#B12339#B12339

#B12339 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.9% C 0.176 H 18.8°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#B12339
RGB	rgb(177, 35, 57)
HSL	hsl(351, 67%, 42%)
HSV	hsv(351, 80%, 69%)
CMYK	cmyk(0%, 80.2%, 67.8%, 30.6%)
CIE-LAB	lab(39.32, 56.30, 24.06)
CIE-LCH	lch(39.32, 61.23, 23.14°)
OKLab	oklab(49.89% 0.1668 0.0567)
OKLCH	oklch(49.89% 0.176 18.8)
XYZ	xyz(19.4732, 10.8476, 4.9385)
Luminance	0.1085 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12339 #23B19B

analogous

#B12380 #B12339 #B15423

triadic

#B12339 #39B123 #2339B1

tetradic

#B12339 #80B123 #23B19B #5423B1

square

#B12339 #80B123 #23B19B #5423B1

split-complementary

#B12339 #23B154 #2380B1

monochromatic

#4B0F18 #7E1929 #B12339 #D83952 #E26C7F

Accessibility & contrast

On white

6.63

#B12339 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#B12339 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12339

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12339	#FFFFFF	#000000	##FFFFFF
##B12339	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4A39

Deuteranopia (green-blind)

#716735

Tritanopia (blue-blind)

#C3002D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b12339;
/* rgb */ color: rgb(177, 35, 57);
/* oklch */ color: oklch(49.9% 0.176 18.8);

Tailwind

colors: {
  custom: {
    50: '#d06d6f',
    500: '#b12339',
    950: '#000000',
  },
}

SCSS

$custom: #b12339;
$custom-light: #d06d6f;
$custom-dark: #000000;

JSON

{
  "hex": "#b12339",
  "rgb": {
    "r": 177,
    "g": 35,
    "b": 57
  },
  "hsl": {
    "h": 350.704,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49891,
    "c": 0.17618,
    "h": 18.8
  },
  "luminance": 0.10845
}

Semantic roles & 50–950 ramp

primary

#B12339

secondary

#68C8B9

accent

#EACF3E

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B12339

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

Preview Lab → · Contrast checker → · Palette generator →