#B42B19#B42B19

#B42B19 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.7% C 0.176 H 31.0°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#B42B19
RGB	rgb(180, 43, 25)
HSL	hsl(7, 76%, 40%)
HSV	hsv(7, 86%, 71%)
CMYK	cmyk(0%, 76.1%, 86.1%, 29.4%)
CIE-LAB	lab(40.42, 53.54, 43.69)
CIE-LCH	lch(40.42, 69.10, 39.21°)
OKLab	oklab(50.69% 0.151 0.0908)
OKLCH	oklch(50.69% 0.176 31)
XYZ	xyz(19.8642, 11.5044, 2.0942)
Luminance	0.1150 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42B19 #19A2B4

analogous

#B41954 #B42B19 #B47919

triadic

#B42B19 #19B42B #2B19B4

tetradic

#B42B19 #54B419 #19A2B4 #7919B4

square

#B42B19 #54B419 #19A2B4 #7919B4

split-complementary

#B42B19 #19B479 #1954B4

monochromatic

#49110A #7E1E12 #B42B19 #E13E29 #E96F5F

Accessibility & contrast

On white

6.36

#B42B19 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#B42B19 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42B19

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42B19	#FFFFFF	#000000	##FFFFFF
##B42B19	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564C15

Deuteranopia (green-blind)

#786A10

Tritanopia (blue-blind)

#C70029

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b42b19;
/* rgb */ color: rgb(180, 43, 25);
/* oklch */ color: oklch(50.7% 0.176 31.0);

Tailwind

colors: {
  custom: {
    50: '#d47059',
    500: '#b42b19',
    950: '#000000',
  },
}

SCSS

$custom: #b42b19;
$custom-light: #d47059;
$custom-dark: #000000;

JSON

{
  "hex": "#b42b19",
  "rgb": {
    "r": 180,
    "g": 43,
    "b": 25
  },
  "hsl": {
    "h": 6.968,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50691,
    "c": 0.17621,
    "h": 31
  },
  "luminance": 0.11501
}

Semantic roles & 50–950 ramp

primary

#B42B19

secondary

#5CC0CD

accent

#DCF236

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160803

muted

#847B78

Preview Lab

Preview with #B42B19

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

Preview Lab → · Contrast checker → · Palette generator →