#BB403C#BB403C

#BB403C is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.5% C 0.159 H 25.7°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#BB403C
RGB	rgb(187, 64, 60)
HSL	hsl(2, 51%, 48%)
HSV	hsv(2, 68%, 73%)
CMYK	cmyk(0%, 65.8%, 67.9%, 26.7%)
CIE-LAB	lab(45.03, 49.18, 29.68)
CIE-LCH	lch(45.03, 57.45, 31.11°)
OKLab	oklab(54.5% 0.1435 0.0692)
OKLCH	oklch(54.5% 0.159 25.7)
XYZ	xyz(23.1449, 14.5611, 5.8659)
Luminance	0.1456 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB403C #3CB7BB

analogous

#BB3C77 #BB403C #BB7F3C

triadic

#BB403C #3CBB40 #403CBB

tetradic

#BB403C #77BB3C #3CB7BB #7F3CBB

square

#BB403C #77BB3C #3CB7BB #7F3CBB

split-complementary

#BB403C #3CBB7F #3C77BB

monochromatic

#5E201E #8D302D #BB403C #CE6966 #DD9795

Accessibility & contrast

On white

5.37

#BB403C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#BB403C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB403C

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB403C	#FFFFFF	#000000	##FFFFFF
##BB403C	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)

#615A3B

Deuteranopia (green-blind)

#807438

Tritanopia (blue-blind)

#CD2140

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #bb403c;
/* rgb */ color: rgb(187, 64, 60);
/* oklch */ color: oklch(54.5% 0.159 25.7);

Tailwind

colors: {
  custom: {
    50: '#d77b72',
    500: '#bb403c',
    950: '#000000',
  },
}

SCSS

$custom: #bb403c;
$custom-light: #d77b72;
$custom-dark: #000000;

JSON

{
  "hex": "#bb403c",
  "rgb": {
    "r": 187,
    "g": 64,
    "b": 60
  },
  "hsl": {
    "h": 1.89,
    "s": 51.417,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54499,
    "c": 0.15933,
    "h": 25.7
  },
  "luminance": 0.14558
}

Semantic roles & 50–950 ramp

primary

#BB403C

secondary

#8BC6C8

accent

#D6DB4D

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A08

muted

#847C7B

Preview Lab

Preview with #BB403C

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

Preview Lab → · Contrast checker → · Palette generator →