#230B0A#230B0A

#230B0A is a very dark, muted red. Relative luminance 0.006; OKLCH L 18.8% C 0.041 H 24.2°. Best body text is #FFFFFF at 18.69:1 contrast (WCAG AA passes).

Color values

HEX	#230B0A
RGB	rgb(35, 11, 10)
HSL	hsl(2, 56%, 9%)
HSV	hsv(2, 71%, 14%)
CMYK	cmyk(0%, 68.6%, 71.4%, 86.3%)
CIE-LAB	lab(5.59, 11.44, 4.47)
CIE-LCH	lch(5.59, 12.29, 21.36°)
OKLab	oklab(18.84% 0.0378 0.017)
OKLCH	oklch(18.84% 0.041 24.2)
XYZ	xyz(0.8677, 0.6187, 0.3608)
Luminance	0.0062 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#230B0A #0A2223

analogous

#230A16 #230B0A #23180A

triadic

#230B0A #0A230B #0B0A23

tetradic

#230B0A #16230A #0A2223 #180A23

square

#230B0A #16230A #0A2223 #180A23

split-complementary

#230B0A #0A2318 #0A1623

monochromatic

#180707 #180707 #230B0A #531A18 #822925

Accessibility & contrast

On white

18.69

#230B0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#230B0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #230B0A

18.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##230B0A	#FFFFFF	#000000	##FFFFFF
##230B0A	1.00	18.69	1.12	18.69
#FFFFFF	18.69	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#110F0A

Deuteranopia (green-blind)

#17140A

Tritanopia (blue-blind)

#27070B

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #230b0a;
/* rgb */ color: rgb(35, 11, 10);
/* oklch */ color: oklch(18.8% 0.041 24.2);

Tailwind

colors: {
  custom: {
    50: '#5e4b4b',
    500: '#230b0a',
    950: '#000000',
  },
}

SCSS

$custom: #230b0a;
$custom-light: #5e4b4b;
$custom-dark: #000000;

JSON

{
  "hex": "#230b0a",
  "rgb": {
    "r": 35,
    "g": 11,
    "b": 10
  },
  "hsl": {
    "h": 2.4,
    "s": 55.556,
    "l": 8.824
  },
  "oklch": {
    "l": 0.18844,
    "c": 0.04141,
    "h": 24.2
  },
  "luminance": 0.00619
}

Semantic roles & 50–950 ramp

primary

#230B0A

secondary

#2A5D5F

accent

#D9DF49

background

#F5F4F4

surface

#E9E7E7

border

#C5C3C3

text

#040101

muted

#797777

Preview Lab

Preview with #230B0A

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

Preview Lab → · Contrast checker → · Palette generator →