#B12939#B12939

#B12939 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.4% C 0.171 H 20.0°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#B12939
RGB	rgb(177, 41, 57)
HSL	hsl(353, 62%, 43%)
HSV	hsv(353, 77%, 69%)
CMYK	cmyk(0%, 76.8%, 67.8%, 30.6%)
CIE-LAB	lab(39.97, 54.49, 24.86)
CIE-LCH	lch(39.97, 59.89, 24.53°)
OKLab	oklab(50.37% 0.161 0.0585)
OKLCH	oklch(50.37% 0.171 20)
XYZ	xyz(19.6651, 11.2314, 5.0025)
Luminance	0.1123 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12939 #29B1A1

analogous

#B1297D #B12939 #B15D29

triadic

#B12939 #39B129 #2939B1

tetradic

#B12939 #7DB129 #29B1A1 #5D29B1

square

#B12939 #7DB129 #29B1A1 #5D29B1

split-complementary

#B12939 #29B15D #297DB1

monochromatic

#4E1219 #7F1D29 #B12939 #D44455 #DF7582

Accessibility & contrast

On white

6.47

#B12939 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#B12939 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12939

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12939	#FFFFFF	#000000	##FFFFFF
##B12939	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514C39

Deuteranopia (green-blind)

#736935

Tritanopia (blue-blind)

#C30030

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b12939;
/* rgb */ color: rgb(177, 41, 57);
/* oklch */ color: oklch(50.4% 0.171 20.0);

Tailwind

colors: {
  custom: {
    50: '#d06f6f',
    500: '#b12939',
    950: '#000000',
  },
}

SCSS

$custom: #b12939;
$custom-light: #d06f6f;
$custom-dark: #000000;

JSON

{
  "hex": "#b12939",
  "rgb": {
    "r": 177,
    "g": 41,
    "b": 57
  },
  "hsl": {
    "h": 352.941,
    "s": 62.385,
    "l": 42.745
  },
  "oklch": {
    "l": 0.50369,
    "c": 0.17129,
    "h": 20
  },
  "luminance": 0.11228
}

Semantic roles & 50–950 ramp

primary

#B12939

secondary

#6FC7BC

accent

#E5D242

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B12939

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

Preview Lab → · Contrast checker → · Palette generator →