#B33B2E#B33B2E

#B33B2E is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.4% C 0.158 H 29.6°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B33B2E
RGB	rgb(179, 59, 46)
HSL	hsl(6, 59%, 44%)
HSV	hsv(6, 74%, 70%)
CMYK	cmyk(0%, 67%, 74.3%, 29.8%)
CIE-LAB	lab(42.63, 47.87, 34.66)
CIE-LCH	lch(42.63, 59.10, 35.91°)
OKLab	oklab(52.38% 0.1374 0.0779)
OKLCH	oklch(52.38% 0.158 29.6)
XYZ	xyz(20.6498, 12.9119, 3.9891)
Luminance	0.1291 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33B2E #2EA6B3

analogous

#B32E64 #B33B2E #B37E2E

triadic

#B33B2E #2EB33B #3B2EB3

tetradic

#B33B2E #64B32E #2EA6B3 #7E2EB3

square

#B33B2E #64B32E #2EA6B3 #7E2EB3

split-complementary

#B33B2E #2EB37E #2E64B3

monochromatic

#521B15 #822B21 #B33B2E #D15A4D #DE877E

Accessibility & contrast

On white

5.86

#B33B2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B33B2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33B2E

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33B2E	#FFFFFF	#000000	##FFFFFF
##B33B2E	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D542C

Deuteranopia (green-blind)

#7B6E2A

Tritanopia (blue-blind)

#C51839

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33b2e;
/* rgb */ color: rgb(179, 59, 46);
/* oklch */ color: oklch(52.4% 0.158 29.6);

Tailwind

colors: {
  custom: {
    50: '#d27767',
    500: '#b33b2e',
    950: '#000000',
  },
}

SCSS

$custom: #b33b2e;
$custom-light: #d27767;
$custom-dark: #000000;

JSON

{
  "hex": "#b33b2e",
  "rgb": {
    "r": 179,
    "g": 59,
    "b": 46
  },
  "hsl": {
    "h": 5.865,
    "s": 59.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.52375,
    "c": 0.15799,
    "h": 29.6
  },
  "luminance": 0.12909
}

Semantic roles & 50–950 ramp

primary

#B33B2E

secondary

#76BFC6

accent

#D3E246

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B33B2E

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

Preview Lab → · Contrast checker → · Palette generator →