#B33530#B33530

#B33530 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.163 H 26.8°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#B33530
RGB	rgb(179, 53, 48)
HSL	hsl(2, 58%, 45%)
HSV	hsv(2, 73%, 70%)
CMYK	cmyk(0%, 70.4%, 73.2%, 29.8%)
CIE-LAB	lab(41.76, 50.39, 32.53)
CIE-LCH	lch(41.76, 59.98, 32.84°)
OKLab	oklab(51.73% 0.1458 0.0737)
OKLCH	oklch(51.73% 0.163 26.8)
XYZ	xyz(20.3993, 12.3464, 4.1047)
Luminance	0.1234 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33530 #30AEB3

analogous

#B3306D #B33530 #B37730

triadic

#B33530 #30B335 #3530B3

tetradic

#B33530 #6DB330 #30AEB3 #7730B3

square

#B33530 #6DB330 #30AEB3 #7730B3

split-complementary

#B33530 #30B377 #306DB3

monochromatic

#521816 #832723 #B33530 #D05550 #DD8480

Accessibility & contrast

On white

6.05

#B33530 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B33530 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33530

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33530	#FFFFFF	#000000	##FFFFFF
##B33530	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59512E

Deuteranopia (green-blind)

#786D2C

Tritanopia (blue-blind)

#C50735

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b33530;
/* rgb */ color: rgb(179, 53, 48);
/* oklch */ color: oklch(51.7% 0.163 26.8);

Tailwind

colors: {
  custom: {
    50: '#d27469',
    500: '#b33530',
    950: '#000000',
  },
}

SCSS

$custom: #b33530;
$custom-light: #d27469;
$custom-dark: #000000;

JSON

{
  "hex": "#b33530",
  "rgb": {
    "r": 179,
    "g": 53,
    "b": 48
  },
  "hsl": {
    "h": 2.29,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51732,
    "c": 0.16337,
    "h": 26.8
  },
  "luminance": 0.12343
}

Semantic roles & 50–950 ramp

primary

#B33530

secondary

#79C3C6

accent

#DBE147

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B33530

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

Preview Lab → · Contrast checker → · Palette generator →