#B54031#B54031

#B54031 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.3% C 0.155 H 30.2°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#B54031
RGB	rgb(181, 64, 49)
HSL	hsl(7, 57%, 45%)
HSV	hsv(7, 73%, 71%)
CMYK	cmyk(0%, 64.6%, 72.9%, 29%)
CIE-LAB	lab(43.82, 46.54, 34.39)
CIE-LCH	lch(43.82, 57.87, 36.46°)
OKLab	oklab(53.35% 0.1337 0.0779)
OKLCH	oklch(53.35% 0.155 30.2)
XYZ	xyz(21.4461, 13.7153, 4.4232)
Luminance	0.1371 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B54031 #31A6B5

analogous

#B53164 #B54031 #B58231

triadic

#B54031 #31B540 #4031B5

tetradic

#B54031 #64B531 #31A6B5 #8231B5

square

#B54031 #64B531 #31A6B5 #8231B5

split-complementary

#B54031 #31B582 #3164B5

monochromatic

#551E17 #852F24 #B54031 #D06153 #DD8D83

Accessibility & contrast

On white

5.61

#B54031 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#B54031 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B54031

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B54031	#FFFFFF	#000000	##FFFFFF
##B54031	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)

#60572F

Deuteranopia (green-blind)

#7E712D

Tritanopia (blue-blind)

#C7223D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b54031;
/* rgb */ color: rgb(181, 64, 49);
/* oklch */ color: oklch(53.3% 0.155 30.2);

Tailwind

colors: {
  custom: {
    50: '#d37a6a',
    500: '#b54031',
    950: '#000000',
  },
}

SCSS

$custom: #b54031;
$custom-light: #d37a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b54031",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 49
  },
  "hsl": {
    "h": 6.818,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53348,
    "c": 0.15472,
    "h": 30.2
  },
  "luminance": 0.13712
}

Semantic roles & 50–950 ramp

primary

#B54031

secondary

#7BBEC7

accent

#CFE147

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #B54031

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

Preview Lab → · Contrast checker → · Palette generator →