#B42E2E#B42E2E

#B42E2E is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.171 H 25.6°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#B42E2E
RGB	rgb(180, 46, 46)
HSL	hsl(0, 59%, 44%)
HSV	hsv(0, 74%, 71%)
CMYK	cmyk(0%, 74.4%, 74.4%, 29.4%)
CIE-LAB	lab(40.99, 53.21, 32.87)
CIE-LCH	lch(40.99, 62.54, 31.71°)
OKLab	oklab(51.18% 0.1541 0.074)
OKLCH	oklch(51.18% 0.171 25.6)
XYZ	xyz(20.2949, 11.8577, 3.8044)
Luminance	0.1186 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42E2E #2EB4B4

analogous

#B42E71 #B42E2E #B4712E

triadic

#B42E2E #2EB42E #2E2EB4

tetradic

#B42E2E #71B42E #2EB4B4 #712EB4

square

#B42E2E #71B42E #2EB4B4 #712EB4

split-complementary

#B42E2E #2EB471 #2E71B4

monochromatic

#531515 #832222 #B42E2E #D24E4E #DE7E7E

Accessibility & contrast

On white

6.23

#B42E2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#B42E2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42E2E

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42E2E	#FFFFFF	#000000	##FFFFFF
##B42E2E	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E2C

Deuteranopia (green-blind)

#776B29

Tritanopia (blue-blind)

#C60030

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b42e2e;
/* rgb */ color: rgb(180, 46, 46);
/* oklch */ color: oklch(51.2% 0.171 25.6);

Tailwind

colors: {
  custom: {
    50: '#d37167',
    500: '#b42e2e',
    950: '#000000',
  },
}

SCSS

$custom: #b42e2e;
$custom-light: #d37167;
$custom-dark: #000000;

JSON

{
  "hex": "#b42e2e",
  "rgb": {
    "r": 180,
    "g": 46,
    "b": 46
  },
  "hsl": {
    "h": 0,
    "s": 59.292,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51182,
    "c": 0.17096,
    "h": 25.6
  },
  "luminance": 0.11855
}

Semantic roles & 50–950 ramp

primary

#B42E2E

secondary

#77C7C7

accent

#E2E245

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B42E2E

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

Preview Lab → · Contrast checker → · Palette generator →