#B33E39#B33E39

#B33E39 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.9% C 0.153 H 26.2°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#B33E39
RGB	rgb(179, 62, 57)
HSL	hsl(2, 52%, 46%)
HSV	hsv(2, 68%, 70%)
CMYK	cmyk(0%, 65.4%, 68.2%, 29.8%)
CIE-LAB	lab(43.25, 47.13, 28.98)
CIE-LCH	lch(43.25, 55.33, 31.59°)
OKLab	oklab(52.89% 0.1374 0.0676)
OKLCH	oklch(52.89% 0.153 26.2)
XYZ	xyz(21.0537, 13.3273, 5.3339)
Luminance	0.1332 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33E39 #39AEB3

analogous

#B33971 #B33E39 #B37B39

triadic

#B33E39 #39B33E #3E39B3

tetradic

#B33E39 #71B339 #39AEB3 #7B39B3

square

#B33E39 #71B339 #39AEB3 #7B39B3

split-complementary

#B33E39 #39B37B #3971B3

monochromatic

#561E1B #852E2A #B33E39 #CC625E #DA8F8C

Accessibility & contrast

On white

5.73

#B33E39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B33E39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33E39

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33E39	#FFFFFF	#000000	##FFFFFF
##B33E39	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5638

Deuteranopia (green-blind)

#7B7036

Tritanopia (blue-blind)

#C4213E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33e39;
/* rgb */ color: rgb(179, 62, 57);
/* oklch */ color: oklch(52.9% 0.153 26.2);

Tailwind

colors: {
  custom: {
    50: '#d1796f',
    500: '#b33e39',
    950: '#000000',
  },
}

SCSS

$custom: #b33e39;
$custom-light: #d1796f;
$custom-dark: #000000;

JSON

{
  "hex": "#b33e39",
  "rgb": {
    "r": 179,
    "g": 62,
    "b": 57
  },
  "hsl": {
    "h": 2.459,
    "s": 51.695,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52889,
    "c": 0.15311,
    "h": 26.2
  },
  "luminance": 0.13324
}

Semantic roles & 50–950 ramp

primary

#B33E39

secondary

#83C2C5

accent

#D5DB4D

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33E39

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

Preview Lab → · Contrast checker → · Palette generator →