#903018#903018

#903018 is a dark, vivid red. Relative luminance 0.081; OKLCH L 44.8% C 0.135 H 35.0°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#903018
RGB	rgb(144, 48, 24)
HSL	hsl(12, 71%, 33%)
HSV	hsv(12, 83%, 56%)
CMYK	cmyk(0%, 66.7%, 83.3%, 43.5%)
CIE-LAB	lab(34.21, 39.35, 36.01)
CIE-LCH	lch(34.21, 53.34, 42.46°)
OKLab	oklab(44.78% 0.1104 0.0772)
OKLCH	oklch(44.78% 0.135 35)
XYZ	xyz(12.7249, 8.1110, 1.7595)
Luminance	0.0811 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#903018 #187890

analogous

#90183C #903018 #906C18

triadic

#903018 #189030 #301890

tetradic

#903018 #3C9018 #187890 #6C1890

square

#903018 #3C9018 #187890 #6C1890

split-complementary

#903018 #18906C #183C90

monochromatic

#270D07 #5C1F0F #903018 #C44121 #E06243

Accessibility & contrast

On white

8.01

#903018 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#903018 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #903018

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##903018	#FFFFFF	#000000	##FFFFFF
##903018	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4314

Deuteranopia (green-blind)

#635814

Tritanopia (blue-blind)

#9F142B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #903018;
/* rgb */ color: rgb(144, 48, 24);
/* oklch */ color: oklch(44.8% 0.135 35.0);

Tailwind

colors: {
  custom: {
    50: '#b86d57',
    500: '#903018',
    950: '#000000',
  },
}

SCSS

$custom: #903018;
$custom-light: #b86d57;
$custom-dark: #000000;

JSON

{
  "hex": "#903018",
  "rgb": {
    "r": 144,
    "g": 48,
    "b": 24
  },
  "hsl": {
    "h": 12,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.44783,
    "c": 0.13472,
    "h": 35
  },
  "luminance": 0.08109
}

Semantic roles & 50–950 ramp

primary

#903018

secondary

#43A7C0

accent

#CAEE3A

background

#FCF6F5

surface

#F8ECE9

border

#D1C7C5

text

#130703

muted

#827A78

Preview Lab

Preview with #903018

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

Preview Lab → · Contrast checker → · Palette generator →