#B01F34#B01F34

#B01F34 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.3% C 0.178 H 20.0°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#B01F34
RGB	rgb(176, 31, 52)
HSL	hsl(351, 70%, 41%)
HSV	hsv(351, 82%, 69%)
CMYK	cmyk(0%, 82.4%, 70.5%, 31%)
CIE-LAB	lab(38.66, 56.85, 26.31)
CIE-LCH	lch(38.66, 62.64, 24.84°)
OKLab	oklab(49.34% 0.1676 0.061)
OKLCH	oklch(49.34% 0.178 20)
XYZ	xyz(19.0165, 10.4610, 4.2660)
Luminance	0.1046 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B01F34 #1FB09B

analogous

#B01F7D #B01F34 #B0521F

triadic

#B01F34 #34B01F #1F34B0

tetradic

#B01F34 #7DB01F #1FB09B #521FB0

square

#B01F34 #7DB01F #1FB09B #521FB0

split-complementary

#B01F34 #1FB052 #1F7DB0

monochromatic

#480D15 #7C1625 #B01F34 #DB314A #E46578

Accessibility & contrast

On white

6.79

#B01F34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#B01F34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B01F34

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B01F34	#FFFFFF	#000000	##FFFFFF
##B01F34	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)

#4D4734

Deuteranopia (green-blind)

#70662F

Tritanopia (blue-blind)

#C20029

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #b01f34;
/* rgb */ color: rgb(176, 31, 52);
/* oklch */ color: oklch(49.3% 0.178 20.0);

Tailwind

colors: {
  custom: {
    50: '#d06b6b',
    500: '#b01f34',
    950: '#000000',
  },
}

SCSS

$custom: #b01f34;
$custom-light: #d06b6b;
$custom-dark: #000000;

JSON

{
  "hex": "#b01f34",
  "rgb": {
    "r": 176,
    "g": 31,
    "b": 52
  },
  "hsl": {
    "h": 351.31,
    "s": 70.048,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49337,
    "c": 0.17833,
    "h": 20
  },
  "luminance": 0.10458
}

Semantic roles & 50–950 ramp

primary

#B01F34

secondary

#62C9BA

accent

#EDD33B

background

#FDF6F6

surface

#FBECEB

border

#D4C7C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #B01F34

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

Preview Lab → · Contrast checker → · Palette generator →