#2D100A#2D100A

#2D100A is a very dark, muted red. Relative luminance 0.009; OKLCH L 21.7% C 0.050 H 33.1°. Best body text is #FFFFFF at 17.65:1 contrast (WCAG AA passes).

Color values

HEX	#2D100A
RGB	rgb(45, 16, 10)
HSL	hsl(10, 64%, 11%)
HSV	hsv(10, 78%, 18%)
CMYK	cmyk(0%, 64.4%, 77.8%, 82.4%)
CIE-LAB	lab(8.57, 14.34, 9.05)
CIE-LCH	lch(8.57, 16.96, 32.24°)
OKLab	oklab(21.73% 0.0415 0.0271)
OKLCH	oklch(21.73% 0.05 33.1)
XYZ	xyz(1.3224, 0.9505, 0.4009)
Luminance	0.0095 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D100A #0A272D

analogous

#2D0A15 #2D100A #2D210A

triadic

#2D100A #0A2D10 #100A2D

tetradic

#2D100A #152D0A #0A272D #210A2D

square

#2D100A #152D0A #0A272D #210A2D

split-complementary

#2D100A #0A2D21 #0A152D

monochromatic

#190906 #190906 #2D100A #5F2215 #913420

Accessibility & contrast

On white

17.65

#2D100A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#2D100A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D100A

17.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D100A	#FFFFFF	#000000	##FFFFFF
##2D100A	1.00	17.65	1.19	17.65
#FFFFFF	17.65	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171509

Deuteranopia (green-blind)

#1F1B09

Tritanopia (blue-blind)

#320B0F

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #2d100a;
/* rgb */ color: rgb(45, 16, 10);
/* oklch */ color: oklch(21.7% 0.050 33.1);

Tailwind

colors: {
  custom: {
    50: '#684f4b',
    500: '#2d100a',
    950: '#000000',
  },
}

SCSS

$custom: #2d100a;
$custom-light: #684f4b;
$custom-dark: #000000;

JSON

{
  "hex": "#2d100a",
  "rgb": {
    "r": 45,
    "g": 16,
    "b": 10
  },
  "hsl": {
    "h": 10.286,
    "s": 63.636,
    "l": 10.784
  },
  "oklch": {
    "l": 0.21727,
    "c": 0.04962,
    "h": 33.1
  },
  "luminance": 0.0095
}

Semantic roles & 50–950 ramp

primary

#2D100A

secondary

#295F6A

accent

#CAE741

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#060201

muted

#7A7877

Preview Lab

Preview with #2D100A

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

Preview Lab → · Contrast checker → · Palette generator →