#B04537#B04537

#B04537 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.3% C 0.143 H 30.0°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#B04537
RGB	rgb(176, 69, 55)
HSL	hsl(7, 52%, 45%)
HSV	hsv(7, 69%, 69%)
CMYK	cmyk(0%, 60.8%, 68.8%, 31%)
CIE-LAB	lab(43.89, 42.78, 30.80)
CIE-LCH	lch(43.89, 52.71, 35.75°)
OKLab	oklab(53.26% 0.1237 0.0714)
OKLCH	oklch(53.26% 0.143 30)
XYZ	xyz(20.7243, 13.7650, 5.1793)
Luminance	0.1376 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B04537 #37A2B0

analogous

#B03766 #B04537 #B08137

triadic

#B04537 #37B045 #4537B0

tetradic

#B04537 #66B037 #37A2B0 #8137B0

square

#B04537 #66B037 #37A2B0 #8137B0

split-complementary

#B04537 #37B081 #3766B0

monochromatic

#53201A #813328 #B04537 #CB6659 #DA9188

Accessibility & contrast

On white

5.60

#B04537 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#B04537 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B04537

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B04537	#FFFFFF	#000000	##FFFFFF
##B04537	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625935

Deuteranopia (green-blind)

#7C7034

Tritanopia (blue-blind)

#C12E42

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b04537;
/* rgb */ color: rgb(176, 69, 55);
/* oklch */ color: oklch(53.3% 0.143 30.0);

Tailwind

colors: {
  custom: {
    50: '#ce7d6e',
    500: '#b04537',
    950: '#000000',
  },
}

SCSS

$custom: #b04537;
$custom-light: #ce7d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#b04537",
  "rgb": {
    "r": 176,
    "g": 69,
    "b": 55
  },
  "hsl": {
    "h": 6.942,
    "s": 52.381,
    "l": 45.294
  },
  "oklch": {
    "l": 0.53264,
    "c": 0.14281,
    "h": 30
  },
  "luminance": 0.13762
}

Semantic roles & 50–950 ramp

primary

#B04537

secondary

#7FBCC4

accent

#CBDC4C

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B04537

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

Preview Lab → · Contrast checker → · Palette generator →