#B4402A#B4402A

#B4402A is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.1% C 0.155 H 32.8°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#B4402A
RGB	rgb(180, 64, 42)
HSL	hsl(10, 62%, 44%)
HSV	hsv(10, 77%, 71%)
CMYK	cmyk(0%, 64.4%, 76.7%, 29.4%)
CIE-LAB	lab(43.57, 45.88, 37.96)
CIE-LCH	lch(43.57, 59.55, 39.60°)
OKLab	oklab(53.1% 0.1304 0.084)
OKLCH	oklch(53.1% 0.155 32.8)
XYZ	xyz(21.0760, 13.5403, 3.6938)
Luminance	0.1354 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4402A #2A9EB4

analogous

#B42A59 #B4402A #B4852A

triadic

#B4402A #2AB440 #402AB4

tetradic

#B4402A #59B42A #2A9EB4 #852AB4

square

#B4402A #59B42A #2A9EB4 #852AB4

split-complementary

#B4402A #2AB485 #2A59B4

monochromatic

#511D13 #822E1E #B4402A #D45E47 #E08979

Accessibility & contrast

On white

5.66

#B4402A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#B4402A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4402A

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4402A	#FFFFFF	#000000	##FFFFFF
##B4402A	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615727

Deuteranopia (green-blind)

#7D7026

Tritanopia (blue-blind)

#C6213C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b4402a;
/* rgb */ color: rgb(180, 64, 42);
/* oklch */ color: oklch(53.1% 0.155 32.8);

Tailwind

colors: {
  custom: {
    50: '#d27a65',
    500: '#b4402a',
    950: '#000000',
  },
}

SCSS

$custom: #b4402a;
$custom-light: #d27a65;
$custom-dark: #000000;

JSON

{
  "hex": "#b4402a",
  "rgb": {
    "r": 180,
    "g": 64,
    "b": 42
  },
  "hsl": {
    "h": 9.565,
    "s": 62.162,
    "l": 43.529
  },
  "oklch": {
    "l": 0.53098,
    "c": 0.15508,
    "h": 32.8
  },
  "luminance": 0.13537
}

Semantic roles & 50–950 ramp

primary

#B4402A

secondary

#72BAC8

accent

#CBE543

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A05

muted

#847C7A

Preview Lab

Preview with #B4402A

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

Preview Lab → · Contrast checker → · Palette generator →