#B53A2E#B53A2E

#B53A2E is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.6% C 0.161 H 29.2°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B53A2E
RGB	rgb(181, 58, 46)
HSL	hsl(5, 59%, 45%)
HSV	hsv(5, 75%, 71%)
CMYK	cmyk(0%, 68%, 74.6%, 29%)
CIE-LAB	lab(42.84, 48.97, 34.99)
CIE-LCH	lch(42.84, 60.18, 35.55°)
OKLab	oklab(52.6% 0.1407 0.0785)
OKLCH	oklch(52.6% 0.161 29.2)
XYZ	xyz(21.0646, 13.0502, 3.9940)
Luminance	0.1305 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53A2E #2EA9B5

analogous

#B52E66 #B53A2E #B57D2E

triadic

#B53A2E #2EB53A #3A2EB5

tetradic

#B53A2E #66B52E #2EA9B5 #7D2EB5

square

#B53A2E #66B52E #2EA9B5 #7D2EB5

split-complementary

#B53A2E #2EB57D #2E66B5

monochromatic

#531B15 #842A22 #B53A2E #D25A4E #DE877F

Accessibility & contrast

On white

5.82

#B53A2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B53A2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53A2E

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53A2E	#FFFFFF	#000000	##FFFFFF
##B53A2E	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D542C

Deuteranopia (green-blind)

#7C6F2A

Tritanopia (blue-blind)

#C71438

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b53a2e;
/* rgb */ color: rgb(181, 58, 46);
/* oklch */ color: oklch(52.6% 0.161 29.2);

Tailwind

colors: {
  custom: {
    50: '#d37767',
    500: '#b53a2e',
    950: '#000000',
  },
}

SCSS

$custom: #b53a2e;
$custom-light: #d37767;
$custom-dark: #000000;

JSON

{
  "hex": "#b53a2e",
  "rgb": {
    "r": 181,
    "g": 58,
    "b": 46
  },
  "hsl": {
    "h": 5.333,
    "s": 59.471,
    "l": 44.51
  },
  "oklch": {
    "l": 0.52599,
    "c": 0.16109,
    "h": 29.2
  },
  "luminance": 0.13047
}

Semantic roles & 50–950 ramp

primary

#B53A2E

secondary

#78C0C7

accent

#D5E345

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53A2E

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

Preview Lab → · Contrast checker → · Palette generator →