#B5402F#B5402F

#B5402F is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.3% C 0.155 H 31.0°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#B5402F
RGB	rgb(181, 64, 47)
HSL	hsl(8, 59%, 45%)
HSV	hsv(8, 74%, 71%)
CMYK	cmyk(0%, 64.6%, 74%, 29%)
CIE-LAB	lab(43.80, 46.45, 35.49)
CIE-LCH	lch(43.80, 58.46, 37.38°)
OKLab	oklab(53.32% 0.133 0.0798)
OKLCH	oklch(53.32% 0.155 31)
XYZ	xyz(21.4048, 13.6988, 4.2058)
Luminance	0.1370 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5402F #2FA4B5

analogous

#B52F61 #B5402F #B5832F

triadic

#B5402F #2FB540 #402FB5

tetradic

#B5402F #61B52F #2FA4B5 #832FB5

square

#B5402F #61B52F #2FA4B5 #832FB5

split-complementary

#B5402F #2FB583 #2F61B5

monochromatic

#541E16 #842F22 #B5402F #D16050 #DE8C80

Accessibility & contrast

On white

5.62

#B5402F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#B5402F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5402F

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5402F	#FFFFFF	#000000	##FFFFFF
##B5402F	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61572C

Deuteranopia (green-blind)

#7E712B

Tritanopia (blue-blind)

#C7223D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b5402f;
/* rgb */ color: rgb(181, 64, 47);
/* oklch */ color: oklch(53.3% 0.155 31.0);

Tailwind

colors: {
  custom: {
    50: '#d37a68',
    500: '#b5402f',
    950: '#000000',
  },
}

SCSS

$custom: #b5402f;
$custom-light: #d37a68;
$custom-dark: #000000;

JSON

{
  "hex": "#b5402f",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 47
  },
  "hsl": {
    "h": 7.612,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.53323,
    "c": 0.15512,
    "h": 31
  },
  "luminance": 0.13696
}

Semantic roles & 50–950 ramp

primary

#B5402F

secondary

#79BDC7

accent

#CEE246

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #B5402F

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

Preview Lab → · Contrast checker → · Palette generator →