#B42E2F#B42E2F

#B42E2F is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.171 H 25.3°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#B42E2F
RGB	rgb(180, 46, 47)
HSL	hsl(360, 59%, 44%)
HSV	hsv(360, 74%, 71%)
CMYK	cmyk(0%, 74.4%, 73.9%, 29.4%)
CIE-LAB	lab(41.00, 53.25, 32.30)
CIE-LCH	lch(41.00, 62.28, 31.24°)
OKLab	oklab(51.2% 0.1545 0.0729)
OKLCH	oklch(51.2% 0.171 25.3)
XYZ	xyz(20.3148, 11.8657, 3.9094)
Luminance	0.1186 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42E2F #2EB4B3

analogous

#B42E72 #B42E2F #B4702E

triadic

#B42E2F #2FB42E #2E2FB4

tetradic

#B42E2F #72B42E #2EB4B3 #702EB4

square

#B42E2F #72B42E #2EB4B3 #702EB4

split-complementary

#B42E2F #2EB470 #2E72B4

monochromatic

#531516 #832222 #B42E2F #D24E4F #DE7E7F

Accessibility & contrast

On white

6.23

#B42E2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#B42E2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42E2F

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42E2F	#FFFFFF	#000000	##FFFFFF
##B42E2F	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)

#564E2E

Deuteranopia (green-blind)

#776B2A

Tritanopia (blue-blind)

#C60030

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b42e2f;
/* rgb */ color: rgb(180, 46, 47);
/* oklch */ color: oklch(51.2% 0.171 25.3);

Tailwind

colors: {
  custom: {
    50: '#d37168',
    500: '#b42e2f',
    950: '#000000',
  },
}

SCSS

$custom: #b42e2f;
$custom-light: #d37168;
$custom-dark: #000000;

JSON

{
  "hex": "#b42e2f",
  "rgb": {
    "r": 180,
    "g": 46,
    "b": 47
  },
  "hsl": {
    "h": 359.552,
    "s": 59.292,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51196,
    "c": 0.17083,
    "h": 25.3
  },
  "luminance": 0.11863
}

Semantic roles & 50–950 ramp

primary

#B42E2F

secondary

#77C7C6

accent

#E2E145

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B42E2F

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

Preview Lab → · Contrast checker → · Palette generator →