#B53330#B53330

#B53330 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.9% C 0.167 H 26.3°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#B53330
RGB	rgb(181, 51, 48)
HSL	hsl(1, 58%, 45%)
HSV	hsv(1, 73%, 71%)
CMYK	cmyk(0%, 71.8%, 73.5%, 29%)
CIE-LAB	lab(41.86, 51.81, 32.74)
CIE-LCH	lch(41.86, 61.28, 32.29°)
OKLab	oklab(51.87% 0.15 0.0741)
OKLCH	oklch(51.87% 0.167 26.3)
XYZ	xyz(20.7757, 12.4079, 4.0968)
Luminance	0.1240 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53330 #30B2B5

analogous

#B53070 #B53330 #B57530

triadic

#B53330 #30B533 #3330B5

tetradic

#B53330 #70B530 #30B2B5 #7530B5

square

#B53330 #70B530 #30B2B5 #7530B5

split-complementary

#B53330 #30B575 #3070B5

monochromatic

#541816 #852523 #B53330 #D15451 #DE8482

Accessibility & contrast

On white

6.03

#B53330 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B53330 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53330

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53330	#FFFFFF	#000000	##FFFFFF
##B53330	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59512E

Deuteranopia (green-blind)

#796D2B

Tritanopia (blue-blind)

#C70034

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b53330;
/* rgb */ color: rgb(181, 51, 48);
/* oklch */ color: oklch(51.9% 0.167 26.3);

Tailwind

colors: {
  custom: {
    50: '#d37469',
    500: '#b53330',
    950: '#000000',
  },
}

SCSS

$custom: #b53330;
$custom-light: #d37469;
$custom-dark: #000000;

JSON

{
  "hex": "#b53330",
  "rgb": {
    "r": 181,
    "g": 51,
    "b": 48
  },
  "hsl": {
    "h": 1.353,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51872,
    "c": 0.1673,
    "h": 26.3
  },
  "luminance": 0.12405
}

Semantic roles & 50–950 ramp

primary

#B53330

secondary

#7AC5C7

accent

#DEE146

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53330

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

Preview Lab → · Contrast checker → · Palette generator →