#903F2B#903F2B

#903F2B is a mid, moderate red. Relative luminance 0.097; OKLCH L 47.1% C 0.115 H 35.1°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#903F2B
RGB	rgb(144, 63, 43)
HSL	hsl(12, 54%, 37%)
HSV	hsv(12, 70%, 56%)
CMYK	cmyk(0%, 56.3%, 70.1%, 43.5%)
CIE-LAB	lab(37.23, 32.84, 28.62)
CIE-LCH	lch(37.23, 43.56, 41.07°)
OKLab	oklab(47.13% 0.094 0.066)
OKLCH	oklch(47.13% 0.115 35.1)
XYZ	xyz(13.7165, 9.6605, 3.4274)
Luminance	0.0966 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#903F2B #2B7C90

analogous

#902B4A #903F2B #90722B

triadic

#903F2B #2B903F #3F2B90

tetradic

#903F2B #4A902B #2B7C90 #722B90

square

#903F2B #4A902B #2B7C90 #722B90

split-complementary

#903F2B #2B9072 #2B4A90

monochromatic

#32160F #612A1D #903F2B #BF5439 #D17A65

Accessibility & contrast

On white

7.16

#903F2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#903F2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #903F2B

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##903F2B	#FFFFFF	#000000	##FFFFFF
##903F2B	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D29

Deuteranopia (green-blind)

#685E29

Tritanopia (blue-blind)

#9E2F3B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #903f2b;
/* rgb */ color: rgb(144, 63, 43);
/* oklch */ color: oklch(47.1% 0.115 35.1);

Tailwind

colors: {
  custom: {
    50: '#b67665',
    500: '#903f2b',
    950: '#000000',
  },
}

SCSS

$custom: #903f2b;
$custom-light: #b67665;
$custom-dark: #000000;

JSON

{
  "hex": "#903f2b",
  "rgb": {
    "r": 144,
    "g": 63,
    "b": 43
  },
  "hsl": {
    "h": 11.881,
    "s": 54.011,
    "l": 36.667
  },
  "oklch": {
    "l": 0.47127,
    "c": 0.11486,
    "h": 35.1
  },
  "luminance": 0.09659
}

Semantic roles & 50–950 ramp

primary

#903F2B

secondary

#60A6B7

accent

#C0DD4A

background

#FBF7F6

surface

#F7EDEB

border

#D0C8C6

text

#120905

muted

#817B7A

Preview Lab

Preview with #903F2B

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

Preview Lab → · Contrast checker → · Palette generator →