#B33E36#B33E36

#B33E36 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.154 H 27.5°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#B33E36
RGB	rgb(179, 62, 54)
HSL	hsl(4, 54%, 46%)
HSV	hsv(4, 70%, 70%)
CMYK	cmyk(0%, 65.4%, 69.8%, 29.8%)
CIE-LAB	lab(43.21, 46.97, 30.70)
CIE-LCH	lch(43.21, 56.11, 33.17°)
OKLab	oklab(52.84% 0.1363 0.0709)
OKLCH	oklch(52.84% 0.154 27.5)
XYZ	xyz(20.9811, 13.2983, 4.9513)
Luminance	0.1330 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33E36 #36ABB3

analogous

#B3366C #B33E36 #B37C36

triadic

#B33E36 #36B33E #3E36B3

tetradic

#B33E36 #6CB336 #36ABB3 #7C36B3

square

#B33E36 #6CB336 #36ABB3 #7C36B3

split-complementary

#B33E36 #36B37C #366CB3

monochromatic

#551D1A #842E28 #B33E36 #CD6159 #DB8E88

Accessibility & contrast

On white

5.74

#B33E36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B33E36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33E36

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33E36	#FFFFFF	#000000	##FFFFFF
##B33E36	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5634

Deuteranopia (green-blind)

#7B6F32

Tritanopia (blue-blind)

#C5213D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33e36;
/* rgb */ color: rgb(179, 62, 54);
/* oklch */ color: oklch(52.8% 0.154 27.5);

Tailwind

colors: {
  custom: {
    50: '#d1796d',
    500: '#b33e36',
    950: '#000000',
  },
}

SCSS

$custom: #b33e36;
$custom-light: #d1796d;
$custom-dark: #000000;

JSON

{
  "hex": "#b33e36",
  "rgb": {
    "r": 179,
    "g": 62,
    "b": 54
  },
  "hsl": {
    "h": 3.84,
    "s": 53.648,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52843,
    "c": 0.15359,
    "h": 27.5
  },
  "luminance": 0.13295
}

Semantic roles & 50–950 ramp

primary

#B33E36

secondary

#80C1C5

accent

#D4DD4B

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33E36

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

Preview Lab → · Contrast checker → · Palette generator →