#B1201D#B1201D

#B1201D is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.3% C 0.181 H 27.8°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#B1201D
RGB	rgb(177, 32, 29)
HSL	hsl(1, 72%, 40%)
HSV	hsv(1, 84%, 69%)
CMYK	cmyk(0%, 81.9%, 83.6%, 30.6%)
CIE-LAB	lab(38.68, 56.02, 39.88)
CIE-LCH	lch(38.68, 68.77, 35.45°)
OKLab	oklab(49.3% 0.1598 0.0842)
OKLCH	oklch(49.3% 0.181 27.8)
XYZ	xyz(18.8721, 10.4719, 2.1898)
Luminance	0.1047 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1201D #1DAEB1

analogous

#B11D64 #B1201D #B16A1D

triadic

#B1201D #1DB120 #201DB1

tetradic

#B1201D #64B11D #1DAEB1 #6A1DB1

square

#B1201D #64B11D #1DAEB1 #6A1DB1

split-complementary

#B1201D #1DB16A #1D64B1

monochromatic

#480D0C #7C1614 #B1201D #DD322E #E56663

Accessibility & contrast

On white

6.79

#B1201D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#B1201D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1201D

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1201D	#FFFFFF	#000000	##FFFFFF
##B1201D	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50471A

Deuteranopia (green-blind)

#736615

Tritanopia (blue-blind)

#C30022

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #b1201d;
/* rgb */ color: rgb(177, 32, 29);
/* oklch */ color: oklch(49.3% 0.181 27.8);

Tailwind

colors: {
  custom: {
    50: '#d26b5b',
    500: '#b1201d',
    950: '#000000',
  },
}

SCSS

$custom: #b1201d;
$custom-light: #d26b5b;
$custom-dark: #000000;

JSON

{
  "hex": "#b1201d",
  "rgb": {
    "r": 177,
    "g": 32,
    "b": 29
  },
  "hsl": {
    "h": 1.216,
    "s": 71.845,
    "l": 40.392
  },
  "oklch": {
    "l": 0.49299,
    "c": 0.18064,
    "h": 27.8
  },
  "luminance": 0.10469
}

Semantic roles & 50–950 ramp

primary

#B1201D

secondary

#60C8CA

accent

#EBEF39

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160704

muted

#847A79

Preview Lab

Preview with #B1201D

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

Preview Lab → · Contrast checker → · Palette generator →