#B42C15#B42C15

#B42C15 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.8% C 0.176 H 32.1°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#B42C15
RGB	rgb(180, 44, 21)
HSL	hsl(9, 79%, 39%)
HSV	hsv(9, 88%, 71%)
CMYK	cmyk(0%, 75.6%, 88.3%, 29.4%)
CIE-LAB	lab(40.51, 53.12, 45.60)
CIE-LCH	lch(40.51, 70.01, 40.64°)
OKLab	oklab(50.75% 0.1491 0.0934)
OKLCH	oklch(50.75% 0.176 32.1)
XYZ	xyz(19.8609, 11.5620, 1.8953)
Luminance	0.1156 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42C15 #159DB4

analogous

#B4154E #B42C15 #B47B15

triadic

#B42C15 #15B42C #2C15B4

tetradic

#B42C15 #4EB415 #159DB4 #7B15B4

square

#B42C15 #4EB415 #159DB4 #7B15B4

split-complementary

#B42C15 #15B47B #154EB4

monochromatic

#461108 #7D1F0F #B42C15 #E53D21 #EC6D58

Accessibility & contrast

On white

6.34

#B42C15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#B42C15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42C15

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42C15	#FFFFFF	#000000	##FFFFFF
##B42C15	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574C0F

Deuteranopia (green-blind)

#786A0A

Tritanopia (blue-blind)

#C70029

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b42c15;
/* rgb */ color: rgb(180, 44, 21);
/* oklch */ color: oklch(50.8% 0.176 32.1);

Tailwind

colors: {
  custom: {
    50: '#d57056',
    500: '#b42c15',
    950: '#000000',
  },
}

SCSS

$custom: #b42c15;
$custom-light: #d57056;
$custom-dark: #000000;

JSON

{
  "hex": "#b42c15",
  "rgb": {
    "r": 180,
    "g": 44,
    "b": 21
  },
  "hsl": {
    "h": 8.679,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.50753,
    "c": 0.17595,
    "h": 32.1
  },
  "luminance": 0.11559
}

Semantic roles & 50–950 ramp

primary

#B42C15

secondary

#56BDCF

accent

#D9F632

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160803

muted

#847B78

Preview Lab

Preview with #B42C15

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

Preview Lab → · Contrast checker → · Palette generator →