#B01C1D#B01C1D

#B01C1D is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.8% C 0.182 H 27.1°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#B01C1D
RGB	rgb(176, 28, 29)
HSL	hsl(360, 73%, 40%)
HSV	hsv(360, 84%, 69%)
CMYK	cmyk(0%, 84.1%, 83.5%, 31%)
CIE-LAB	lab(38.11, 56.74, 39.28)
CIE-LCH	lch(38.11, 69.01, 34.69°)
OKLab	oklab(48.85% 0.1622 0.083)
OKLCH	oklch(48.85% 0.182 27.1)
XYZ	xyz(18.5439, 10.1524, 2.1454)
Luminance	0.1015 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B01C1D #1CB0AF

analogous

#B01C67 #B01C1D #B0651C

triadic

#B01C1D #1DB01C #1C1DB0

tetradic

#B01C1D #67B01C #1CB0AF #651CB0

square

#B01C1D #67B01C #1CB0AF #651CB0

split-complementary

#B01C1D #1CB065 #1C67B0

monochromatic

#460B0C #7B1414 #B01C1D #DD2C2D #E66161

Accessibility & contrast

On white

6.93

#B01C1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#B01C1D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B01C1D

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B01C1D	#FFFFFF	#000000	##FFFFFF
##B01C1D	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E451B

Deuteranopia (green-blind)

#716515

Tritanopia (blue-blind)

#C2001F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #b01c1d;
/* rgb */ color: rgb(176, 28, 29);
/* oklch */ color: oklch(48.8% 0.182 27.1);

Tailwind

colors: {
  custom: {
    50: '#d2695a',
    500: '#b01c1d',
    950: '#000000',
  },
}

SCSS

$custom: #b01c1d;
$custom-light: #d2695a;
$custom-dark: #000000;

JSON

{
  "hex": "#b01c1d",
  "rgb": {
    "r": 176,
    "g": 28,
    "b": 29
  },
  "hsl": {
    "h": 359.595,
    "s": 72.549,
    "l": 40
  },
  "oklch": {
    "l": 0.48846,
    "c": 0.18218,
    "h": 27.1
  },
  "luminance": 0.10149
}

Semantic roles & 50–950 ramp

primary

#B01C1D

secondary

#5ECACA

accent

#EFEE39

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160704

muted

#847A79

Preview Lab

Preview with #B01C1D

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

Preview Lab → · Contrast checker → · Palette generator →