#B42A15#B42A15

#B42A15 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.6% C 0.177 H 31.6°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#B42A15
RGB	rgb(180, 42, 21)
HSL	hsl(8, 79%, 39%)
HSV	hsv(8, 88%, 71%)
CMYK	cmyk(0%, 76.7%, 88.3%, 29.4%)
CIE-LAB	lab(40.27, 53.78, 45.41)
CIE-LCH	lch(40.27, 70.39, 40.18°)
OKLab	oklab(50.58% 0.1512 0.093)
OKLCH	oklch(50.58% 0.177 31.6)
XYZ	xyz(19.7882, 11.4166, 1.8710)
Luminance	0.1141 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42A15 #159FB4

analogous

#B4154F #B42A15 #B47A15

triadic

#B42A15 #15B42A #2A15B4

tetradic

#B42A15 #4FB415 #159FB4 #7A15B4

square

#B42A15 #4FB415 #159FB4 #7A15B4

split-complementary

#B42A15 #15B47A #154FB4

monochromatic

#461008 #7D1D0F #B42A15 #E53B21 #EC6B58

Accessibility & contrast

On white

6.40

#B42A15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#B42A15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42A15

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42A15	#FFFFFF	#000000	##FFFFFF
##B42A15	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564B10

Deuteranopia (green-blind)

#776A09

Tritanopia (blue-blind)

#C70027

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b42a15;
/* rgb */ color: rgb(180, 42, 21);
/* oklch */ color: oklch(50.6% 0.177 31.6);

Tailwind

colors: {
  custom: {
    50: '#d56f56',
    500: '#b42a15',
    950: '#000000',
  },
}

SCSS

$custom: #b42a15;
$custom-light: #d56f56;
$custom-dark: #000000;

JSON

{
  "hex": "#b42a15",
  "rgb": {
    "r": 180,
    "g": 42,
    "b": 21
  },
  "hsl": {
    "h": 7.925,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.50575,
    "c": 0.17746,
    "h": 31.6
  },
  "luminance": 0.11413
}

Semantic roles & 50–950 ramp

primary

#B42A15

secondary

#56BFCF

accent

#DCF632

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160803

muted

#847B78

Preview Lab

Preview with #B42A15

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

Preview Lab → · Contrast checker → · Palette generator →