#B54133#B54133

#B54133 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.5% C 0.153 H 29.8°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#B54133
RGB	rgb(181, 65, 51)
HSL	hsl(6, 56%, 45%)
HSV	hsv(6, 72%, 71%)
CMYK	cmyk(0%, 64.1%, 71.8%, 29%)
CIE-LAB	lab(44.01, 46.20, 33.46)
CIE-LCH	lch(44.01, 57.04, 35.92°)
OKLab	oklab(53.5% 0.133 0.0763)
OKLCH	oklch(53.5% 0.153 29.8)
XYZ	xyz(21.5462, 13.8464, 4.6694)
Luminance	0.1384 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B54133 #33A7B5

analogous

#B53366 #B54133 #B58233

triadic

#B54133 #33B541 #4133B5

tetradic

#B54133 #66B533 #33A7B5 #8233B5

square

#B54133 #66B533 #33A7B5 #8233B5

split-complementary

#B54133 #33B582 #3366B5

monochromatic

#561F18 #853026 #B54133 #CF6356 #DD8F86

Accessibility & contrast

On white

5.57

#B54133 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#B54133 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B54133

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B54133	#FFFFFF	#000000	##FFFFFF
##B54133	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615831

Deuteranopia (green-blind)

#7E712F

Tritanopia (blue-blind)

#C7243E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b54133;
/* rgb */ color: rgb(181, 65, 51);
/* oklch */ color: oklch(53.5% 0.153 29.8);

Tailwind

colors: {
  custom: {
    50: '#d37b6b',
    500: '#b54133',
    950: '#000000',
  },
}

SCSS

$custom: #b54133;
$custom-light: #d37b6b;
$custom-dark: #000000;

JSON

{
  "hex": "#b54133",
  "rgb": {
    "r": 181,
    "g": 65,
    "b": 51
  },
  "hsl": {
    "h": 6.462,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.53499,
    "c": 0.15332,
    "h": 29.8
  },
  "luminance": 0.13843
}

Semantic roles & 50–950 ramp

primary

#B54133

secondary

#7DBFC6

accent

#CFDF48

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150A06

muted

#837C7A

Preview Lab

Preview with #B54133

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

Preview Lab → · Contrast checker → · Palette generator →