#B33E2A#B33E2A

#B33E2A is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.156 H 32.1°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#B33E2A
RGB	rgb(179, 62, 42)
HSL	hsl(9, 62%, 43%)
HSV	hsv(9, 77%, 70%)
CMYK	cmyk(0%, 65.4%, 76.5%, 29.8%)
CIE-LAB	lab(43.06, 46.41, 37.37)
CIE-LCH	lch(43.06, 59.58, 38.84°)
OKLab	oklab(52.69% 0.1321 0.0828)
OKLCH	oklch(52.69% 0.156 32.1)
XYZ	xyz(20.7332, 13.1991, 3.6460)
Luminance	0.1320 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33E2A #2A9FB3

analogous

#B32A5A #B33E2A #B3822A

triadic

#B33E2A #2AB33E #3E2AB3

tetradic

#B33E2A #5AB32A #2A9FB3 #822AB3

square

#B33E2A #5AB32A #2A9FB3 #822AB3

split-complementary

#B33E2A #2AB382 #2A5AB3

monochromatic

#501C13 #812D1E #B33E2A #D45B46 #DF8778

Accessibility & contrast

On white

5.77

#B33E2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B33E2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33E2A

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33E2A	#FFFFFF	#000000	##FFFFFF
##B33E2A	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5527

Deuteranopia (green-blind)

#7C6F26

Tritanopia (blue-blind)

#C51E3A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33e2a;
/* rgb */ color: rgb(179, 62, 42);
/* oklch */ color: oklch(52.7% 0.156 32.1);

Tailwind

colors: {
  custom: {
    50: '#d27965',
    500: '#b33e2a',
    950: '#000000',
  },
}

SCSS

$custom: #b33e2a;
$custom-light: #d27965;
$custom-dark: #000000;

JSON

{
  "hex": "#b33e2a",
  "rgb": {
    "r": 179,
    "g": 62,
    "b": 42
  },
  "hsl": {
    "h": 8.759,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.52685,
    "c": 0.1559,
    "h": 32.1
  },
  "luminance": 0.13196
}

Semantic roles & 50–950 ramp

primary

#B33E2A

secondary

#72BBC7

accent

#CDE543

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B33E2A

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

Preview Lab → · Contrast checker → · Palette generator →