#B53B35#B53B35

#B53B35 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.8% C 0.159 H 26.8°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#B53B35
RGB	rgb(181, 59, 53)
HSL	hsl(3, 55%, 46%)
HSV	hsv(3, 71%, 71%)
CMYK	cmyk(0%, 67.4%, 70.7%, 29%)
CIE-LAB	lab(43.08, 48.88, 31.22)
CIE-LCH	lch(43.08, 58.00, 32.57°)
OKLab	oklab(52.81% 0.1418 0.0717)
OKLCH	oklch(52.81% 0.159 26.8)
XYZ	xyz(21.2649, 13.2118, 4.7979)
Luminance	0.1321 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53B35 #35AFB5

analogous

#B5356F #B53B35 #B57B35

triadic

#B53B35 #35B53B #3B35B5

tetradic

#B53B35 #6FB535 #35AFB5 #7B35B5

square

#B53B35 #6FB535 #35AFB5 #7B35B5

split-complementary

#B53B35 #35B57B #356FB5

monochromatic

#561C19 #862C27 #B53B35 #CE5E59 #DC8C88

Accessibility & contrast

On white

5.77

#B53B35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B53B35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53B35

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53B35	#FFFFFF	#000000	##FFFFFF
##B53B35	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5533

Deuteranopia (green-blind)

#7B7031

Tritanopia (blue-blind)

#C7193B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b53b35;
/* rgb */ color: rgb(181, 59, 53);
/* oklch */ color: oklch(52.8% 0.159 26.8);

Tailwind

colors: {
  custom: {
    50: '#d3786c',
    500: '#b53b35',
    950: '#000000',
  },
}

SCSS

$custom: #b53b35;
$custom-light: #d3786c;
$custom-dark: #000000;

JSON

{
  "hex": "#b53b35",
  "rgb": {
    "r": 181,
    "g": 59,
    "b": 53
  },
  "hsl": {
    "h": 2.813,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52809,
    "c": 0.15895,
    "h": 26.8
  },
  "luminance": 0.13209
}

Semantic roles & 50–950 ramp

primary

#B53B35

secondary

#80C3C6

accent

#D7DE4A

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B53B35

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

Preview Lab → · Contrast checker → · Palette generator →