#21100A#21100A

#21100A is a very dark, muted orange. Relative luminance 0.007; OKLCH L 19.6% C 0.031 H 40.1°. Best body text is #FFFFFF at 18.37:1 contrast (WCAG AA passes).

Color values

HEX	#21100A
RGB	rgb(33, 16, 10)
HSL	hsl(16, 53%, 8%)
HSV	hsv(16, 70%, 13%)
CMYK	cmyk(0%, 51.5%, 69.7%, 87.1%)
CIE-LAB	lab(6.47, 7.64, 5.72)
CIE-LCH	lch(6.47, 9.55, 36.81°)
OKLab	oklab(19.58% 0.0239 0.0201)
OKLCH	oklch(19.58% 0.031 40.1)
XYZ	xyz(0.8673, 0.7159, 0.3796)
Luminance	0.0072 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21100A #0A1B21

analogous

#210A0F #21100A #211B0A

triadic

#21100A #0A2110 #100A21

tetradic

#21100A #0F210A #0A1B21 #1B0A21

square

#21100A #0F210A #0A1B21 #1B0A21

split-complementary

#21100A #0A211B #0A0F21

monochromatic

#170B07 #170B07 #21100A #502718 #7F3E26

Accessibility & contrast

On white

18.37

#21100A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#21100A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21100A

18.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21100A	#FFFFFF	#000000	##FFFFFF
##21100A	1.00	18.37	1.14	18.37
#FFFFFF	18.37	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14120A

Deuteranopia (green-blind)

#18160A

Tritanopia (blue-blind)

#250D0E

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #21100a;
/* rgb */ color: rgb(33, 16, 10);
/* oklch */ color: oklch(19.6% 0.031 40.1);

Tailwind

colors: {
  custom: {
    50: '#5c4e4b',
    500: '#21100a',
    950: '#000000',
  },
}

SCSS

$custom: #21100a;
$custom-light: #5c4e4b;
$custom-dark: #000000;

JSON

{
  "hex": "#21100a",
  "rgb": {
    "r": 33,
    "g": 16,
    "b": 10
  },
  "hsl": {
    "h": 15.652,
    "s": 53.488,
    "l": 8.431
  },
  "oklch": {
    "l": 0.19578,
    "c": 0.03119,
    "h": 40.1
  },
  "luminance": 0.00716
}

Semantic roles & 50–950 ramp

primary

#21100A

secondary

#2A4F5D

accent

#B7DD4B

background

#F5F4F4

surface

#E9E7E7

border

#C5C3C3

text

#040101

muted

#797777

Preview Lab

Preview with #21100A

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

Preview Lab → · Contrast checker → · Palette generator →