#B04531#B04531

#B04531 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.2% C 0.144 H 32.6°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#B04531
RGB	rgb(176, 69, 49)
HSL	hsl(9, 56%, 44%)
HSV	hsv(9, 72%, 69%)
CMYK	cmyk(0%, 60.8%, 72.2%, 31%)
CIE-LAB	lab(43.82, 42.46, 34.15)
CIE-LCH	lch(43.82, 54.49, 38.81°)
OKLab	oklab(53.18% 0.1215 0.0776)
OKLCH	oklch(53.18% 0.144 32.6)
XYZ	xyz(20.5891, 13.7109, 4.4674)
Luminance	0.1371 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B04531 #319CB0

analogous

#B0315D #B04531 #B08531

triadic

#B04531 #31B045 #4531B0

tetradic

#B04531 #5DB031 #319CB0 #8531B0

square

#B04531 #5DB031 #319CB0 #8531B0

split-complementary

#B04531 #31B085 #315DB0

monochromatic

#501F16 #803224 #B04531 #CE6450 #DC8E80

Accessibility & contrast

On white

5.61

#B04531 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#B04531 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B04531

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B04531	#FFFFFF	#000000	##FFFFFF
##B04531	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62592E

Deuteranopia (green-blind)

#7D702E

Tritanopia (blue-blind)

#C12D41

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b04531;
/* rgb */ color: rgb(176, 69, 49);
/* oklch */ color: oklch(53.2% 0.144 32.6);

Tailwind

colors: {
  custom: {
    50: '#cf7d6a',
    500: '#b04531',
    950: '#000000',
  },
}

SCSS

$custom: #b04531;
$custom-light: #cf7d6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b04531",
  "rgb": {
    "r": 176,
    "g": 69,
    "b": 49
  },
  "hsl": {
    "h": 9.449,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.5318,
    "c": 0.14419,
    "h": 32.6
  },
  "luminance": 0.13708
}

Semantic roles & 50–950 ramp

primary

#B04531

secondary

#78B9C5

accent

#C8E048

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150A06

muted

#837C7A

Preview Lab

Preview with #B04531

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

Preview Lab → · Contrast checker → · Palette generator →