100b;
$custom-light: #684f4b;
$custom-dark: #000000;

JSON

{
  "hex": "#2d100b",
  "rgb": {
    "r": 45,
    "g": 16,
    "b": 11
  },
  "hsl": {
    "h": 8.824,
    "s": 60.714,
    "l": 10.98
  },
  "oklch": {
    "l": 0.21747,
    "c": 0.04926,
    "h": 31.4
  },
  "luminance": 0.00953
}

Semantic roles & 50–950 ramp

primary

#2D100B

secondary

#2A6069

accent

#CCE444

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#060201

muted

#7A7877

Preview Lab

Preview with #2D100B

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

Preview Lab → · Contrast checker → · Palette generator →