#B33033#B33033

#B33033 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.3% C 0.168 H 24.2°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#B33033
RGB	rgb(179, 48, 51)
HSL	hsl(359, 58%, 45%)
HSV	hsv(359, 73%, 70%)
CMYK	cmyk(0%, 73.2%, 71.5%, 29.8%)
CIE-LAB	lab(41.12, 52.41, 30.01)
CIE-LCH	lch(41.12, 60.39, 29.79°)
OKLab	oklab(51.27% 0.1528 0.0688)
OKLCH	oklch(51.27% 0.168 24.2)
XYZ	xyz(20.2472, 11.9397, 4.3698)
Luminance	0.1194 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33033 #30B3B0

analogous

#B33075 #B33033 #B36F30

triadic

#B33033 #33B330 #3033B3

tetradic

#B33033 #75B330 #30B3B0 #6F30B3

square

#B33033 #75B330 #30B3B0 #6F30B3

split-complementary

#B33033 #30B36F #3075B3

monochromatic

#521618 #832325 #B33033 #D05053 #DD8082

Accessibility & contrast

On white

6.20

#B33033 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B33033 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33033

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33033	#FFFFFF	#000000	##FFFFFF
##B33033	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F32

Deuteranopia (green-blind)

#776B2F

Tritanopia (blue-blind)

#C50033

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b33033;
/* rgb */ color: rgb(179, 48, 51);
/* oklch */ color: oklch(51.3% 0.168 24.2);

Tailwind

colors: {
  custom: {
    50: '#d2726b',
    500: '#b33033',
    950: '#000000',
  },
}

SCSS

$custom: #b33033;
$custom-light: #d2726b;
$custom-dark: #000000;

JSON

{
  "hex": "#b33033",
  "rgb": {
    "r": 179,
    "g": 48,
    "b": 51
  },
  "hsl": {
    "h": 358.626,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51267,
    "c": 0.16758,
    "h": 24.2
  },
  "luminance": 0.11937
}

Semantic roles & 50–950 ramp

primary

#B33033

secondary

#79C6C4

accent

#E1DD47

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B33033

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

Preview Lab → · Contrast checker → · Palette generator →