#90511B#90511B

#90511B is a mid, moderate orange. Relative luminance 0.119; OKLCH L 50.0% C 0.107 H 56.6°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#90511B
RGB	rgb(144, 81, 27)
HSL	hsl(28, 68%, 34%)
HSV	hsv(28, 81%, 56%)
CMYK	cmyk(0%, 43.8%, 81.3%, 43.5%)
CIE-LAB	lab(41.05, 22.14, 41.05)
CIE-LCH	lch(41.05, 46.64, 61.66°)
OKLab	oklab(50% 0.0587 0.0891)
OKLCH	oklch(50% 0.107 56.6)
XYZ	xyz(14.6432, 11.8949, 2.5615)
Luminance	0.1189 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90511B #1B5A90

analogous

#901B20 #90511B #908B1B

triadic

#90511B #1B9051 #511B90

tetradic

#90511B #20901B #1B5A90 #8B1B90

square

#90511B #20901B #1B5A90 #8B1B90

split-complementary

#90511B #1B908B #1B2090

monochromatic

#291708 #5C3411 #90511B #C46E25 #DD8D49

Accessibility & contrast

On white

6.22

#90511B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#90511B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #90511B

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90511B	#FFFFFF	#000000	##FFFFFF
##90511B	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645813

Deuteranopia (green-blind)

#73661B

Tritanopia (blue-blind)

#9E4346

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #90511b;
/* rgb */ color: rgb(144, 81, 27);
/* oklch */ color: oklch(50.0% 0.107 56.6);

Tailwind

colors: {
  custom: {
    50: '#b6825c',
    500: '#90511b',
    950: '#000000',
  },
}

SCSS

$custom: #90511b;
$custom-light: #b6825c;
$custom-dark: #000000;

JSON

{
  "hex": "#90511b",
  "rgb": {
    "r": 144,
    "g": 81,
    "b": 27
  },
  "hsl": {
    "h": 27.692,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.49999,
    "c": 0.10674,
    "h": 56.6
  },
  "luminance": 0.11893
}

Semantic roles & 50–950 ramp

primary

#90511B

secondary

#4888BF

accent

#9BEB3D

background

#FBF8F5

surface

#F7EFE9

border

#D0CAC5

text

#120A04

muted

#817C79

Preview Lab

Preview with #90511B

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

Preview Lab → · Contrast checker → · Palette generator →