#B33029#B33029

#B33029 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.1% C 0.169 H 27.9°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#B33029
RGB	rgb(179, 48, 41)
HSL	hsl(3, 63%, 43%)
HSV	hsv(3, 77%, 70%)
CMYK	cmyk(0%, 73.2%, 77.1%, 29.8%)
CIE-LAB	lab(40.99, 51.98, 35.71)
CIE-LCH	lch(40.99, 63.07, 34.49°)
OKLab	oklab(51.13% 0.1493 0.079)
OKLCH	oklch(51.13% 0.169 27.9)
XYZ	xyz(20.0499, 11.8608, 3.3310)
Luminance	0.1186 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33029 #29ACB3

analogous

#B32967 #B33029 #B37529

triadic

#B33029 #29B330 #3029B3

tetradic

#B33029 #67B329 #29ACB3 #7529B3

square

#B33029 #67B329 #29ACB3 #7529B3

split-complementary

#B33029 #29B375 #2967B3

monochromatic

#4F1512 #81231E #B33029 #D44C45 #E07C77

Accessibility & contrast

On white

6.23

#B33029 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#B33029 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33029

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33029	#FFFFFF	#000000	##FFFFFF
##B33029	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E27

Deuteranopia (green-blind)

#776B24

Tritanopia (blue-blind)

#C50030

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b33029;
/* rgb */ color: rgb(179, 48, 41);
/* oklch */ color: oklch(51.1% 0.169 27.9);

Tailwind

colors: {
  custom: {
    50: '#d27263',
    500: '#b33029',
    950: '#000000',
  },
}

SCSS

$custom: #b33029;
$custom-light: #d27263;
$custom-dark: #000000;

JSON

{
  "hex": "#b33029",
  "rgb": {
    "r": 179,
    "g": 48,
    "b": 41
  },
  "hsl": {
    "h": 3.043,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.51132,
    "c": 0.1689,
    "h": 27.9
  },
  "luminance": 0.11858
}

Semantic roles & 50–950 ramp

primary

#B33029

secondary

#70C3C7

accent

#DDE642

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B33029

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

Preview Lab → · Contrast checker → · Palette generator →