#B13C24#B13C24

#B13C24 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.0% C 0.157 H 33.4°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#B13C24
RGB	rgb(177, 60, 36)
HSL	hsl(10, 66%, 42%)
HSV	hsv(10, 80%, 69%)
CMYK	cmyk(0%, 66.1%, 79.7%, 30.6%)
CIE-LAB	lab(42.32, 46.35, 39.71)
CIE-LCH	lch(42.32, 61.03, 40.59°)
OKLab	oklab(52.04% 0.131 0.0863)
OKLCH	oklch(52.04% 0.157 33.4)
XYZ	xyz(20.0680, 12.7091, 3.0651)
Luminance	0.1271 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13C24 #2499B1

analogous

#B12453 #B13C24 #B18324

triadic

#B13C24 #24B13C #3C24B1

tetradic

#B13C24 #53B124 #2499B1 #8324B1

square

#B13C24 #53B124 #2499B1 #8324B1

split-complementary

#B13C24 #24B183 #2453B1

monochromatic

#4B1A0F #7E2B1A #B13C24 #D7563B #E1826E

Accessibility & contrast

On white

5.93

#B13C24 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B13C24 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13C24

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13C24	#FFFFFF	#000000	##FFFFFF
##B13C24	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5420

Deuteranopia (green-blind)

#7B6D1F

Tritanopia (blue-blind)

#C31A37

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b13c24;
/* rgb */ color: rgb(177, 60, 36);
/* oklch */ color: oklch(52.0% 0.157 33.4);

Tailwind

colors: {
  custom: {
    50: '#d17861',
    500: '#b13c24',
    950: '#000000',
  },
}

SCSS

$custom: #b13c24;
$custom-light: #d17861;
$custom-dark: #000000;

JSON

{
  "hex": "#b13c24",
  "rgb": {
    "r": 177,
    "g": 60,
    "b": 36
  },
  "hsl": {
    "h": 10.213,
    "s": 66.197,
    "l": 41.765
  },
  "oklch": {
    "l": 0.52042,
    "c": 0.15685,
    "h": 33.4
  },
  "luminance": 0.12706
}

Semantic roles & 50–950 ramp

primary

#B13C24

secondary

#69B8C8

accent

#CCE93F

background

#FEF7F5

surface

#FCEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B13C24

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

Preview Lab → · Contrast checker → · Palette generator →