#BB403A#BB403A

#BB403A is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.5% C 0.160 H 26.6°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#BB403A
RGB	rgb(187, 64, 58)
HSL	hsl(3, 53%, 48%)
HSV	hsv(3, 69%, 73%)
CMYK	cmyk(0%, 65.8%, 69%, 26.7%)
CIE-LAB	lab(45.00, 49.07, 30.82)
CIE-LCH	lch(45.00, 57.95, 32.13°)
OKLab	oklab(54.47% 0.1428 0.0714)
OKLCH	oklch(54.47% 0.16 26.6)
XYZ	xyz(23.0930, 14.5403, 5.5927)
Luminance	0.1454 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB403A #3AB5BB

analogous

#BB3A74 #BB403A #BB813A

triadic

#BB403A #3ABB40 #403ABB

tetradic

#BB403A #74BB3A #3AB5BB #813ABB

square

#BB403A #74BB3A #3AB5BB #813ABB

split-complementary

#BB403A #3ABB81 #3A74BB

monochromatic

#5E201D #8C302C #BB403A #CF6863 #DD9692

Accessibility & contrast

On white

5.37

#BB403A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#BB403A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB403A

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB403A	#FFFFFF	#000000	##FFFFFF
##BB403A	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)

#625A38

Deuteranopia (green-blind)

#807436

Tritanopia (blue-blind)

#CD2140

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #bb403a;
/* rgb */ color: rgb(187, 64, 58);
/* oklch */ color: oklch(54.5% 0.160 26.6);

Tailwind

colors: {
  custom: {
    50: '#d77b70',
    500: '#bb403a',
    950: '#000000',
  },
}

SCSS

$custom: #bb403a;
$custom-light: #d77b70;
$custom-dark: #000000;

JSON

{
  "hex": "#bb403a",
  "rgb": {
    "r": 187,
    "g": 64,
    "b": 58
  },
  "hsl": {
    "h": 2.791,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54468,
    "c": 0.15964,
    "h": 26.6
  },
  "luminance": 0.14537
}

Semantic roles & 50–950 ramp

primary

#BB403A

secondary

#88C5C8

accent

#D5DC4C

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #BB403A

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

Preview Lab → · Contrast checker → · Palette generator →