#B12E37#B12E37

#B12E37 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.8% C 0.167 H 22.0°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#B12E37
RGB	rgb(177, 46, 55)
HSL	hsl(356, 59%, 44%)
HSV	hsv(356, 74%, 69%)
CMYK	cmyk(0%, 74%, 68.9%, 30.6%)
CIE-LAB	lab(40.54, 52.69, 26.80)
CIE-LCH	lch(40.54, 59.12, 26.96°)
OKLab	oklab(50.79% 0.1548 0.0625)
OKLCH	oklch(50.79% 0.167 22)
XYZ	xyz(19.8002, 11.5799, 4.8062)
Luminance	0.1158 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12E37 #2EB1A8

analogous

#B12E78 #B12E37 #B1662E

triadic

#B12E37 #37B12E #2E37B1

tetradic

#B12E37 #78B12E #2EB1A8 #662EB1

square

#B12E37 #78B12E #2EB1A8 #662EB1

split-complementary

#B12E37 #2EB166 #2E78B1

monochromatic

#501519 #802128 #B12E37 #D04C55 #DD7C83

Accessibility & contrast

On white

6.33

#B12E37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#B12E37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12E37

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12E37	#FFFFFF	#000000	##FFFFFF
##B12E37	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544E36

Deuteranopia (green-blind)

#756A33

Tritanopia (blue-blind)

#C30033

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b12e37;
/* rgb */ color: rgb(177, 46, 55);
/* oklch */ color: oklch(50.8% 0.167 22.0);

Tailwind

colors: {
  custom: {
    50: '#d0716d',
    500: '#b12e37',
    950: '#000000',
  },
}

SCSS

$custom: #b12e37;
$custom-light: #d0716d;
$custom-dark: #000000;

JSON

{
  "hex": "#b12e37",
  "rgb": {
    "r": 177,
    "g": 46,
    "b": 55
  },
  "hsl": {
    "h": 355.878,
    "s": 58.744,
    "l": 43.725
  },
  "oklch": {
    "l": 0.50785,
    "c": 0.16698,
    "h": 22
  },
  "luminance": 0.11577
}

Semantic roles & 50–950 ramp

primary

#B12E37

secondary

#75C6C0

accent

#E2D746

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #B12E37

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

Preview Lab → · Contrast checker → · Palette generator →