#B04737#B04737

#B04737 is a mid, vivid red. Relative luminance 0.140; OKLCH L 53.5% C 0.141 H 30.9°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#B04737
RGB	rgb(176, 71, 55)
HSL	hsl(8, 52%, 45%)
HSV	hsv(8, 69%, 69%)
CMYK	cmyk(0%, 59.7%, 68.8%, 31%)
CIE-LAB	lab(44.25, 41.83, 31.23)
CIE-LCH	lch(44.25, 52.20, 36.74°)
OKLab	oklab(53.54% 0.1207 0.0723)
OKLCH	oklch(53.54% 0.141 30.9)
XYZ	xyz(20.8494, 14.0152, 5.2210)
Luminance	0.1401 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B04737 #37A0B0

analogous

#B03763 #B04737 #B08337

triadic

#B04737 #37B047 #4737B0

tetradic

#B04737 #63B037 #37A0B0 #8337B0

square

#B04737 #63B037 #37A0B0 #8337B0

split-complementary

#B04737 #37B083 #3763B0

monochromatic

#53211A #813428 #B04737 #CB6859 #DA9388

Accessibility & contrast

On white

5.52

#B04737 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#B04737 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B04737

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B04737	#FFFFFF	#000000	##FFFFFF
##B04737	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635A35

Deuteranopia (green-blind)

#7D7134

Tritanopia (blue-blind)

#C13144

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b04737;
/* rgb */ color: rgb(176, 71, 55);
/* oklch */ color: oklch(53.5% 0.141 30.9);

Tailwind

colors: {
  custom: {
    50: '#ce7e6e',
    500: '#b04737',
    950: '#000000',
  },
}

SCSS

$custom: #b04737;
$custom-light: #ce7e6e;
$custom-dark: #000000;

JSON

{
  "hex": "#b04737",
  "rgb": {
    "r": 176,
    "g": 71,
    "b": 55
  },
  "hsl": {
    "h": 7.934,
    "s": 52.381,
    "l": 45.294
  },
  "oklch": {
    "l": 0.53536,
    "c": 0.14073,
    "h": 30.9
  },
  "luminance": 0.14012
}

Semantic roles & 50–950 ramp

primary

#B04737

secondary

#7FBBC4

accent

#C9DC4C

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B04737

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

Preview Lab → · Contrast checker → · Palette generator →