#B12637#B12637

#B12637 is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.1% C 0.174 H 20.2°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#B12637
RGB	rgb(177, 38, 55)
HSL	hsl(353, 65%, 42%)
HSV	hsv(353, 79%, 69%)
CMYK	cmyk(0%, 78.5%, 68.9%, 30.6%)
CIE-LAB	lab(39.60, 55.32, 25.65)
CIE-LCH	lch(39.60, 60.98, 24.87°)
OKLab	oklab(50.09% 0.1632 0.0599)
OKLCH	oklch(50.09% 0.174 20.2)
XYZ	xyz(19.5164, 11.0122, 4.7116)
Luminance	0.1101 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12637 #26B1A0

analogous

#B1267D #B12637 #B15B26

triadic

#B12637 #37B126 #2637B1

tetradic

#B12637 #7DB126 #26B1A0 #5B26B1

square

#B12637 #7DB126 #26B1A0 #5B26B1

split-complementary

#B12637 #26B15B #267DB1

monochromatic

#4C1018 #7F1B27 #B12637 #D63F51 #E0717F

Accessibility & contrast

On white

6.56

#B12637 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#B12637 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12637

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12637	#FFFFFF	#000000	##FFFFFF
##B12637	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504A37

Deuteranopia (green-blind)

#726833

Tritanopia (blue-blind)

#C3002E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b12637;
/* rgb */ color: rgb(177, 38, 55);
/* oklch */ color: oklch(50.1% 0.174 20.2);

Tailwind

colors: {
  custom: {
    50: '#d06e6d',
    500: '#b12637',
    950: '#000000',
  },
}

SCSS

$custom: #b12637;
$custom-light: #d06e6d;
$custom-dark: #000000;

JSON

{
  "hex": "#b12637",
  "rgb": {
    "r": 177,
    "g": 38,
    "b": 55
  },
  "hsl": {
    "h": 352.662,
    "s": 64.651,
    "l": 42.157
  },
  "oklch": {
    "l": 0.50087,
    "c": 0.17388,
    "h": 20.2
  },
  "luminance": 0.11009
}

Semantic roles & 50–950 ramp

primary

#B12637

secondary

#6BC7BC

accent

#E8D340

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #B12637

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

Preview Lab → · Contrast checker → · Palette generator →