#902018#902018

#902018 is a dark, vivid red. Relative luminance 0.070; OKLCH L 43.0% C 0.149 H 29.0°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#902018
RGB	rgb(144, 32, 24)
HSL	hsl(4, 71%, 33%)
HSV	hsv(4, 83%, 56%)
CMYK	cmyk(0%, 77.8%, 83.3%, 43.5%)
CIE-LAB	lab(31.88, 45.75, 33.77)
CIE-LCH	lch(31.88, 56.86, 36.43°)
OKLab	oklab(43.03% 0.1303 0.0722)
OKLCH	oklch(43.03% 0.149 29)
XYZ	xyz(12.1845, 7.0302, 1.5794)
Luminance	0.0703 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#902018 #188890

analogous

#90184C #902018 #905C18

triadic

#902018 #189020 #201890

tetradic

#902018 #4C9018 #188890 #5C1890

square

#902018 #4C9018 #188890 #5C1890

split-complementary

#902018 #18905C #184C90

monochromatic

#270907 #5C140F #902018 #C42C21 #E04D43

Accessibility & contrast

On white

8.73

#902018 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#902018 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #902018

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##902018	#FFFFFF	#000000	##FFFFFF
##902018	1.00	8.73	2.41	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433B16

Deuteranopia (green-blind)

#5E5412

Tritanopia (blue-blind)

#9F0020

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #902018;
/* rgb */ color: rgb(144, 32, 24);
/* oklch */ color: oklch(43.0% 0.149 29.0);

Tailwind

colors: {
  custom: {
    50: '#b96556',
    500: '#902018',
    950: '#000000',
  },
}

SCSS

$custom: #902018;
$custom-light: #b96556;
$custom-dark: #000000;

JSON

{
  "hex": "#902018",
  "rgb": {
    "r": 144,
    "g": 32,
    "b": 24
  },
  "hsl": {
    "h": 4,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.43032,
    "c": 0.149,
    "h": 29
  },
  "luminance": 0.07028
}

Semantic roles & 50–950 ramp

primary

#902018

secondary

#43B8C0

accent

#E2EE3A

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #902018

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

Preview Lab → · Contrast checker → · Palette generator →