#B12937#B12937

#B12937 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.3% C 0.171 H 20.8°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#B12937
RGB	rgb(177, 41, 55)
HSL	hsl(354, 62%, 43%)
HSV	hsv(354, 77%, 69%)
CMYK	cmyk(0%, 76.8%, 68.9%, 30.6%)
CIE-LAB	lab(39.93, 54.38, 26.06)
CIE-LCH	lch(39.93, 60.30, 25.60°)
OKLab	oklab(50.33% 0.1602 0.0608)
OKLCH	oklch(50.33% 0.171 20.8)
XYZ	xyz(19.6162, 11.2118, 4.7449)
Luminance	0.1121 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12937 #29B1A3

analogous

#B1297B #B12937 #B15F29

triadic

#B12937 #37B129 #2937B1

tetradic

#B12937 #7BB129 #29B1A3 #5F29B1

square

#B12937 #7BB129 #29B1A3 #5F29B1

split-complementary

#B12937 #29B15F #297BB1

monochromatic

#4E1218 #7F1D28 #B12937 #D44452 #DF7580

Accessibility & contrast

On white

6.48

#B12937 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#B12937 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12937

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12937	#FFFFFF	#000000	##FFFFFF
##B12937	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514C36

Deuteranopia (green-blind)

#736933

Tritanopia (blue-blind)

#C30030

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b12937;
/* rgb */ color: rgb(177, 41, 55);
/* oklch */ color: oklch(50.3% 0.171 20.8);

Tailwind

colors: {
  custom: {
    50: '#d06f6d',
    500: '#b12937',
    950: '#000000',
  },
}

SCSS

$custom: #b12937;
$custom-light: #d06f6d;
$custom-dark: #000000;

JSON

{
  "hex": "#b12937",
  "rgb": {
    "r": 177,
    "g": 41,
    "b": 55
  },
  "hsl": {
    "h": 353.824,
    "s": 62.385,
    "l": 42.745
  },
  "oklch": {
    "l": 0.50335,
    "c": 0.17139,
    "h": 20.8
  },
  "luminance": 0.11209
}

Semantic roles & 50–950 ramp

primary

#B12937

secondary

#6FC7BE

accent

#E5D542

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #B12937

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

Preview Lab → · Contrast checker → · Palette generator →