#B4303E#B4303E

#B4303E is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.6% C 0.168 H 19.7°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#B4303E
RGB	rgb(180, 48, 62)
HSL	hsl(354, 58%, 45%)
HSV	hsv(354, 73%, 71%)
CMYK	cmyk(0%, 73.3%, 65.6%, 29.4%)
CIE-LAB	lab(41.48, 53.30, 23.80)
CIE-LCH	lch(41.48, 58.38, 24.06°)
OKLab	oklab(51.63% 0.1579 0.0566)
OKLCH	oklch(51.63% 0.168 19.7)
XYZ	xyz(20.7510, 12.1681, 5.8125)
Luminance	0.1216 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4303E #30B4A6

analogous

#B43080 #B4303E #B46430

triadic

#B4303E #3EB430 #303EB4

tetradic

#B4303E #80B430 #30B4A6 #6430B4

square

#B4303E #80B430 #30B4A6 #6430B4

split-complementary

#B4303E #30B464 #3080B4

monochromatic

#53161D #84232D #B4303E #D1515E #DD818B

Accessibility & contrast

On white

6.12

#B4303E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B4303E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4303E

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4303E	#FFFFFF	#000000	##FFFFFF
##B4303E	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55503E

Deuteranopia (green-blind)

#766C3A

Tritanopia (blue-blind)

#C60036

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b4303e;
/* rgb */ color: rgb(180, 48, 62);
/* oklch */ color: oklch(51.6% 0.168 19.7);

Tailwind

colors: {
  custom: {
    50: '#d27373',
    500: '#b4303e',
    950: '#000000',
  },
}

SCSS

$custom: #b4303e;
$custom-light: #d27373;
$custom-dark: #000000;

JSON

{
  "hex": "#b4303e",
  "rgb": {
    "r": 180,
    "g": 48,
    "b": 62
  },
  "hsl": {
    "h": 353.636,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51626,
    "c": 0.16772,
    "h": 19.7
  },
  "luminance": 0.12165
}

Semantic roles & 50–950 ramp

primary

#B4303E

secondary

#79C6BE

accent

#E1D147

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #B4303E

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

Preview Lab → · Contrast checker → · Palette generator →