#B53B38#B53B38

#B53B38 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.9% C 0.159 H 25.6°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B53B38
RGB	rgb(181, 59, 56)
HSL	hsl(1, 53%, 46%)
HSV	hsv(1, 69%, 71%)
CMYK	cmyk(0%, 67.4%, 69.1%, 29%)
CIE-LAB	lab(43.12, 49.03, 29.50)
CIE-LCH	lch(43.12, 57.22, 31.03°)
OKLab	oklab(52.85% 0.143 0.0685)
OKLCH	oklch(52.85% 0.159 25.6)
XYZ	xyz(21.3361, 13.2403, 5.1728)
Luminance	0.1324 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53B38 #38B2B5

analogous

#B53874 #B53B38 #B57A38

triadic

#B53B38 #38B53B #3B38B5

tetradic

#B53B38 #74B538 #38B2B5 #7A38B5

square

#B53B38 #74B538 #38B2B5 #7A38B5

split-complementary

#B53B38 #38B57A #3874B5

monochromatic

#581D1B #862C2A #B53B38 #CD605D #DB8E8C

Accessibility & contrast

On white

5.76

#B53B38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B53B38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53B38

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53B38	#FFFFFF	#000000	##FFFFFF
##B53B38	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5537

Deuteranopia (green-blind)

#7B7034

Tritanopia (blue-blind)

#C71A3B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b53b38;
/* rgb */ color: rgb(181, 59, 56);
/* oklch */ color: oklch(52.9% 0.159 25.6);

Tailwind

colors: {
  custom: {
    50: '#d3786f',
    500: '#b53b38',
    950: '#000000',
  },
}

SCSS

$custom: #b53b38;
$custom-light: #d3786f;
$custom-dark: #000000;

JSON

{
  "hex": "#b53b38",
  "rgb": {
    "r": 181,
    "g": 59,
    "b": 56
  },
  "hsl": {
    "h": 1.44,
    "s": 52.743,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52854,
    "c": 0.1585,
    "h": 25.6
  },
  "luminance": 0.13237
}

Semantic roles & 50–950 ramp

primary

#B53B38

secondary

#83C4C6

accent

#D9DC4C

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B53B38

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

Preview Lab → · Contrast checker → · Palette generator →