#90451B#90451B

#90451B is a mid, moderate orange. Relative luminance 0.103; OKLCH L 47.9% C 0.115 H 46.6°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#90451B
RGB	rgb(144, 69, 27)
HSL	hsl(22, 68%, 34%)
HSV	hsv(22, 81%, 56%)
CMYK	cmyk(0%, 52.1%, 81.3%, 43.5%)
CIE-LAB	lab(38.32, 28.86, 38.44)
CIE-LCH	lch(38.32, 48.07, 53.11°)
OKLab	oklab(47.9% 0.0789 0.0835)
OKLCH	oklch(47.9% 0.115 46.6)
XYZ	xyz(13.8289, 10.2664, 2.2901)
Luminance	0.1027 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90451B #1B6690

analogous

#901B2C #90451B #907F1B

triadic

#90451B #1B9045 #451B90

tetradic

#90451B #2C901B #1B6690 #7F1B90

square

#90451B #2C901B #1B6690 #7F1B90

split-complementary

#90451B #1B907F #1B2C90

monochromatic

#291408 #5C2C11 #90451B #C45E25 #DD7E49

Accessibility & contrast

On white

6.88

#90451B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#90451B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #90451B

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90451B	#FFFFFF	#000000	##FFFFFF
##90451B	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5015

Deuteranopia (green-blind)

#6C6119

Tritanopia (blue-blind)

#9E353C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #90451b;
/* rgb */ color: rgb(144, 69, 27);
/* oklch */ color: oklch(47.9% 0.115 46.6);

Tailwind

colors: {
  custom: {
    50: '#b77a5a',
    500: '#90451b',
    950: '#000000',
  },
}

SCSS

$custom: #90451b;
$custom-light: #b77a5a;
$custom-dark: #000000;

JSON

{
  "hex": "#90451b",
  "rgb": {
    "r": 144,
    "g": 69,
    "b": 27
  },
  "hsl": {
    "h": 21.538,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.47903,
    "c": 0.11484,
    "h": 46.6
  },
  "luminance": 0.10265
}

Semantic roles & 50–950 ramp

primary

#90451B

secondary

#4894BF

accent

#ADEB3D

background

#FCF7F5

surface

#F8EDE9

border

#D1C8C5

text

#130904

muted

#827B79

Preview Lab

Preview with #90451B

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

Preview Lab → · Contrast checker → · Palette generator →