#BB421D#BB421D

#BB421D is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.4% C 0.163 H 36.7°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#BB421D
RGB	rgb(187, 66, 29)
HSL	hsl(14, 73%, 42%)
HSV	hsv(14, 84%, 73%)
CMYK	cmyk(0%, 64.7%, 84.5%, 26.7%)
CIE-LAB	lab(45.02, 47.06, 46.32)
CIE-LCH	lch(45.02, 66.04, 44.55°)
OKLab	oklab(54.38% 0.131 0.0976)
OKLCH	oklch(54.38% 0.163 36.7)
XYZ	xyz(22.6661, 14.5533, 2.7777)
Luminance	0.1455 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB421D #1D96BB

analogous

#BB1D47 #BB421D #BB911D

triadic

#BB421D #1DBB42 #421DBB

tetradic

#BB421D #47BB1D #1D96BB #911DBB

square

#BB421D #47BB1D #1D96BB #911DBB

split-complementary

#BB421D #1DBB91 #1D47BB

monochromatic

#511D0D #862F15 #BB421D #E05D35 #E8886A

Accessibility & contrast

On white

5.37

#BB421D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#BB421D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB421D

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB421D	#FFFFFF	#000000	##FFFFFF
##BB421D	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655917

Deuteranopia (green-blind)

#837517

Tritanopia (blue-blind)

#CE1F3B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #bb421d;
/* rgb */ color: rgb(187, 66, 29);
/* oklch */ color: oklch(54.4% 0.163 36.7);

Tailwind

colors: {
  custom: {
    50: '#d87c5d',
    500: '#bb421d',
    950: '#000000',
  },
}

SCSS

$custom: #bb421d;
$custom-light: #d87c5d;
$custom-dark: #000000;

JSON

{
  "hex": "#bb421d",
  "rgb": {
    "r": 187,
    "g": 66,
    "b": 29
  },
  "hsl": {
    "h": 14.051,
    "s": 73.148,
    "l": 42.353
  },
  "oklch": {
    "l": 0.54385,
    "c": 0.16336,
    "h": 36.7
  },
  "luminance": 0.1455
}

Semantic roles & 50–950 ramp

primary

#BB421D

secondary

#66B5CE

accent

#C5F038

background

#FEF7F5

surface

#FDEEE9

border

#D5C9C5

text

#160A04

muted

#847C79

Preview Lab

Preview with #BB421D

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

Preview Lab → · Contrast checker → · Palette generator →