#B42E2B#B42E2B

#B42E2B is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.1% C 0.171 H 26.7°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#B42E2B
RGB	rgb(180, 46, 43)
HSL	hsl(1, 61%, 44%)
HSV	hsv(1, 76%, 71%)
CMYK	cmyk(0%, 74.4%, 76.1%, 29.4%)
CIE-LAB	lab(40.95, 53.08, 34.58)
CIE-LCH	lch(40.95, 63.35, 33.08°)
OKLab	oklab(51.14% 0.1531 0.0769)
OKLCH	oklch(51.14% 0.171 26.7)
XYZ	xyz(20.2378, 11.8348, 3.5038)
Luminance	0.1183 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42E2B #2BB1B4

analogous

#B42B6C #B42E2B #B4722B

triadic

#B42E2B #2BB42E #2E2BB4

tetradic

#B42E2B #6CB42B #2BB1B4 #722BB4

square

#B42E2B #6CB42B #2BB1B4 #722BB4

split-complementary

#B42E2B #2BB472 #2B6CB4

monochromatic

#511513 #83211F #B42E2B #D34C49 #DF7C7A

Accessibility & contrast

On white

6.24

#B42E2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#B42E2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42E2B

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42E2B	#FFFFFF	#000000	##FFFFFF
##B42E2B	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E29

Deuteranopia (green-blind)

#776B26

Tritanopia (blue-blind)

#C6002F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b42e2b;
/* rgb */ color: rgb(180, 46, 43);
/* oklch */ color: oklch(51.1% 0.171 26.7);

Tailwind

colors: {
  custom: {
    50: '#d37165',
    500: '#b42e2b',
    950: '#000000',
  },
}

SCSS

$custom: #b42e2b;
$custom-light: #d37165;
$custom-dark: #000000;

JSON

{
  "hex": "#b42e2b",
  "rgb": {
    "r": 180,
    "g": 46,
    "b": 43
  },
  "hsl": {
    "h": 1.314,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51143,
    "c": 0.17135,
    "h": 26.7
  },
  "luminance": 0.11832
}

Semantic roles & 50–950 ramp

primary

#B42E2B

secondary

#73C6C7

accent

#E1E543

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B42E2B

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

Preview Lab → · Contrast checker → · Palette generator →