#B42E11#B42E11

#B42E11 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.9% C 0.175 H 33.3°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#B42E11
RGB	rgb(180, 46, 17)
HSL	hsl(11, 83%, 39%)
HSV	hsv(11, 91%, 71%)
CMYK	cmyk(0%, 74.4%, 90.6%, 29.4%)
CIE-LAB	lab(40.74, 52.36, 47.44)
CIE-LCH	lch(40.74, 70.65, 42.18°)
OKLab	oklab(50.91% 0.1462 0.096)
OKLCH	oklch(50.91% 0.175 33.3)
XYZ	xyz(19.9030, 11.7009, 1.7407)
Luminance	0.1170 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42E11 #1197B4

analogous

#B41145 #B42E11 #B47F11

triadic

#B42E11 #11B42E #2E11B4

tetradic

#B42E11 #45B411 #1197B4 #7F11B4

square

#B42E11 #45B411 #1197B4 #7F11B4

split-complementary

#B42E11 #11B47F #1145B4

monochromatic

#441106 #7C200C #B42E11 #E93E19 #EF6D51

Accessibility & contrast

On white

6.29

#B42E11 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#B42E11 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42E11

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42E11	#FFFFFF	#000000	##FFFFFF
##B42E11	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	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: #b42e11;
/* rgb */ color: rgb(180, 46, 17);
/* oklch */ color: oklch(50.9% 0.175 33.3);

Tailwind

colors: {
  custom: {
    50: '#d57154',
    500: '#b42e11',
    950: '#000000',
  },
}

SCSS

$custom: #b42e11;
$custom-light: #d57154;
$custom-dark: #000000;

JSON

{
  "hex": "#b42e11",
  "rgb": {
    "r": 180,
    "g": 46,
    "b": 17
  },
  "hsl": {
    "h": 10.675,
    "s": 82.741,
    "l": 38.627
  },
  "oklch": {
    "l": 0.50914,
    "c": 0.17488,
    "h": 33.3
  },
  "luminance": 0.11698
}

Semantic roles & 50–950 ramp

primary

#B42E11

secondary

#50BAD0

accent

#D5F92F

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160803

muted

#847B78

Preview Lab

Preview with #B42E11

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

Preview Lab → · Contrast checker → · Palette generator →