#B3331E#B3331E

#B3331E is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.168 H 32.0°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#B3331E
RGB	rgb(179, 51, 30)
HSL	hsl(8, 71%, 41%)
HSV	hsv(8, 83%, 70%)
CMYK	cmyk(0%, 71.5%, 83.2%, 29.8%)
CIE-LAB	lab(41.29, 50.50, 41.94)
CIE-LCH	lch(41.29, 65.64, 39.71°)
OKLab	oklab(51.32% 0.1425 0.089)
OKLCH	oklch(51.32% 0.168 32)
XYZ	xyz(20.0110, 12.0482, 2.4999)
Luminance	0.1205 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3331E #1E9EB3

analogous

#B31E54 #B3331E #B37D1E

triadic

#B3331E #1EB333 #331EB3

tetradic

#B3331E #54B31E #1E9EB3 #7D1EB3

square

#B3331E #54B31E #1E9EB3 #7D1EB3

split-complementary

#B3331E #1EB37D #1E54B3

monochromatic

#4A150C #7F2415 #B3331E #DD4A32 #E57866

Accessibility & contrast

On white

6.16

#B3331E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B3331E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3331E

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3331E	#FFFFFF	#000000	##FFFFFF
##B3331E	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F1A

Deuteranopia (green-blind)

#796C17

Tritanopia (blue-blind)

#C5002F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b3331e;
/* rgb */ color: rgb(179, 51, 30);
/* oklch */ color: oklch(51.3% 0.168 32.0);

Tailwind

colors: {
  custom: {
    50: '#d3735c',
    500: '#b3331e',
    950: '#000000',
  },
}

SCSS

$custom: #b3331e;
$custom-light: #d3735c;
$custom-dark: #000000;

JSON

{
  "hex": "#b3331e",
  "rgb": {
    "r": 179,
    "g": 51,
    "b": 30
  },
  "hsl": {
    "h": 8.456,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.51322,
    "c": 0.16803,
    "h": 32
  },
  "luminance": 0.12045
}

Semantic roles & 50–950 ramp

primary

#B3331E

secondary

#62BCCB

accent

#D5EE3A

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B3331E

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

Preview Lab → · Contrast checker → · Palette generator →