#90351B#90351B

#90351B is a mid, vivid red. Relative luminance 0.086; OKLCH L 45.5% C 0.129 H 36.4°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#90351B
RGB	rgb(144, 53, 27)
HSL	hsl(13, 68%, 34%)
HSV	hsv(13, 81%, 56%)
CMYK	cmyk(0%, 63.2%, 81.3%, 43.5%)
CIE-LAB	lab(35.12, 37.12, 35.32)
CIE-LCH	lch(35.12, 51.23, 43.58°)
OKLab	oklab(45.47% 0.1041 0.0767)
OKLCH	oklch(45.47% 0.129 36.4)
XYZ	xyz(12.9740, 8.5565, 2.0051)
Luminance	0.0856 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90351B #1B7690

analogous

#901B3B #90351B #906F1B

triadic

#90351B #1B9035 #351B90

tetradic

#90351B #3B901B #1B7690 #6F1B90

square

#90351B #3B901B #1B7690 #6F1B90

split-complementary

#90351B #1B906F #1B3B90

monochromatic

#290F08 #5C2211 #90351B #C44825 #DD6A49

Accessibility & contrast

On white

7.75

#90351B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#90351B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90351B

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90351B	#FFFFFF	#000000	##FFFFFF
##90351B	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4617

Deuteranopia (green-blind)

#655A18

Tritanopia (blue-blind)

#9F1E30

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #90351b;
/* rgb */ color: rgb(144, 53, 27);
/* oklch */ color: oklch(45.5% 0.129 36.4);

Tailwind

colors: {
  custom: {
    50: '#b87059',
    500: '#90351b',
    950: '#000000',
  },
}

SCSS

$custom: #90351b;
$custom-light: #b87059;
$custom-dark: #000000;

JSON

{
  "hex": "#90351b",
  "rgb": {
    "r": 144,
    "g": 53,
    "b": 27
  },
  "hsl": {
    "h": 13.333,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.45472,
    "c": 0.12927,
    "h": 36.4
  },
  "luminance": 0.08555
}

Semantic roles & 50–950 ramp

primary

#90351B

secondary

#48A4BF

accent

#C4EB3D

background

#FCF6F5

surface

#F8ECE9

border

#D1C7C5

text

#130803

muted

#827B78

Preview Lab

Preview with #90351B

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

Preview Lab → · Contrast checker → · Palette generator →