#90521B#90521B

#90521B is a mid, moderate orange. Relative luminance 0.120; OKLCH L 50.2% C 0.106 H 57.5°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#90521B
RGB	rgb(144, 82, 27)
HSL	hsl(28, 68%, 34%)
HSV	hsv(28, 81%, 56%)
CMYK	cmyk(0%, 43.1%, 81.3%, 43.5%)
CIE-LAB	lab(41.29, 21.57, 41.28)
CIE-LCH	lch(41.29, 46.57, 62.41°)
OKLab	oklab(50.18% 0.057 0.0896)
OKLCH	oklch(50.18% 0.106 57.5)
XYZ	xyz(14.7180, 12.0446, 2.5865)
Luminance	0.1204 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90521B #1B5990

analogous

#901B1E #90521B #908C1B

triadic

#90521B #1B9052 #521B90

tetradic

#90521B #1E901B #1B5990 #8C1B90

square

#90521B #1E901B #1B5990 #8C1B90

split-complementary

#90521B #1B908C #1B1E90

monochromatic

#291708 #5C3511 #90521B #C46F25 #DD8E49

Accessibility & contrast

On white

6.16

#90521B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#90521B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #90521B

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90521B	#FFFFFF	#000000	##FFFFFF
##90521B	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655913

Deuteranopia (green-blind)

#73671B

Tritanopia (blue-blind)

#9E4447

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #90521b;
/* rgb */ color: rgb(144, 82, 27);
/* oklch */ color: oklch(50.2% 0.106 57.5);

Tailwind

colors: {
  custom: {
    50: '#b6835c',
    500: '#90521b',
    950: '#000000',
  },
}

SCSS

$custom: #90521b;
$custom-light: #b6835c;
$custom-dark: #000000;

JSON

{
  "hex": "#90521b",
  "rgb": {
    "r": 144,
    "g": 82,
    "b": 27
  },
  "hsl": {
    "h": 28.205,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.50183,
    "c": 0.10622,
    "h": 57.5
  },
  "luminance": 0.12043
}

Semantic roles & 50–950 ramp

primary

#90521B

secondary

#4887BF

accent

#99EB3D

background

#FBF8F5

surface

#F7EFE9

border

#D0CAC5

text

#120A04

muted

#817C79

Preview Lab

Preview with #90521B

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

Preview Lab → · Contrast checker → · Palette generator →