#B24037#B24037

#B24037 is a mid, vivid red. Relative luminance 0.134; OKLCH L 52.9% C 0.150 H 27.8°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#B24037
RGB	rgb(178, 64, 55)
HSL	hsl(4, 53%, 46%)
HSV	hsv(4, 69%, 70%)
CMYK	cmyk(0%, 64%, 69.1%, 30.2%)
CIE-LAB	lab(43.38, 45.79, 30.27)
CIE-LCH	lch(43.38, 54.89, 33.46°)
OKLab	oklab(52.94% 0.1329 0.0701)
OKLCH	oklch(52.94% 0.15 27.8)
XYZ	xyz(20.8852, 13.4105, 5.1024)
Luminance	0.1341 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B24037 #37A9B2

analogous

#B2376B #B24037 #B27D37

triadic

#B24037 #37B240 #4037B2

tetradic

#B24037 #6BB237 #37A9B2 #7D37B2

square

#B24037 #6BB237 #37A9B2 #7D37B2

split-complementary

#B24037 #37B27D #376BB2

monochromatic

#541E1A #832F29 #B24037 #CC625A #DB8F89

Accessibility & contrast

On white

5.70

#B24037 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#B24037 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B24037

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B24037	#FFFFFF	#000000	##FFFFFF
##B24037	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5735

Deuteranopia (green-blind)

#7B7034

Tritanopia (blue-blind)

#C3253F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b24037;
/* rgb */ color: rgb(178, 64, 55);
/* oklch */ color: oklch(52.9% 0.150 27.8);

Tailwind

colors: {
  custom: {
    50: '#d07a6e',
    500: '#b24037',
    950: '#000000',
  },
}

SCSS

$custom: #b24037;
$custom-light: #d07a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#b24037",
  "rgb": {
    "r": 178,
    "g": 64,
    "b": 55
  },
  "hsl": {
    "h": 4.39,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52939,
    "c": 0.15026,
    "h": 27.8
  },
  "luminance": 0.13408
}

Semantic roles & 50–950 ramp

primary

#B24037

secondary

#80C0C5

accent

#D2DC4C

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B24037

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

Preview Lab → · Contrast checker → · Palette generator →