#B33330#B33330

#B33330 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.5% C 0.165 H 26.2°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#B33330
RGB	rgb(179, 51, 48)
HSL	hsl(1, 58%, 45%)
HSV	hsv(1, 73%, 70%)
CMYK	cmyk(0%, 71.5%, 73.2%, 29.8%)
CIE-LAB	lab(41.48, 51.16, 32.21)
CIE-LCH	lch(41.48, 60.45, 32.19°)
OKLab	oklab(51.52% 0.1482 0.073)
OKLCH	oklch(51.52% 0.165 26.2)
XYZ	xyz(20.3100, 12.1678, 4.0749)
Luminance	0.1216 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33330 #30B0B3

analogous

#B3306F #B33330 #B37530

triadic

#B33330 #30B333 #3330B3

tetradic

#B33330 #6FB330 #30B0B3 #7530B3

square

#B33330 #6FB330 #30B0B3 #7530B3

split-complementary

#B33330 #30B375 #306FB3

monochromatic

#521816 #832523 #B33330 #D05350 #DD8280

Accessibility & contrast

On white

6.12

#B33330 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B33330 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33330

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33330	#FFFFFF	#000000	##FFFFFF
##B33330	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)

#58502E

Deuteranopia (green-blind)

#786C2C

Tritanopia (blue-blind)

#C50034

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b33330;
/* rgb */ color: rgb(179, 51, 48);
/* oklch */ color: oklch(51.5% 0.165 26.2);

Tailwind

colors: {
  custom: {
    50: '#d27368',
    500: '#b33330',
    950: '#000000',
  },
}

SCSS

$custom: #b33330;
$custom-light: #d27368;
$custom-dark: #000000;

JSON

{
  "hex": "#b33330",
  "rgb": {
    "r": 179,
    "g": 51,
    "b": 48
  },
  "hsl": {
    "h": 1.374,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51523,
    "c": 0.16522,
    "h": 26.2
  },
  "luminance": 0.12165
}

Semantic roles & 50–950 ramp

primary

#B33330

secondary

#79C4C6

accent

#DDE147

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B33330

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

Preview Lab → · Contrast checker → · Palette generator →