#B01F24#B01F24

#B01F24 is a mid, vivid red. Relative luminance 0.103; OKLCH L 49.1% C 0.180 H 25.6°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#B01F24
RGB	rgb(176, 31, 36)
HSL	hsl(358, 70%, 41%)
HSV	hsv(358, 82%, 69%)
CMYK	cmyk(0%, 82.4%, 79.5%, 31%)
CIE-LAB	lab(38.45, 56.20, 35.70)
CIE-LCH	lch(38.45, 66.58, 32.43°)
OKLab	oklab(49.11% 0.1619 0.0777)
OKLCH	oklch(49.11% 0.18 25.6)
XYZ	xyz(18.7152, 10.3405, 2.6792)
Luminance	0.1034 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B01F24 #1FB0AB

analogous

#B01F6C #B01F24 #B0621F

triadic

#B01F24 #24B01F #1F24B0

tetradic

#B01F24 #6CB01F #1FB0AB #621FB0

square

#B01F24 #6CB01F #1FB0AB #621FB0

split-complementary

#B01F24 #1FB062 #1F6CB0

monochromatic

#480D0F #7C1619 #B01F24 #DB3137 #E4656A

Accessibility & contrast

On white

6.85

#B01F24 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#B01F24 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B01F24

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B01F24	#FFFFFF	#000000	##FFFFFF
##B01F24	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4722

Deuteranopia (green-blind)

#72661D

Tritanopia (blue-blind)

#C20023

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #b01f24;
/* rgb */ color: rgb(176, 31, 36);
/* oklch */ color: oklch(49.1% 0.180 25.6);

Tailwind

colors: {
  custom: {
    50: '#d16b5f',
    500: '#b01f24',
    950: '#000000',
  },
}

SCSS

$custom: #b01f24;
$custom-light: #d16b5f;
$custom-dark: #000000;

JSON

{
  "hex": "#b01f24",
  "rgb": {
    "r": 176,
    "g": 31,
    "b": 36
  },
  "hsl": {
    "h": 357.931,
    "s": 70.048,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49114,
    "c": 0.17959,
    "h": 25.6
  },
  "luminance": 0.10337
}

Semantic roles & 50–950 ramp

primary

#B01F24

secondary

#62C9C6

accent

#EDE73B

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160704

muted

#847A79

Preview Lab

Preview with #B01F24

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

Preview Lab → · Contrast checker → · Palette generator →