#B5402B#B5402B

#B5402B is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.3% C 0.156 H 32.4°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#B5402B
RGB	rgb(181, 64, 43)
HSL	hsl(9, 62%, 44%)
HSV	hsv(9, 76%, 71%)
CMYK	cmyk(0%, 64.6%, 76.2%, 29%)
CIE-LAB	lab(43.75, 46.28, 37.66)
CIE-LCH	lch(43.75, 59.67, 39.14°)
OKLab	oklab(53.27% 0.1317 0.0836)
OKLCH	oklch(53.27% 0.156 32.4)
XYZ	xyz(21.3278, 13.6680, 3.8002)
Luminance	0.1366 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5402B #2BA0B5

analogous

#B52B5B #B5402B #B5852B

triadic

#B5402B #2BB540 #402BB5

tetradic

#B5402B #5BB52B #2BA0B5 #852BB5

square

#B5402B #5BB52B #2BA0B5 #852BB5

split-complementary

#B5402B #2BB585 #2B5BB5

monochromatic

#521D14 #842F1F #B5402B #D45E49 #E08A7B

Accessibility & contrast

On white

5.63

#B5402B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#B5402B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5402B

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5402B	#FFFFFF	#000000	##FFFFFF
##B5402B	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615728

Deuteranopia (green-blind)

#7E7127

Tritanopia (blue-blind)

#C7213C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b5402b;
/* rgb */ color: rgb(181, 64, 43);
/* oklch */ color: oklch(53.3% 0.156 32.4);

Tailwind

colors: {
  custom: {
    50: '#d37a66',
    500: '#b5402b',
    950: '#000000',
  },
}

SCSS

$custom: #b5402b;
$custom-light: #d37a66;
$custom-dark: #000000;

JSON

{
  "hex": "#b5402b",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 43
  },
  "hsl": {
    "h": 9.13,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.53275,
    "c": 0.15595,
    "h": 32.4
  },
  "luminance": 0.13665
}

Semantic roles & 50–950 ramp

primary

#B5402B

secondary

#74BBC8

accent

#CCE543

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #B5402B

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

Preview Lab → · Contrast checker → · Palette generator →