#B53B3E#B53B3E

#B53B3E is a mid, vivid red. Relative luminance 0.133; OKLCH L 53.0% C 0.158 H 23.0°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#B53B3E
RGB	rgb(181, 59, 62)
HSL	hsl(359, 51%, 47%)
HSV	hsv(359, 67%, 71%)
CMYK	cmyk(0%, 67.4%, 65.7%, 29%)
CIE-LAB	lab(43.22, 49.37, 26.02)
CIE-LCH	lch(43.22, 55.81, 27.79°)
OKLab	oklab(52.95% 0.1453 0.0616)
OKLCH	oklch(52.95% 0.158 23)
XYZ	xyz(21.4917, 13.3025, 5.9924)
Luminance	0.1330 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53B3E #3BB5B2

analogous

#B53B7B #B53B3E #B5753B

triadic

#B53B3E #3EB53B #3B3EB5

tetradic

#B53B3E #7BB53B #3BB5B2 #753BB5

square

#B53B3E #7BB53B #3BB5B2 #753BB5

split-complementary

#B53B3E #3BB575 #3B7BB5

monochromatic

#591D1E #872C2E #B53B3E #CC6264 #DB9092

Accessibility & contrast

On white

5.74

#B53B3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B53B3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53B3E

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53B3E	#FFFFFF	#000000	##FFFFFF
##B53B3E	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C563D

Deuteranopia (green-blind)

#7B703B

Tritanopia (blue-blind)

#C71C3D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b53b3e;
/* rgb */ color: rgb(181, 59, 62);
/* oklch */ color: oklch(53.0% 0.158 23.0);

Tailwind

colors: {
  custom: {
    50: '#d27873',
    500: '#b53b3e',
    950: '#000000',
  },
}

SCSS

$custom: #b53b3e;
$custom-light: #d27873;
$custom-dark: #000000;

JSON

{
  "hex": "#b53b3e",
  "rgb": {
    "r": 181,
    "g": 59,
    "b": 62
  },
  "hsl": {
    "h": 358.525,
    "s": 50.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.52953,
    "c": 0.15776,
    "h": 23
  },
  "luminance": 0.13299
}

Semantic roles & 50–950 ramp

primary

#B53B3E

secondary

#86C6C4

accent

#DAD74D

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #B53B3E

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

Preview Lab → · Contrast checker → · Palette generator →