#903440#903440

#903440 is a mid, vivid red. Relative luminance 0.088; OKLCH L 46.0% C 0.124 H 15.7°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#903440
RGB	rgb(144, 52, 64)
HSL	hsl(352, 47%, 38%)
HSV	hsv(352, 64%, 56%)
CMYK	cmyk(0%, 63.9%, 55.6%, 43.5%)
CIE-LAB	lab(35.51, 39.84, 13.47)
CIE-LCH	lch(35.51, 42.06, 18.68°)
OKLab	oklab(45.96% 0.1198 0.0337)
OKLCH	oklch(45.96% 0.124 15.7)
XYZ	xyz(13.6562, 8.7572, 5.8207)
Luminance	0.0876 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#903440 #349084

analogous

#90346E #903440 #905634

triadic

#903440 #409034 #344090

tetradic

#903440 #6E9034 #349084 #563490

square

#903440 #6E9034 #349084 #563490

split-complementary

#903440 #349056 #346E90

monochromatic

#361418 #63242C #903440 #BC4555 #CC727E

Accessibility & contrast

On white

7.63

#903440 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#903440 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #903440

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##903440	#FFFFFF	#000000	##FFFFFF
##903440	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4840

Deuteranopia (green-blind)

#615B3E

Tritanopia (blue-blind)

#9D2439

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #903440;
/* rgb */ color: rgb(144, 52, 64);
/* oklch */ color: oklch(46.0% 0.124 15.7);

Tailwind

colors: {
  custom: {
    50: '#b57074',
    500: '#903440',
    950: '#000000',
  },
}

SCSS

$custom: #903440;
$custom-light: #b57074;
$custom-dark: #000000;

JSON

{
  "hex": "#903440",
  "rgb": {
    "r": 144,
    "g": 52,
    "b": 64
  },
  "hsl": {
    "h": 352.174,
    "s": 46.939,
    "l": 38.431
  },
  "oklch": {
    "l": 0.45955,
    "c": 0.1244,
    "h": 15.7
  },
  "luminance": 0.08755
}

Semantic roles & 50–950 ramp

primary

#903440

secondary

#6BB4AB

accent

#D7C551

background

#FBF7F7

surface

#F6EDED

border

#D0C8C8

text

#120808

muted

#817B7B

Preview Lab

Preview with #903440

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

Preview Lab → · Contrast checker → · Palette generator →