#B53A38#B53A38

#B53A38 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.7% C 0.160 H 25.3°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#B53A38
RGB	rgb(181, 58, 56)
HSL	hsl(1, 53%, 46%)
HSV	hsv(1, 69%, 71%)
CMYK	cmyk(0%, 68%, 69.1%, 29%)
CIE-LAB	lab(42.97, 49.45, 29.32)
CIE-LCH	lch(42.97, 57.49, 30.66°)
OKLab	oklab(52.74% 0.1443 0.0681)
OKLCH	oklch(52.74% 0.16 25.3)
XYZ	xyz(21.2852, 13.1385, 5.1558)
Luminance	0.1313 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53A38 #38B3B5

analogous

#B53875 #B53A38 #B57938

triadic

#B53A38 #38B53A #3A38B5

tetradic

#B53A38 #75B538 #38B3B5 #7938B5

square

#B53A38 #75B538 #38B3B5 #7938B5

split-complementary

#B53A38 #38B579 #3875B5

monochromatic

#581C1B #862B2A #B53A38 #CD5F5D #DB8D8C

Accessibility & contrast

On white

5.79

#B53A38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B53A38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53A38

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53A38	#FFFFFF	#000000	##FFFFFF
##B53A38	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5537

Deuteranopia (green-blind)

#7B6F34

Tritanopia (blue-blind)

#C7183B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b53a38;
/* rgb */ color: rgb(181, 58, 56);
/* oklch */ color: oklch(52.7% 0.160 25.3);

Tailwind

colors: {
  custom: {
    50: '#d3776f',
    500: '#b53a38',
    950: '#000000',
  },
}

SCSS

$custom: #b53a38;
$custom-light: #d3776f;
$custom-dark: #000000;

JSON

{
  "hex": "#b53a38",
  "rgb": {
    "r": 181,
    "g": 58,
    "b": 56
  },
  "hsl": {
    "h": 0.96,
    "s": 52.743,
    "l": 46.471
  },
  "oklch": {
    "l": 0.5274,
    "c": 0.15951,
    "h": 25.3
  },
  "luminance": 0.13135
}

Semantic roles & 50–950 ramp

primary

#B53A38

secondary

#83C5C6

accent

#DADC4C

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B53A38

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

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