#B42F3C#B42F3C

#B42F3C is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.5% C 0.169 H 20.3°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#B42F3C
RGB	rgb(180, 47, 60)
HSL	hsl(354, 59%, 45%)
HSV	hsv(354, 74%, 71%)
CMYK	cmyk(0%, 73.9%, 66.7%, 29.4%)
CIE-LAB	lab(41.32, 53.54, 24.83)
CIE-LCH	lch(41.32, 59.02, 24.88°)
OKLab	oklab(51.5% 0.1582 0.0587)
OKLCH	oklch(51.5% 0.169 20.3)
XYZ	xyz(20.6567, 12.0657, 5.5153)
Luminance	0.1206 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42F3C #2FB4A7

analogous

#B42F7F #B42F3C #B4642F

triadic

#B42F3C #3CB42F #2F3CB4

tetradic

#B42F3C #7FB42F #2FB4A7 #642FB4

square

#B42F3C #7FB42F #2FB4A7 #642FB4

split-complementary

#B42F3C #2FB464 #2F7FB4

monochromatic

#53161C #83222C #B42F3C #D14F5C #DE8089

Accessibility & contrast

On white

6.15

#B42F3C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B42F3C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42F3C

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42F3C	#FFFFFF	#000000	##FFFFFF
##B42F3C	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554F3B

Deuteranopia (green-blind)

#766C38

Tritanopia (blue-blind)

#C60035

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b42f3c;
/* rgb */ color: rgb(180, 47, 60);
/* oklch */ color: oklch(51.5% 0.169 20.3);

Tailwind

colors: {
  custom: {
    50: '#d27271',
    500: '#b42f3c',
    950: '#000000',
  },
}

SCSS

$custom: #b42f3c;
$custom-light: #d27271;
$custom-dark: #000000;

JSON

{
  "hex": "#b42f3c",
  "rgb": {
    "r": 180,
    "g": 47,
    "b": 60
  },
  "hsl": {
    "h": 354.135,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51495,
    "c": 0.16876,
    "h": 20.3
  },
  "luminance": 0.12063
}

Semantic roles & 50–950 ramp

primary

#B42F3C

secondary

#78C7BF

accent

#E2D346

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B42F3C

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

Preview Lab → · Contrast checker → · Palette generator →