#230B09#230B09

#230B09 is a very dark, muted red. Relative luminance 0.006; OKLCH L 18.8% C 0.042 H 26.7°. Best body text is #FFFFFF at 18.70:1 contrast (WCAG AA passes).

Color values

HEX	#230B09
RGB	rgb(35, 11, 9)
HSL	hsl(5, 59%, 9%)
HSV	hsv(5, 74%, 14%)
CMYK	cmyk(0%, 68.6%, 74.3%, 86.3%)
CIE-LAB	lab(5.57, 11.31, 4.85)
CIE-LCH	lch(5.57, 12.31, 23.22°)
OKLab	oklab(18.82% 0.0372 0.0187)
OKLCH	oklch(18.82% 0.042 26.7)
XYZ	xyz(0.8622, 0.6165, 0.3320)
Luminance	0.0062 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#230B09 #092123

analogous

#230914 #230B09 #231809

triadic

#230B09 #09230B #0B0923

tetradic

#230B09 #142309 #092123 #180923

square

#230B09 #142309 #092123 #180923

split-complementary

#230B09 #092318 #091423

monochromatic

#180806 #180806 #230B09 #541A16 #842A22

Accessibility & contrast

On white

18.70

#230B09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#230B09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #230B09

18.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##230B09	#FFFFFF	#000000	##FFFFFF
##230B09	1.00	18.70	1.12	18.70
#FFFFFF	18.70	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#110F09

Deuteranopia (green-blind)

#171409

Tritanopia (blue-blind)

#27070B

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #230b09;
/* rgb */ color: rgb(35, 11, 9);
/* oklch */ color: oklch(18.8% 0.042 26.7);

Tailwind

colors: {
  custom: {
    50: '#5e4b4b',
    500: '#230b09',
    950: '#000000',
  },
}

SCSS

$custom: #230b09;
$custom-light: #5e4b4b;
$custom-dark: #000000;

JSON

{
  "hex": "#230b09",
  "rgb": {
    "r": 35,
    "g": 11,
    "b": 9
  },
  "hsl": {
    "h": 4.615,
    "s": 59.091,
    "l": 8.627
  },
  "oklch": {
    "l": 0.18817,
    "c": 0.04165,
    "h": 26.7
  },
  "luminance": 0.00616
}

Semantic roles & 50–950 ramp

primary

#230B09

secondary

#285C60

accent

#D6E246

background

#F5F4F4

surface

#E9E7E7

border

#C5C3C3

text

#040101

muted

#797777

Preview Lab

Preview with #230B09

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

Preview Lab → · Contrast checker → · Palette generator →