#B04739#B04739

#B04739 is a mid, vivid red. Relative luminance 0.140; OKLCH L 53.6% C 0.140 H 30.0°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#B04739
RGB	rgb(176, 71, 57)
HSL	hsl(7, 51%, 46%)
HSV	hsv(7, 68%, 69%)
CMYK	cmyk(0%, 59.7%, 67.6%, 31%)
CIE-LAB	lab(44.28, 41.94, 30.10)
CIE-LCH	lch(44.28, 51.63, 35.66°)
OKLab	oklab(53.57% 0.1215 0.0701)
OKLCH	oklch(53.57% 0.14 30)
XYZ	xyz(20.8983, 14.0348, 5.4786)
Luminance	0.1403 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B04739 #39A2B0

analogous

#B03966 #B04739 #B08239

triadic

#B04739 #39B047 #4739B0

tetradic

#B04739 #66B039 #39A2B0 #8239B0

square

#B04739 #66B039 #39A2B0 #8239B0

split-complementary

#B04739 #39B082 #3966B0

monochromatic

#54221B #82342A #B04739 #CA695C #D9948A

Accessibility & contrast

On white

5.52

#B04739 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#B04739 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B04739

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B04739	#FFFFFF	#000000	##FFFFFF
##B04739	1.00	5.52	3.81	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635A37

Deuteranopia (green-blind)

#7D7136

Tritanopia (blue-blind)

#C13144

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b04739;
/* rgb */ color: rgb(176, 71, 57);
/* oklch */ color: oklch(53.6% 0.140 30.0);

Tailwind

colors: {
  custom: {
    50: '#ce7e70',
    500: '#b04739',
    950: '#000000',
  },
}

SCSS

$custom: #b04739;
$custom-light: #ce7e70;
$custom-dark: #000000;

JSON

{
  "hex": "#b04739",
  "rgb": {
    "r": 176,
    "g": 71,
    "b": 57
  },
  "hsl": {
    "h": 7.059,
    "s": 51.073,
    "l": 45.686
  },
  "oklch": {
    "l": 0.53566,
    "c": 0.14027,
    "h": 30
  },
  "luminance": 0.14032
}

Semantic roles & 50–950 ramp

primary

#B04739

secondary

#81BCC4

accent

#CADB4D

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B04739

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

Preview Lab → · Contrast checker → · Palette generator →