#B12F33#B12F33

#B12F33 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.8% C 0.166 H 23.9°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#B12F33
RGB	rgb(177, 47, 51)
HSL	hsl(358, 58%, 44%)
HSV	hsv(358, 73%, 69%)
CMYK	cmyk(0%, 73.4%, 71.2%, 30.6%)
CIE-LAB	lab(40.61, 52.13, 29.31)
CIE-LCH	lch(40.61, 59.81, 29.34°)
OKLab	oklab(50.82% 0.1522 0.0674)
OKLCH	oklch(50.82% 0.166 23.9)
XYZ	xyz(19.7477, 11.6221, 4.3348)
Luminance	0.1162 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12F33 #2FB1AD

analogous

#B12F74 #B12F33 #B16C2F

triadic

#B12F33 #33B12F #2F33B1

tetradic

#B12F33 #74B12F #2FB1AD #6C2FB1

square

#B12F33 #74B12F #2FB1AD #6C2FB1

split-complementary

#B12F33 #2FB16C #2F74B1

monochromatic

#501517 #812225 #B12F33 #D04D51 #DD7E81

Accessibility & contrast

On white

6.32

#B12F33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#B12F33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12F33

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12F33	#FFFFFF	#000000	##FFFFFF
##B12F33	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E32

Deuteranopia (green-blind)

#756A2F

Tritanopia (blue-blind)

#C30032

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b12f33;
/* rgb */ color: rgb(177, 47, 51);
/* oklch */ color: oklch(50.8% 0.166 23.9);

Tailwind

colors: {
  custom: {
    50: '#d0716b',
    500: '#b12f33',
    950: '#000000',
  },
}

SCSS

$custom: #b12f33;
$custom-light: #d0716b;
$custom-dark: #000000;

JSON

{
  "hex": "#b12f33",
  "rgb": {
    "r": 177,
    "g": 47,
    "b": 51
  },
  "hsl": {
    "h": 358.154,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50817,
    "c": 0.16644,
    "h": 23.9
  },
  "luminance": 0.11619
}

Semantic roles & 50–950 ramp

primary

#B12F33

secondary

#76C5C3

accent

#E1DD47

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #B12F33

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

Preview Lab → · Contrast checker → · Palette generator →