#B32117#B32117

#B32117 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.7% C 0.183 H 29.4°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#B32117
RGB	rgb(179, 33, 23)
HSL	hsl(4, 77%, 40%)
HSV	hsv(4, 87%, 70%)
CMYK	cmyk(0%, 81.6%, 87.2%, 29.8%)
CIE-LAB	lab(39.13, 56.20, 43.48)
CIE-LCH	lch(39.13, 71.06, 37.73°)
OKLab	oklab(49.7% 0.1591 0.0895)
OKLCH	oklch(49.7% 0.183 29.4)
XYZ	xyz(19.2914, 10.7365, 1.8671)
Luminance	0.1073 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B32117 #17A9B3

analogous

#B3175B #B32117 #B36F17

triadic

#B32117 #17B321 #2117B3

tetradic

#B32117 #5BB317 #17A9B3 #6F17B3

square

#B32117 #5BB317 #17A9B3 #6F17B3

split-complementary

#B32117 #17B36F #175BB3

monochromatic

#470D09 #7D1710 #B32117 #E33124 #EA645B

Accessibility & contrast

On white

6.67

#B32117 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#B32117 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B32117

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B32117	#FFFFFF	#000000	##FFFFFF
##B32117	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514813

Deuteranopia (green-blind)

#75670C

Tritanopia (blue-blind)

#C60021

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b32117;
/* rgb */ color: rgb(179, 33, 23);
/* oklch */ color: oklch(49.7% 0.183 29.4);

Tailwind

colors: {
  custom: {
    50: '#d46c57',
    500: '#b32117',
    950: '#000000',
  },
}

SCSS

$custom: #b32117;
$custom-light: #d46c57;
$custom-dark: #000000;

JSON

{
  "hex": "#b32117",
  "rgb": {
    "r": 179,
    "g": 33,
    "b": 23
  },
  "hsl": {
    "h": 3.846,
    "s": 77.228,
    "l": 39.608
  },
  "oklch": {
    "l": 0.49695,
    "c": 0.18252,
    "h": 29.4
  },
  "luminance": 0.10733
}

Semantic roles & 50–950 ramp

primary

#B32117

secondary

#58C6CD

accent

#E7F434

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160803

muted

#847A78

Preview Lab

Preview with #B32117

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

Preview Lab → · Contrast checker → · Palette generator →