#B12331#B12331

#B12331 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.8% C 0.177 H 21.9°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#B12331
RGB	rgb(177, 35, 49)
HSL	hsl(354, 67%, 42%)
HSV	hsv(354, 80%, 69%)
CMYK	cmyk(0%, 80.2%, 72.3%, 30.6%)
CIE-LAB	lab(39.20, 55.91, 28.85)
CIE-LCH	lch(39.20, 62.92, 27.30°)
OKLab	oklab(49.76% 0.1638 0.066)
OKLCH	oklch(49.76% 0.177 21.9)
XYZ	xyz(19.2891, 10.7740, 3.9691)
Luminance	0.1077 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12331 #23B1A3

analogous

#B12378 #B12331 #B15C23

triadic

#B12331 #31B123 #2331B1

tetradic

#B12331 #78B123 #23B1A3 #5C23B1

square

#B12331 #78B123 #23B1A3 #5C23B1

split-complementary

#B12331 #23B15C #2378B1

monochromatic

#4B0F15 #7E1923 #B12331 #D83949 #E26C78

Accessibility & contrast

On white

6.66

#B12331 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#B12331 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12331

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12331	#FFFFFF	#000000	##FFFFFF
##B12331	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4930

Deuteranopia (green-blind)

#72672C

Tritanopia (blue-blind)

#C3002A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b12331;
/* rgb */ color: rgb(177, 35, 49);
/* oklch */ color: oklch(49.8% 0.177 21.9);

Tailwind

colors: {
  custom: {
    50: '#d16c69',
    500: '#b12331',
    950: '#000000',
  },
}

SCSS

$custom: #b12331;
$custom-light: #d16c69;
$custom-dark: #000000;

JSON

{
  "hex": "#b12331",
  "rgb": {
    "r": 177,
    "g": 35,
    "b": 49
  },
  "hsl": {
    "h": 354.085,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49758,
    "c": 0.17656,
    "h": 21.9
  },
  "luminance": 0.10771
}

Semantic roles & 50–950 ramp

primary

#B12331

secondary

#68C8BF

accent

#EAD93E

background

#FEF6F6

surface

#FCECEB

border

#D5C7C6

text

#160806

muted

#847A7A

Preview Lab

Preview with #B12331

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

Preview Lab → · Contrast checker → · Palette generator →