#BB401D#BB401D

#BB401D is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.1% C 0.165 H 36.0°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#BB401D
RGB	rgb(187, 64, 29)
HSL	hsl(13, 73%, 42%)
HSV	hsv(13, 84%, 73%)
CMYK	cmyk(0%, 65.8%, 84.5%, 26.7%)
CIE-LAB	lab(44.69, 47.93, 46.04)
CIE-LCH	lch(44.69, 66.46, 43.85°)
OKLab	oklab(54.14% 0.1337 0.097)
OKLCH	oklch(54.14% 0.165 36)
XYZ	xyz(22.5513, 14.3236, 2.7394)
Luminance	0.1432 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB401D #1D98BB

analogous

#BB1D49 #BB401D #BB8F1D

triadic

#BB401D #1DBB40 #401DBB

tetradic

#BB401D #49BB1D #1D98BB #8F1DBB

square

#BB401D #49BB1D #1D98BB #8F1DBB

split-complementary

#BB401D #1DBB8F #1D49BB

monochromatic

#511C0D #862E15 #BB401D #E05B35 #E8866A

Accessibility & contrast

On white

5.43

#BB401D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#BB401D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB401D

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB401D	#FFFFFF	#000000	##FFFFFF
##BB401D	1.00	5.43	3.86	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645817

Deuteranopia (green-blind)

#827416

Tritanopia (blue-blind)

#CE1A39

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #bb401d;
/* rgb */ color: rgb(187, 64, 29);
/* oklch */ color: oklch(54.1% 0.165 36.0);

Tailwind

colors: {
  custom: {
    50: '#d87b5d',
    500: '#bb401d',
    950: '#000000',
  },
}

SCSS

$custom: #bb401d;
$custom-light: #d87b5d;
$custom-dark: #000000;

JSON

{
  "hex": "#bb401d",
  "rgb": {
    "r": 187,
    "g": 64,
    "b": 29
  },
  "hsl": {
    "h": 13.291,
    "s": 73.148,
    "l": 42.353
  },
  "oklch": {
    "l": 0.54142,
    "c": 0.16513,
    "h": 36
  },
  "luminance": 0.1432
}

Semantic roles & 50–950 ramp

primary

#BB401D

secondary

#66B7CE

accent

#C7F038

background

#FEF7F5

surface

#FDEEE9

border

#D5C9C5

text

#160A04

muted

#847C79

Preview Lab

Preview with #BB401D

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

Preview Lab → · Contrast checker → · Palette generator →