#B42F3F#B42F3F

#B42F3F is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.5% C 0.169 H 19.0°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#B42F3F
RGB	rgb(180, 47, 63)
HSL	hsl(353, 59%, 45%)
HSV	hsv(353, 74%, 71%)
CMYK	cmyk(0%, 73.9%, 65%, 29.4%)
CIE-LAB	lab(41.37, 53.72, 23.04)
CIE-LCH	lch(41.37, 58.45, 23.22°)
OKLab	oklab(51.55% 0.1594 0.055)
OKLCH	oklch(51.55% 0.169 19)
XYZ	xyz(20.7383, 12.0983, 5.9449)
Luminance	0.1210 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42F3F #2FB4A4

analogous

#B42F82 #B42F3F #B4622F

triadic

#B42F3F #3FB42F #2F3FB4

tetradic

#B42F3F #82B42F #2FB4A4 #622FB4

square

#B42F3F #82B42F #2FB4A4 #622FB4

split-complementary

#B42F3F #2FB462 #2F82B4

monochromatic

#53161D #83222E #B42F3F #D14F5F #DE808B

Accessibility & contrast

On white

6.14

#B42F3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#B42F3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42F3F

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42F3F	#FFFFFF	#000000	##FFFFFF
##B42F3F	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54503F

Deuteranopia (green-blind)

#766C3B

Tritanopia (blue-blind)

#C60036

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b42f3f;
/* rgb */ color: rgb(180, 47, 63);
/* oklch */ color: oklch(51.5% 0.169 19.0);

Tailwind

colors: {
  custom: {
    50: '#d27273',
    500: '#b42f3f',
    950: '#000000',
  },
}

SCSS

$custom: #b42f3f;
$custom-light: #d27273;
$custom-dark: #000000;

JSON

{
  "hex": "#b42f3f",
  "rgb": {
    "r": 180,
    "g": 47,
    "b": 63
  },
  "hsl": {
    "h": 352.782,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.5155,
    "c": 0.16863,
    "h": 19
  },
  "luminance": 0.12095
}

Semantic roles & 50–950 ramp

primary

#B42F3F

secondary

#78C7BD

accent

#E2CF46

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B42F3F

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

Preview Lab → · Contrast checker → · Palette generator →