#B12839#B12839

#B12839 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.3% C 0.172 H 19.7°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#B12839
RGB	rgb(177, 40, 57)
HSL	hsl(353, 63%, 43%)
HSV	hsv(353, 77%, 69%)
CMYK	cmyk(0%, 77.4%, 67.8%, 30.6%)
CIE-LAB	lab(39.85, 54.80, 24.72)
CIE-LCH	lch(39.85, 60.12, 24.28°)
OKLab	oklab(50.29% 0.162 0.0582)
OKLCH	oklch(50.29% 0.172 19.7)
XYZ	xyz(19.6309, 11.1631, 4.9911)
Luminance	0.1116 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12839 #28B1A0

analogous

#B1287D #B12839 #B15C28

triadic

#B12839 #39B128 #2839B1

tetradic

#B12839 #7DB128 #28B1A0 #5C28B1

square

#B12839 #7DB128 #28B1A0 #5C28B1

split-complementary

#B12839 #28B15C #287DB1

monochromatic

#4D1119 #7F1D29 #B12839 #D44254 #E07481

Accessibility & contrast

On white

6.50

#B12839 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#B12839 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12839

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12839	#FFFFFF	#000000	##FFFFFF
##B12839	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504B39

Deuteranopia (green-blind)

#736835

Tritanopia (blue-blind)

#C30030

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b12839;
/* rgb */ color: rgb(177, 40, 57);
/* oklch */ color: oklch(50.3% 0.172 19.7);

Tailwind

colors: {
  custom: {
    50: '#d06f6f',
    500: '#b12839',
    950: '#000000',
  },
}

SCSS

$custom: #b12839;
$custom-light: #d06f6f;
$custom-dark: #000000;

JSON

{
  "hex": "#b12839",
  "rgb": {
    "r": 177,
    "g": 40,
    "b": 57
  },
  "hsl": {
    "h": 352.555,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.50285,
    "c": 0.17214,
    "h": 19.7
  },
  "luminance": 0.1116
}

Semantic roles & 50–950 ramp

primary

#B12839

secondary

#6EC7BC

accent

#E6D242

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B12839

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

Preview Lab → · Contrast checker → · Palette generator →