#B33630#B33630

#B33630 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.162 H 27.1°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#B33630
RGB	rgb(179, 54, 48)
HSL	hsl(3, 58%, 45%)
HSV	hsv(3, 73%, 70%)
CMYK	cmyk(0%, 69.8%, 73.2%, 29.8%)
CIE-LAB	lab(41.90, 50.00, 32.69)
CIE-LCH	lch(41.90, 59.74, 33.18°)
OKLab	oklab(51.84% 0.1446 0.0741)
OKLCH	oklch(51.84% 0.162 27.1)
XYZ	xyz(20.4453, 12.4385, 4.1200)
Luminance	0.1244 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33630 #30ADB3

analogous

#B3306C #B33630 #B37830

triadic

#B33630 #30B336 #3630B3

tetradic

#B33630 #6CB330 #30ADB3 #7830B3

square

#B33630 #6CB330 #30ADB3 #7830B3

split-complementary

#B33630 #30B378 #306CB3

monochromatic

#521916 #832723 #B33630 #D05650 #DD8580

Accessibility & contrast

On white

6.02

#B33630 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B33630 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33630

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33630	#FFFFFF	#000000	##FFFFFF
##B33630	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A522E

Deuteranopia (green-blind)

#796D2C

Tritanopia (blue-blind)

#C50B36

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33630;
/* rgb */ color: rgb(179, 54, 48);
/* oklch */ color: oklch(51.8% 0.162 27.1);

Tailwind

colors: {
  custom: {
    50: '#d27569',
    500: '#b33630',
    950: '#000000',
  },
}

SCSS

$custom: #b33630;
$custom-light: #d27569;
$custom-dark: #000000;

JSON

{
  "hex": "#b33630",
  "rgb": {
    "r": 179,
    "g": 54,
    "b": 48
  },
  "hsl": {
    "h": 2.748,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51839,
    "c": 0.16242,
    "h": 27.1
  },
  "luminance": 0.12435
}

Semantic roles & 50–950 ramp

primary

#B33630

secondary

#79C2C6

accent

#DAE147

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B33630

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

Preview Lab → · Contrast checker → · Palette generator →