#B13F2C#B13F2C

#B13F2C is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.5% C 0.152 H 31.9°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#B13F2C
RGB	rgb(177, 63, 44)
HSL	hsl(9, 60%, 43%)
HSV	hsv(9, 75%, 69%)
CMYK	cmyk(0%, 64.4%, 75.1%, 30.6%)
CIE-LAB	lab(42.89, 45.34, 35.98)
CIE-LCH	lch(42.89, 57.88, 38.43°)
OKLab	oklab(52.5% 0.1294 0.0804)
OKLCH	oklch(52.5% 0.152 31.9)
XYZ	xyz(20.3658, 13.0869, 3.8360)
Luminance	0.1308 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13F2C #2C9EB1

analogous

#B12C5C #B13F2C #B1812C

triadic

#B13F2C #2CB13F #3F2CB1

tetradic

#B13F2C #5CB12C #2C9EB1 #812CB1

square

#B13F2C #5CB12C #2C9EB1 #812CB1

split-complementary

#B13F2C #2CB181 #2C5CB1

monochromatic

#4F1C14 #802E20 #B13F2C #D25C49 #DE887A

Accessibility & contrast

On white

5.81

#B13F2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B13F2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13F2C

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13F2C	#FFFFFF	#000000	##FFFFFF
##B13F2C	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5529

Deuteranopia (green-blind)

#7B6F28

Tritanopia (blue-blind)

#C3213B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b13f2c;
/* rgb */ color: rgb(177, 63, 44);
/* oklch */ color: oklch(52.5% 0.152 31.9);

Tailwind

colors: {
  custom: {
    50: '#d07966',
    500: '#b13f2c',
    950: '#000000',
  },
}

SCSS

$custom: #b13f2c;
$custom-light: #d07966;
$custom-dark: #000000;

JSON

{
  "hex": "#b13f2c",
  "rgb": {
    "r": 177,
    "g": 63,
    "b": 44
  },
  "hsl": {
    "h": 8.571,
    "s": 60.181,
    "l": 43.333
  },
  "oklch": {
    "l": 0.52499,
    "c": 0.15235,
    "h": 31.9
  },
  "luminance": 0.13084
}

Semantic roles & 50–950 ramp

primary

#B13F2C

secondary

#73BAC6

accent

#CDE344

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B13F2C

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

Preview Lab → · Contrast checker → · Palette generator →