#B01F25#B01F25

#B01F25 is a mid, vivid red. Relative luminance 0.103; OKLCH L 49.1% C 0.179 H 25.3°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#B01F25
RGB	rgb(176, 31, 37)
HSL	hsl(358, 70%, 41%)
HSV	hsv(358, 82%, 69%)
CMYK	cmyk(0%, 82.4%, 79%, 31%)
CIE-LAB	lab(38.46, 56.23, 35.14)
CIE-LCH	lch(38.46, 66.31, 32.00°)
OKLab	oklab(49.13% 0.1623 0.0767)
OKLCH	oklch(49.13% 0.179 25.3)
XYZ	xyz(18.7307, 10.3467, 2.7608)
Luminance	0.1034 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B01F25 #1FB0AA

analogous

#B01F6D #B01F25 #B0611F

triadic

#B01F25 #25B01F #1F25B0

tetradic

#B01F25 #6DB01F #1FB0AA #611FB0

square

#B01F25 #6DB01F #1FB0AA #611FB0

split-complementary

#B01F25 #1FB061 #1F6DB0

monochromatic

#480D0F #7C161A #B01F25 #DB3138 #E4656B

Accessibility & contrast

On white

6.84

#B01F25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#B01F25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B01F25

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B01F25	#FFFFFF	#000000	##FFFFFF
##B01F25	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4723

Deuteranopia (green-blind)

#72661F

Tritanopia (blue-blind)

#C20023

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #b01f25;
/* rgb */ color: rgb(176, 31, 37);
/* oklch */ color: oklch(49.1% 0.179 25.3);

Tailwind

colors: {
  custom: {
    50: '#d16b60',
    500: '#b01f25',
    950: '#000000',
  },
}

SCSS

$custom: #b01f25;
$custom-light: #d16b60;
$custom-dark: #000000;

JSON

{
  "hex": "#b01f25",
  "rgb": {
    "r": 176,
    "g": 31,
    "b": 37
  },
  "hsl": {
    "h": 357.517,
    "s": 70.048,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49126,
    "c": 0.17948,
    "h": 25.3
  },
  "luminance": 0.10344
}

Semantic roles & 50–950 ramp

primary

#B01F25

secondary

#62C9C5

accent

#EDE53B

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160705

muted

#847A79

Preview Lab

Preview with #B01F25

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

Preview Lab → · Contrast checker → · Palette generator →