#B42B2F#B42B2F

#B42B2F is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.9% C 0.173 H 24.5°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#B42B2F
RGB	rgb(180, 43, 47)
HSL	hsl(358, 61%, 44%)
HSV	hsv(358, 76%, 71%)
CMYK	cmyk(0%, 76.1%, 73.9%, 29.4%)
CIE-LAB	lab(40.64, 54.27, 31.88)
CIE-LCH	lch(40.64, 62.94, 30.44°)
OKLab	oklab(50.92% 0.1577 0.072)
OKLCH	oklch(50.92% 0.173 24.5)
XYZ	xyz(20.2017, 11.6394, 3.8717)
Luminance	0.1164 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42B2F #2BB4B0

analogous

#B42B73 #B42B2F #B46B2B

triadic

#B42B2F #2FB42B #2B2FB4

tetradic

#B42B2F #73B42B #2BB4B0 #6B2BB4

square

#B42B2F #73B42B #2BB4B0 #6B2BB4

split-complementary

#B42B2F #2BB46B #2B73B4

monochromatic

#511315 #831F22 #B42B2F #D3494D #DF7A7D

Accessibility & contrast

On white

6.31

#B42B2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#B42B2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42B2F

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42B2F	#FFFFFF	#000000	##FFFFFF
##B42B2F	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544D2E

Deuteranopia (green-blind)

#766A2A

Tritanopia (blue-blind)

#C6002E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b42b2f;
/* rgb */ color: rgb(180, 43, 47);
/* oklch */ color: oklch(50.9% 0.173 24.5);

Tailwind

colors: {
  custom: {
    50: '#d37068',
    500: '#b42b2f',
    950: '#000000',
  },
}

SCSS

$custom: #b42b2f;
$custom-light: #d37068;
$custom-dark: #000000;

JSON

{
  "hex": "#b42b2f",
  "rgb": {
    "r": 180,
    "g": 43,
    "b": 47
  },
  "hsl": {
    "h": 358.248,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.50924,
    "c": 0.17337,
    "h": 24.5
  },
  "luminance": 0.11636
}

Semantic roles & 50–950 ramp

primary

#B42B2F

secondary

#73C7C5

accent

#E5E043

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B42B2F

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

Preview Lab → · Contrast checker → · Palette generator →