#B53030#B53030

#B53030 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.6% C 0.170 H 25.5°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#B53030
RGB	rgb(181, 48, 48)
HSL	hsl(0, 58%, 45%)
HSV	hsv(0, 73%, 71%)
CMYK	cmyk(0%, 73.5%, 73.5%, 29%)
CIE-LAB	lab(41.46, 52.90, 32.28)
CIE-LCH	lch(41.46, 61.98, 31.39°)
OKLab	oklab(51.58% 0.1535 0.0731)
OKLCH	oklch(51.58% 0.17 25.5)
XYZ	xyz(20.6489, 12.1542, 4.0545)
Luminance	0.1215 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53030 #30B5B5

analogous

#B53073 #B53030 #B57330

triadic

#B53030 #30B530 #3030B5

tetradic

#B53030 #73B530 #30B5B5 #7330B5

square

#B53030 #73B530 #30B5B5 #7330B5

split-complementary

#B53030 #30B573 #3073B5

monochromatic

#541616 #852323 #B53030 #D15151 #DE8282

Accessibility & contrast

On white

6.12

#B53030 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B53030 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53030

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53030	#FFFFFF	#000000	##FFFFFF
##B53030	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F2F

Deuteranopia (green-blind)

#786C2B

Tritanopia (blue-blind)

#C70032

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b53030;
/* rgb */ color: rgb(181, 48, 48);
/* oklch */ color: oklch(51.6% 0.170 25.5);

Tailwind

colors: {
  custom: {
    50: '#d47268',
    500: '#b53030',
    950: '#000000',
  },
}

SCSS

$custom: #b53030;
$custom-light: #d47268;
$custom-dark: #000000;

JSON

{
  "hex": "#b53030",
  "rgb": {
    "r": 181,
    "g": 48,
    "b": 48
  },
  "hsl": {
    "h": 0,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51576,
    "c": 0.16999,
    "h": 25.5
  },
  "luminance": 0.12151
}

Semantic roles & 50–950 ramp

primary

#B53030

secondary

#7AC7C7

accent

#E1E146

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53030

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

Preview Lab → · Contrast checker → · Palette generator →