#B42F11#B42F11

#B42F11 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.0% C 0.174 H 33.5°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#B42F11
RGB	rgb(180, 47, 17)
HSL	hsl(11, 83%, 39%)
HSV	hsv(11, 91%, 71%)
CMYK	cmyk(0%, 73.9%, 90.6%, 29.4%)
CIE-LAB	lab(40.86, 52.01, 47.53)
CIE-LCH	lch(40.86, 70.45, 42.43°)
OKLab	oklab(51.01% 0.1451 0.0962)
OKLCH	oklch(51.01% 0.174 33.5)
XYZ	xyz(19.9426, 11.7800, 1.7539)
Luminance	0.1178 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42F11 #1196B4

analogous

#B41144 #B42F11 #B48011

triadic

#B42F11 #11B42F #2F11B4

tetradic

#B42F11 #44B411 #1196B4 #8011B4

square

#B42F11 #44B411 #1196B4 #8011B4

split-complementary

#B42F11 #11B480 #1144B4

monochromatic

#441206 #7C200C #B42F11 #E93F19 #EF6E51

Accessibility & contrast

On white

6.26

#B42F11 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#B42F11 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42F11

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42F11	#FFFFFF	#000000	##FFFFFF
##B42F11	1.00	6.26	3.36	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584D09

Deuteranopia (green-blind)

#796B04

Tritanopia (blue-blind)

#C7002A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b42f11;
/* rgb */ color: rgb(180, 47, 17);
/* oklch */ color: oklch(51.0% 0.174 33.5);

Tailwind

colors: {
  custom: {
    50: '#d57155',
    500: '#b42f11',
    950: '#000000',
  },
}

SCSS

$custom: #b42f11;
$custom-light: #d57155;
$custom-dark: #000000;

JSON

{
  "hex": "#b42f11",
  "rgb": {
    "r": 180,
    "g": 47,
    "b": 17
  },
  "hsl": {
    "h": 11.043,
    "s": 82.741,
    "l": 38.627
  },
  "oklch": {
    "l": 0.51009,
    "c": 0.1741,
    "h": 33.5
  },
  "luminance": 0.11777
}

Semantic roles & 50–950 ramp

primary

#B42F11

secondary

#50B9D0

accent

#D4F92F

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160803

muted

#847B78

Preview Lab

Preview with #B42F11

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

Preview Lab → · Contrast checker → · Palette generator →