#18100B#18100B

#18100B is a very dark, near-neutral orange. Relative luminance 0.006; OKLCH L 18.2% C 0.017 H 53.4°. Best body text is #FFFFFF at 18.79:1 contrast (WCAG AA passes).

Color values

HEX	#18100B
RGB	rgb(24, 16, 11)
HSL	hsl(23, 37%, 7%)
HSV	hsv(23, 54%, 9%)
CMYK	cmyk(0%, 33.3%, 54.2%, 90.6%)
CIE-LAB	lab(5.32, 2.56, 3.49)
CIE-LCH	lch(5.32, 4.33, 53.70°)
OKLab	oklab(18.18% 0.01 0.0135)
OKLCH	oklch(18.18% 0.017 53.4)
XYZ	xyz(0.6224, 0.5890, 0.3974)
Luminance	0.0059 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18100B #0B1318

analogous

#180B0D #18100B #18170B

triadic

#18100B #0B1810 #100B18

tetradic

#18100B #0D180B #0B1318 #170B18

square

#18100B #0D180B #0B1318 #170B18

split-complementary

#18100B #0B1817 #0B0D18

monochromatic

#150E0A #150E0A #18100B #422C1E #6C4831

Accessibility & contrast

On white

18.79

#18100B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#18100B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18100B

18.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18100B	#FFFFFF	#000000	##FFFFFF
##18100B	1.00	18.79	1.12	18.79
#FFFFFF	18.79	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12110B

Deuteranopia (green-blind)

#14120B

Tritanopia (blue-blind)

#1A0F0F

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #18100b;
/* rgb */ color: rgb(24, 16, 11);
/* oklch */ color: oklch(18.2% 0.017 53.4);

Tailwind

colors: {
  custom: {
    50: '#544e4c',
    500: '#18100b',
    950: '#000000',
  },
}

SCSS

$custom: #18100b;
$custom-light: #544e4c;
$custom-dark: #000000;

JSON

{
  "hex": "#18100b",
  "rgb": {
    "r": 24,
    "g": 16,
    "b": 11
  },
  "hsl": {
    "h": 23.077,
    "s": 37.143,
    "l": 6.863
  },
  "oklch": {
    "l": 0.18181,
    "c": 0.01675,
    "h": 53.4
  },
  "luminance": 0.00589
}

Semantic roles & 50–950 ramp

primary

#18100B

secondary

#2F4350

accent

#A1CD5B

background

#F4F4F4

surface

#E7E7E7

border

#C3C3C3

text

#020101

muted

#787777

Preview Lab

Preview with #18100B

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

Preview Lab → · Contrast checker → · Palette generator →