#B7302E#B7302E

#B7302E is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.9% C 0.172 H 26.2°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#B7302E
RGB	rgb(183, 48, 46)
HSL	hsl(1, 60%, 45%)
HSV	hsv(1, 75%, 72%)
CMYK	cmyk(0%, 73.8%, 74.9%, 28.2%)
CIE-LAB	lab(41.82, 53.45, 33.96)
CIE-LCH	lch(41.82, 63.33, 32.43°)
OKLab	oklab(51.9% 0.1545 0.0761)
OKLCH	oklch(51.9% 0.172 26.2)
XYZ	xyz(21.0810, 12.3817, 3.8641)
Luminance	0.1238 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7302E #2EB5B7

analogous

#B72E70 #B7302E #B7752E

triadic

#B7302E #2EB730 #302EB7

tetradic

#B7302E #70B72E #2EB5B7 #752EB7

square

#B7302E #70B72E #2EB5B7 #752EB7

split-complementary

#B7302E #2EB775 #2E70B7

monochromatic

#551615 #862322 #B7302E #D3514F #DF8280

Accessibility & contrast

On white

6.04

#B7302E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B7302E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7302E

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7302E	#FFFFFF	#000000	##FFFFFF
##B7302E	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58502C

Deuteranopia (green-blind)

#7A6D29

Tritanopia (blue-blind)

#CA0031

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b7302e;
/* rgb */ color: rgb(183, 48, 46);
/* oklch */ color: oklch(51.9% 0.172 26.2);

Tailwind

colors: {
  custom: {
    50: '#d57367',
    500: '#b7302e',
    950: '#000000',
  },
}

SCSS

$custom: #b7302e;
$custom-light: #d57367;
$custom-dark: #000000;

JSON

{
  "hex": "#b7302e",
  "rgb": {
    "r": 183,
    "g": 48,
    "b": 46
  },
  "hsl": {
    "h": 0.876,
    "s": 59.825,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51903,
    "c": 0.17227,
    "h": 26.2
  },
  "luminance": 0.12378
}

Semantic roles & 50–950 ramp

primary

#B7302E

secondary

#79C7C8

accent

#E1E345

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B7302E

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

Preview Lab → · Contrast checker → · Palette generator →