#2D010B#2D010B

#2D010B is a very dark, moderate red. Relative luminance 0.006; OKLCH L 19.2% C 0.074 H 12.1°. Best body text is #FFFFFF at 18.74:1 contrast (WCAG AA passes).

Color values

HEX	#2D010B
RGB	rgb(45, 1, 11)
HSL	hsl(346, 96%, 9%)
HSV	hsv(346, 98%, 18%)
CMYK	cmyk(0%, 97.8%, 75.6%, 82.4%)
CIE-LAB	lab(5.46, 22.43, 4.08)
CIE-LCH	lch(5.46, 22.80, 10.31°)
OKLab	oklab(19.16% 0.072 0.0154)
OKLCH	oklch(19.16% 0.074 12.1)
XYZ	xyz(1.1536, 0.6039, 0.3724)
Luminance	0.0060 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D010B #012D23

analogous

#2D0121 #2D010B #2D0D01

triadic

#2D010B #0B2D01 #010B2D

tetradic

#2D010B #212D01 #012D23 #0D012D

square

#2D010B #212D01 #012D23 #0D012D

split-complementary

#2D010B #012D0D #01212D

monochromatic

#1E0107 #1E0107 #2D010B #69021A #A50428

Accessibility & contrast

On white

18.74

#2D010B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#2D010B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D010B

18.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D010B	#FFFFFF	#000000	##FFFFFF
##2D010B	1.00	18.74	1.12	18.74
#FFFFFF	18.74	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C0C0B

Deuteranopia (green-blind)

#18150A

Tritanopia (blue-blind)

#320004

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #2d010b;
/* rgb */ color: rgb(45, 1, 11);
/* oklch */ color: oklch(19.2% 0.074 12.1);

Tailwind

colors: {
  custom: {
    50: '#69464c',
    500: '#2d010b',
    950: '#000000',
  },
}

SCSS

$custom: #2d010b;
$custom-light: #69464c;
$custom-dark: #000000;

JSON

{
  "hex": "#2d010b",
  "rgb": {
    "r": 45,
    "g": 1,
    "b": 11
  },
  "hsl": {
    "h": 346.364,
    "s": 95.652,
    "l": 9.02
  },
  "oklch": {
    "l": 0.19156,
    "c": 0.07362,
    "h": 12.1
  },
  "luminance": 0.00604
}

Semantic roles & 50–950 ramp

primary

#2D010B

secondary

#17735E

accent

#FFCE29

background

#F6F4F4

surface

#EBE6E7

border

#C6C2C3

text

#070001

muted

#7A7777

Preview Lab

Preview with #2D010B

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

Preview Lab → · Contrast checker → · Palette generator →