#B01D3E#B01D3E

#B01D3E is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.4% C 0.180 H 15.5°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#B01D3E
RGB	rgb(176, 29, 62)
HSL	hsl(347, 72%, 40%)
HSV	hsv(347, 84%, 69%)
CMYK	cmyk(0%, 83.5%, 64.8%, 31%)
CIE-LAB	lab(38.66, 57.87, 20.02)
CIE-LCH	lch(38.66, 61.24, 19.08°)
OKLab	oklab(49.39% 0.1731 0.0481)
OKLCH	oklch(49.39% 0.18 15.5)
XYZ	xyz(19.2155, 10.4596, 5.5636)
Luminance	0.1046 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B01D3E #1DB08F

analogous

#B01D87 #B01D3E #B0461D

triadic

#B01D3E #3EB01D #1D3EB0

tetradic

#B01D3E #87B01D #1DB08F #461DB0

square

#B01D3E #87B01D #1DB08F #461DB0

split-complementary

#B01D3E #1DB046 #1D87B0

monochromatic

#470C19 #7B142B #B01D3E #DD2E55 #E56280

Accessibility & contrast

On white

6.79

#B01D3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#B01D3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B01D3E

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B01D3E	#FFFFFF	#000000	##FFFFFF
##B01D3E	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)

#4A483E

Deuteranopia (green-blind)

#6F663A

Tritanopia (blue-blind)

#C1002C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #b01d3e;
/* rgb */ color: rgb(176, 29, 62);
/* oklch */ color: oklch(49.4% 0.180 15.5);

Tailwind

colors: {
  custom: {
    50: '#cf6b73',
    500: '#b01d3e',
    950: '#000000',
  },
}

SCSS

$custom: #b01d3e;
$custom-light: #cf6b73;
$custom-dark: #000000;

JSON

{
  "hex": "#b01d3e",
  "rgb": {
    "r": 176,
    "g": 29,
    "b": 62
  },
  "hsl": {
    "h": 346.531,
    "s": 71.707,
    "l": 40.196
  },
  "oklch": {
    "l": 0.49391,
    "c": 0.17966,
    "h": 15.5
  },
  "luminance": 0.10457
}

Semantic roles & 50–950 ramp

primary

#B01D3E

secondary

#5FCAB2

accent

#EEC639

background

#FDF6F6

surface

#FBECEC

border

#D4C7C7

text

#150808

muted

#837A7B

Preview Lab

Preview with #B01D3E

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

Preview Lab → · Contrast checker → · Palette generator →