#B13C28#B13C28

#B13C28 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.1% C 0.156 H 32.1°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#B13C28
RGB	rgb(177, 60, 40)
HSL	hsl(9, 63%, 43%)
HSV	hsv(9, 77%, 69%)
CMYK	cmyk(0%, 66.1%, 77.4%, 30.6%)
CIE-LAB	lab(42.36, 46.49, 37.61)
CIE-LCH	lch(42.36, 59.80, 38.97°)
OKLab	oklab(52.09% 0.1322 0.0829)
OKLCH	oklch(52.09% 0.156 32.1)
XYZ	xyz(20.1326, 12.7350, 3.4051)
Luminance	0.1273 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13C28 #289DB1

analogous

#B12859 #B13C28 #B18028

triadic

#B13C28 #28B13C #3C28B1

tetradic

#B13C28 #59B128 #289DB1 #8028B1

square

#B13C28 #59B128 #289DB1 #8028B1

split-complementary

#B13C28 #28B180 #2859B1

monochromatic

#4D1A11 #7F2B1D #B13C28 #D45742 #E08474

Accessibility & contrast

On white

5.92

#B13C28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B13C28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13C28

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13C28	#FFFFFF	#000000	##FFFFFF
##B13C28	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5425

Deuteranopia (green-blind)

#7A6E24

Tritanopia (blue-blind)

#C31B38

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b13c28;
/* rgb */ color: rgb(177, 60, 40);
/* oklch */ color: oklch(52.1% 0.156 32.1);

Tailwind

colors: {
  custom: {
    50: '#d07863',
    500: '#b13c28',
    950: '#000000',
  },
}

SCSS

$custom: #b13c28;
$custom-light: #d07863;
$custom-dark: #000000;

JSON

{
  "hex": "#b13c28",
  "rgb": {
    "r": 177,
    "g": 60,
    "b": 40
  },
  "hsl": {
    "h": 8.759,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.52085,
    "c": 0.15605,
    "h": 32.1
  },
  "luminance": 0.12732
}

Semantic roles & 50–950 ramp

primary

#B13C28

secondary

#6EBAC7

accent

#CEE642

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #B13C28

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

Preview Lab → · Contrast checker → · Palette generator →