#BB423B#BB423B

#BB423B is a mid, vivid red. Relative luminance 0.148; OKLCH L 54.7% C 0.157 H 26.9°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#BB423B
RGB	rgb(187, 66, 59)
HSL	hsl(3, 52%, 48%)
HSV	hsv(3, 68%, 73%)
CMYK	cmyk(0%, 64.7%, 68.4%, 26.7%)
CIE-LAB	lab(45.33, 48.27, 30.64)
CIE-LCH	lch(45.33, 57.17, 32.41°)
OKLab	oklab(54.72% 0.1404 0.0712)
OKLCH	oklch(54.72% 0.157 26.9)
XYZ	xyz(23.2335, 14.7802, 5.7663)
Luminance	0.1478 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB423B #3BB4BB

analogous

#BB3B74 #BB423B #BB823B

triadic

#BB423B #3BBB42 #423BBB

tetradic

#BB423B #74BB3B #3BB4BB #823BBB

square

#BB423B #74BB3B #3BB4BB #823BBB

split-complementary

#BB423B #3BBB82 #3B74BB

monochromatic

#5E211E #8C322C #BB423B #CE6B65 #DD9793

Accessibility & contrast

On white

5.31

#BB423B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#BB423B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB423B

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB423B	#FFFFFF	#000000	##FFFFFF
##BB423B	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B39

Deuteranopia (green-blind)

#817537

Tritanopia (blue-blind)

#CD2541

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #bb423b;
/* rgb */ color: rgb(187, 66, 59);
/* oklch */ color: oklch(54.7% 0.157 26.9);

Tailwind

colors: {
  custom: {
    50: '#d77c71',
    500: '#bb423b',
    950: '#000000',
  },
}

SCSS

$custom: #bb423b;
$custom-light: #d77c71;
$custom-dark: #000000;

JSON

{
  "hex": "#bb423b",
  "rgb": {
    "r": 187,
    "g": 66,
    "b": 59
  },
  "hsl": {
    "h": 3.281,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.54723,
    "c": 0.15744,
    "h": 26.9
  },
  "luminance": 0.14777
}

Semantic roles & 50–950 ramp

primary

#BB423B

secondary

#8AC5C8

accent

#D4DB4C

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #BB423B

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

Preview Lab → · Contrast checker → · Palette generator →