#B42F38#B42F38

#B42F38 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.169 H 22.0°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B42F38
RGB	rgb(180, 47, 56)
HSL	hsl(356, 59%, 45%)
HSV	hsv(356, 74%, 71%)
CMYK	cmyk(0%, 73.9%, 68.9%, 29.4%)
CIE-LAB	lab(41.26, 53.33, 27.20)
CIE-LCH	lch(41.26, 59.86, 27.02°)
OKLab	oklab(51.43% 0.1567 0.0634)
OKLCH	oklch(51.43% 0.169 22)
XYZ	xyz(20.5550, 12.0249, 4.9793)
Luminance	0.1202 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42F38 #2FB4AB

analogous

#B42F7B #B42F38 #B4692F

triadic

#B42F38 #38B42F #2F38B4

tetradic

#B42F38 #7BB42F #2FB4AB #692FB4

square

#B42F38 #7BB42F #2FB4AB #692FB4

split-complementary

#B42F38 #2FB469 #2F7BB4

monochromatic

#53161A #832229 #B42F38 #D14F58 #DE8086

Accessibility & contrast

On white

6.17

#B42F38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B42F38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42F38

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42F38	#FFFFFF	#000000	##FFFFFF
##B42F38	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554F37

Deuteranopia (green-blind)

#776C34

Tritanopia (blue-blind)

#C60034

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b42f38;
/* rgb */ color: rgb(180, 47, 56);
/* oklch */ color: oklch(51.4% 0.169 22.0);

Tailwind

colors: {
  custom: {
    50: '#d2726e',
    500: '#b42f38',
    950: '#000000',
  },
}

SCSS

$custom: #b42f38;
$custom-light: #d2726e;
$custom-dark: #000000;

JSON

{
  "hex": "#b42f38",
  "rgb": {
    "r": 180,
    "g": 47,
    "b": 56
  },
  "hsl": {
    "h": 355.94,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51426,
    "c": 0.16903,
    "h": 22
  },
  "luminance": 0.12022
}

Semantic roles & 50–950 ramp

primary

#B42F38

secondary

#78C7C1

accent

#E2D746

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B42F38

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

Preview Lab → · Contrast checker → · Palette generator →