#B12021#B12021

#B12021 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.3% C 0.180 H 26.7°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#B12021
RGB	rgb(177, 32, 33)
HSL	hsl(360, 69%, 41%)
HSV	hsv(360, 82%, 69%)
CMYK	cmyk(0%, 81.9%, 81.4%, 30.6%)
CIE-LAB	lab(38.71, 56.14, 37.74)
CIE-LCH	lch(38.71, 67.64, 33.91°)
OKLab	oklab(49.34% 0.161 0.081)
OKLCH	oklch(49.34% 0.18 26.7)
XYZ	xyz(18.9248, 10.4930, 2.4675)
Luminance	0.1049 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12021 #20B1B0

analogous

#B12069 #B12021 #B16720

triadic

#B12021 #21B120 #2021B1

tetradic

#B12021 #69B120 #20B1B0 #6720B1

square

#B12021 #69B120 #20B1B0 #6720B1

split-complementary

#B12021 #20B167 #2069B1

monochromatic

#490D0E #7D1717 #B12021 #DA3435 #E46869

Accessibility & contrast

On white

6.78

#B12021 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#B12021 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12021

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12021	#FFFFFF	#000000	##FFFFFF
##B12021	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F471F

Deuteranopia (green-blind)

#73661A

Tritanopia (blue-blind)

#C30023

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #b12021;
/* rgb */ color: rgb(177, 32, 33);
/* oklch */ color: oklch(49.3% 0.180 26.7);

Tailwind

colors: {
  custom: {
    50: '#d26b5d',
    500: '#b12021',
    950: '#000000',
  },
}

SCSS

$custom: #b12021;
$custom-light: #d26b5d;
$custom-dark: #000000;

JSON

{
  "hex": "#b12021",
  "rgb": {
    "r": 177,
    "g": 32,
    "b": 33
  },
  "hsl": {
    "h": 359.586,
    "s": 69.378,
    "l": 40.98
  },
  "oklch": {
    "l": 0.49338,
    "c": 0.1802,
    "h": 26.7
  },
  "luminance": 0.1049
}

Semantic roles & 50–950 ramp

primary

#B12021

secondary

#64C9C8

accent

#ECEB3C

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B12021

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

Preview Lab → · Contrast checker → · Palette generator →