#B0291B#B0291B

#B0291B is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.8% C 0.174 H 30.1°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#B0291B
RGB	rgb(176, 41, 27)
HSL	hsl(6, 73%, 40%)
HSV	hsv(6, 85%, 69%)
CMYK	cmyk(0%, 76.7%, 84.7%, 31%)
CIE-LAB	lab(39.41, 53.00, 41.51)
CIE-LCH	lch(39.41, 67.32, 38.07°)
OKLab	oklab(49.8% 0.1501 0.0872)
OKLCH	oklch(49.8% 0.174 30.1)
XYZ	xyz(18.8976, 10.8981, 2.1452)
Luminance	0.1090 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0291B #1BA2B0

analogous

#B01B57 #B0291B #B0741B

triadic

#B0291B #1BB029 #291BB0

tetradic

#B0291B #57B01B #1BA2B0 #741BB0

square

#B0291B #57B01B #1BA2B0 #741BB0

split-complementary

#B0291B #1BB074 #1B57B0

monochromatic

#46100B #7B1D13 #B0291B #DE3B2A #E66C5F

Accessibility & contrast

On white

6.61

#B0291B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#B0291B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0291B

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0291B	#FFFFFF	#000000	##FFFFFF
##B0291B	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A17

Deuteranopia (green-blind)

#746813

Tritanopia (blue-blind)

#C20027

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b0291b;
/* rgb */ color: rgb(176, 41, 27);
/* oklch */ color: oklch(49.8% 0.174 30.1);

Tailwind

colors: {
  custom: {
    50: '#d16e5a',
    500: '#b0291b',
    950: '#000000',
  },
}

SCSS

$custom: #b0291b;
$custom-light: #d16e5a;
$custom-dark: #000000;

JSON

{
  "hex": "#b0291b",
  "rgb": {
    "r": 176,
    "g": 41,
    "b": 27
  },
  "hsl": {
    "h": 5.638,
    "s": 73.399,
    "l": 39.804
  },
  "oklch": {
    "l": 0.49803,
    "c": 0.17356,
    "h": 30.1
  },
  "luminance": 0.10895
}

Semantic roles & 50–950 ramp

primary

#B0291B

secondary

#5CC0CB

accent

#DFF038

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B0291B

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

Preview Lab → · Contrast checker → · Palette generator →