#B42F16#B42F16

#B42F16 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.0% C 0.173 H 32.6°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#B42F16
RGB	rgb(180, 47, 22)
HSL	hsl(9, 78%, 40%)
HSV	hsv(9, 88%, 71%)
CMYK	cmyk(0%, 73.9%, 87.8%, 29.4%)
CIE-LAB	lab(40.89, 52.10, 45.46)
CIE-LCH	lch(40.89, 69.15, 41.11°)
OKLab	oklab(51.04% 0.1461 0.0936)
OKLCH	oklch(51.04% 0.173 32.6)
XYZ	xyz(19.9862, 11.7974, 1.9837)
Luminance	0.1179 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42F16 #169BB4

analogous

#B4164C #B42F16 #B47E16

triadic

#B42F16 #16B42F #2F16B4

tetradic

#B42F16 #4CB416 #169BB4 #7E16B4

square

#B42F16 #4CB416 #169BB4 #7E16B4

split-complementary

#B42F16 #16B47E #164CB4

monochromatic

#471309 #7D210F #B42F16 #E44223 #EB715A

Accessibility & contrast

On white

6.25

#B42F16 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#B42F16 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42F16

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42F16	#FFFFFF	#000000	##FFFFFF
##B42F16	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E10

Deuteranopia (green-blind)

#796B0C

Tritanopia (blue-blind)

#C7002B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b42f16;
/* rgb */ color: rgb(180, 47, 22);
/* oklch */ color: oklch(51.0% 0.173 32.6);

Tailwind

colors: {
  custom: {
    50: '#d47157',
    500: '#b42f16',
    950: '#000000',
  },
}

SCSS

$custom: #b42f16;
$custom-light: #d47157;
$custom-dark: #000000;

JSON

{
  "hex": "#b42f16",
  "rgb": {
    "r": 180,
    "g": 47,
    "b": 22
  },
  "hsl": {
    "h": 9.494,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.51039,
    "c": 0.17349,
    "h": 32.6
  },
  "luminance": 0.11794
}

Semantic roles & 50–950 ramp

primary

#B42F16

secondary

#58BBCE

accent

#D6F533

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160803

muted

#847B78

Preview Lab

Preview with #B42F16

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

Preview Lab → · Contrast checker → · Palette generator →