#BB401B#BB401B

#BB401B is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.1% C 0.165 H 36.4°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#BB401B
RGB	rgb(187, 64, 27)
HSL	hsl(14, 75%, 42%)
HSV	hsv(14, 86%, 73%)
CMYK	cmyk(0%, 65.8%, 85.6%, 26.7%)
CIE-LAB	lab(44.68, 47.88, 46.93)
CIE-LCH	lch(44.68, 67.04, 44.43°)
OKLab	oklab(54.13% 0.1332 0.0982)
OKLCH	oklch(54.13% 0.165 36.4)
XYZ	xyz(22.5274, 14.3141, 2.6134)
Luminance	0.1431 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB401B #1B96BB

analogous

#BB1B46 #BB401B #BB901B

triadic

#BB401B #1BBB40 #401BBB

tetradic

#BB401B #46BB1B #1B96BB #901BBB

square

#BB401B #46BB1B #1B96BB #901BBB

split-complementary

#BB401B #1BBB90 #1B46BB

monochromatic

#501B0C #862E13 #BB401B #E15A32 #E98567

Accessibility & contrast

On white

5.44

#BB401B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#BB401B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB401B

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB401B	#FFFFFF	#000000	##FFFFFF
##BB401B	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645814

Deuteranopia (green-blind)

#827414

Tritanopia (blue-blind)

#CE1A39

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #bb401b;
/* rgb */ color: rgb(187, 64, 27);
/* oklch */ color: oklch(54.1% 0.165 36.4);

Tailwind

colors: {
  custom: {
    50: '#d97b5c',
    500: '#bb401b',
    950: '#000000',
  },
}

SCSS

$custom: #bb401b;
$custom-light: #d97b5c;
$custom-dark: #000000;

JSON

{
  "hex": "#bb401b",
  "rgb": {
    "r": 187,
    "g": 64,
    "b": 27
  },
  "hsl": {
    "h": 13.875,
    "s": 74.766,
    "l": 41.961
  },
  "oklch": {
    "l": 0.54128,
    "c": 0.16549,
    "h": 36.4
  },
  "luminance": 0.14311
}

Semantic roles & 50–950 ramp

primary

#BB401B

secondary

#63B6CE

accent

#C6F136

background

#FEF7F5

surface

#FDEEE9

border

#D5C9C5

text

#170A04

muted

#857C79

Preview Lab

Preview with #BB401B

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

Preview Lab → · Contrast checker → · Palette generator →