#B42931#B42931

#B42931 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.8% C 0.175 H 23.4°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#B42931
RGB	rgb(180, 41, 49)
HSL	hsl(357, 63%, 43%)
HSV	hsv(357, 77%, 71%)
CMYK	cmyk(0%, 77.2%, 72.8%, 29.4%)
CIE-LAB	lab(40.43, 55.00, 30.45)
CIE-LCH	lch(40.43, 62.87, 28.97°)
OKLab	oklab(50.78% 0.1605 0.0693)
OKLCH	oklch(50.78% 0.175 23.4)
XYZ	xyz(20.1720, 11.5141, 4.0654)
Luminance	0.1151 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42931 #29B4AC

analogous

#B42976 #B42931 #B46629

triadic

#B42931 #31B429 #2931B4

tetradic

#B42931 #76B429 #29B4AC #6629B4

square

#B42931 #76B429 #29B4AC #6629B4

split-complementary

#B42931 #29B466 #2976B4

monochromatic

#501216 #821E23 #B42931 #D5454E #E0777D

Accessibility & contrast

On white

6.36

#B42931 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#B42931 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42931

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42931	#FFFFFF	#000000	##FFFFFF
##B42931	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)

#534C30

Deuteranopia (green-blind)

#766A2C

Tritanopia (blue-blind)

#C6002E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b42931;
/* rgb */ color: rgb(180, 41, 49);
/* oklch */ color: oklch(50.8% 0.175 23.4);

Tailwind

colors: {
  custom: {
    50: '#d36f69',
    500: '#b42931',
    950: '#000000',
  },
}

SCSS

$custom: #b42931;
$custom-light: #d36f69;
$custom-dark: #000000;

JSON

{
  "hex": "#b42931",
  "rgb": {
    "r": 180,
    "g": 41,
    "b": 49
  },
  "hsl": {
    "h": 356.547,
    "s": 62.896,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50781,
    "c": 0.17481,
    "h": 23.4
  },
  "luminance": 0.11511
}

Semantic roles & 50–950 ramp

primary

#B42931

secondary

#71C8C3

accent

#E6DD42

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B42931

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

Preview Lab → · Contrast checker → · Palette generator →