#B13F36#B13F36

#B13F36 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.6% C 0.150 H 27.9°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#B13F36
RGB	rgb(177, 63, 54)
HSL	hsl(4, 53%, 45%)
HSV	hsv(4, 69%, 69%)
CMYK	cmyk(0%, 64.4%, 69.5%, 30.6%)
CIE-LAB	lab(43.02, 45.83, 30.39)
CIE-LCH	lch(43.02, 54.99, 33.55°)
OKLab	oklab(52.64% 0.1329 0.0703)
OKLCH	oklch(52.64% 0.15 27.9)
XYZ	xyz(20.5770, 13.1713, 4.9481)
Luminance	0.1317 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13F36 #36A8B1

analogous

#B1366B #B13F36 #B17C36

triadic

#B13F36 #36B13F #3F36B1

tetradic

#B13F36 #6BB136 #36A8B1 #7C36B1

square

#B13F36 #6BB136 #36A8B1 #7C36B1

split-complementary

#B13F36 #36B17C #366BB1

monochromatic

#531E19 #822E28 #B13F36 #CC6158 #DA8D87

Accessibility & contrast

On white

5.78

#B13F36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B13F36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13F36

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13F36	#FFFFFF	#000000	##FFFFFF
##B13F36	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5634

Deuteranopia (green-blind)

#7A6F33

Tritanopia (blue-blind)

#C2243E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b13f36;
/* rgb */ color: rgb(177, 63, 54);
/* oklch */ color: oklch(52.6% 0.150 27.9);

Tailwind

colors: {
  custom: {
    50: '#cf7a6d',
    500: '#b13f36',
    950: '#000000',
  },
}

SCSS

$custom: #b13f36;
$custom-light: #cf7a6d;
$custom-dark: #000000;

JSON

{
  "hex": "#b13f36",
  "rgb": {
    "r": 177,
    "g": 63,
    "b": 54
  },
  "hsl": {
    "h": 4.39,
    "s": 53.247,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52635,
    "c": 0.15036,
    "h": 27.9
  },
  "luminance": 0.13168
}

Semantic roles & 50–950 ramp

primary

#B13F36

secondary

#7FBFC4

accent

#D2DD4B

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B13F36

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

Preview Lab → · Contrast checker → · Palette generator →