#BB403D#BB403D

#BB403D is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.5% C 0.159 H 25.3°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#BB403D
RGB	rgb(187, 64, 61)
HSL	hsl(1, 51%, 49%)
HSV	hsv(1, 67%, 73%)
CMYK	cmyk(0%, 65.8%, 67.4%, 26.7%)
CIE-LAB	lab(45.04, 49.24, 29.11)
CIE-LCH	lch(45.04, 57.20, 30.59°)
OKLab	oklab(54.52% 0.1439 0.0681)
OKLCH	oklch(54.52% 0.159 25.3)
XYZ	xyz(23.1716, 14.5718, 6.0065)
Luminance	0.1457 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB403D #3DB8BB

analogous

#BB3D79 #BB403D #BB7F3D

triadic

#BB403D #3DBB40 #403DBB

tetradic

#BB403D #79BB3D #3DB8BB #7F3DBB

square

#BB403D #79BB3D #3DB8BB #7F3DBB

split-complementary

#BB403D #3DBB7F #3D79BB

monochromatic

#5F201F #8D302E #BB403D #CE6A68 #DD9796

Accessibility & contrast

On white

5.37

#BB403D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#BB403D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB403D

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB403D	#FFFFFF	#000000	##FFFFFF
##BB403D	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)

#615A3C

Deuteranopia (green-blind)

#807439

Tritanopia (blue-blind)

#CD2240

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #bb403d;
/* rgb */ color: rgb(187, 64, 61);
/* oklch */ color: oklch(54.5% 0.159 25.3);

Tailwind

colors: {
  custom: {
    50: '#d77b72',
    500: '#bb403d',
    950: '#000000',
  },
}

SCSS

$custom: #bb403d;
$custom-light: #d77b72;
$custom-dark: #000000;

JSON

{
  "hex": "#bb403d",
  "rgb": {
    "r": 187,
    "g": 64,
    "b": 61
  },
  "hsl": {
    "h": 1.429,
    "s": 50.806,
    "l": 48.627
  },
  "oklch": {
    "l": 0.54515,
    "c": 0.15919,
    "h": 25.3
  },
  "luminance": 0.14569
}

Semantic roles & 50–950 ramp

primary

#BB403D

secondary

#8CC7C8

accent

#D7DA4E

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A08

muted

#847C7B

Preview Lab

Preview with #BB403D

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

Preview Lab → · Contrast checker → · Palette generator →