#BB401C#BB401C

#BB401C is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.1% C 0.165 H 36.2°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#BB401C
RGB	rgb(187, 64, 28)
HSL	hsl(14, 74%, 42%)
HSV	hsv(14, 85%, 73%)
CMYK	cmyk(0%, 65.8%, 85%, 26.7%)
CIE-LAB	lab(44.69, 47.90, 46.49)
CIE-LCH	lch(44.69, 66.75, 44.14°)
OKLab	oklab(54.14% 0.1334 0.0976)
OKLCH	oklch(54.14% 0.165 36.2)
XYZ	xyz(22.5391, 14.3188, 2.6754)
Luminance	0.1431 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB401C #1C97BB

analogous

#BB1C48 #BB401C #BB901C

triadic

#BB401C #1CBB40 #401CBB

tetradic

#BB401C #48BB1C #1C97BB #901CBB

square

#BB401C #48BB1C #1C97BB #901CBB

split-complementary

#BB401C #1CBB90 #1C48BB

monochromatic

#511C0C #862E14 #BB401C #E15B34 #E98669

Accessibility & contrast

On white

5.44

#BB401C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#BB401C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB401C

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB401C	#FFFFFF	#000000	##FFFFFF
##BB401C	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)

#645816

Deuteranopia (green-blind)

#827415

Tritanopia (blue-blind)

#CE1A39

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #bb401c;
/* rgb */ color: rgb(187, 64, 28);
/* oklch */ color: oklch(54.1% 0.165 36.2);

Tailwind

colors: {
  custom: {
    50: '#d97b5c',
    500: '#bb401c',
    950: '#000000',
  },
}

SCSS

$custom: #bb401c;
$custom-light: #d97b5c;
$custom-dark: #000000;

JSON

{
  "hex": "#bb401c",
  "rgb": {
    "r": 187,
    "g": 64,
    "b": 28
  },
  "hsl": {
    "h": 13.585,
    "s": 73.953,
    "l": 42.157
  },
  "oklch": {
    "l": 0.54135,
    "c": 0.1653,
    "h": 36.2
  },
  "luminance": 0.14315
}

Semantic roles & 50–950 ramp

primary

#BB401C

secondary

#65B6CE

accent

#C7F137

background

#FEF7F5

surface

#FDEEE9

border

#D5C9C5

text

#160A04

muted

#847C79

Preview Lab

Preview with #BB401C

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

Preview Lab → · Contrast checker → · Palette generator →