#B13D27#B13D27

#B13D27 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.2% C 0.155 H 32.8°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#B13D27
RGB	rgb(177, 61, 39)
HSL	hsl(10, 64%, 42%)
HSV	hsv(10, 78%, 69%)
CMYK	cmyk(0%, 65.5%, 78%, 30.6%)
CIE-LAB	lab(42.51, 46.02, 38.31)
CIE-LCH	lch(42.51, 59.88, 39.78°)
OKLab	oklab(52.2% 0.1305 0.0842)
OKLCH	oklch(52.2% 0.155 32.8)
XYZ	xyz(20.1687, 12.8340, 3.3343)
Luminance	0.1283 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13D27 #279BB1

analogous

#B12756 #B13D27 #B18227

triadic

#B13D27 #27B13D #3D27B1

tetradic

#B13D27 #56B127 #279BB1 #8227B1

square

#B13D27 #56B127 #279BB1 #8227B1

split-complementary

#B13D27 #27B182 #2756B1

monochromatic

#4D1A11 #7F2C1C #B13D27 #D55840 #E08472

Accessibility & contrast

On white

5.89

#B13D27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B13D27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13D27

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13D27	#FFFFFF	#000000	##FFFFFF
##B13D27	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5424

Deuteranopia (green-blind)

#7B6E23

Tritanopia (blue-blind)

#C31D39

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b13d27;
/* rgb */ color: rgb(177, 61, 39);
/* oklch */ color: oklch(52.2% 0.155 32.8);

Tailwind

colors: {
  custom: {
    50: '#d07863',
    500: '#b13d27',
    950: '#000000',
  },
}

SCSS

$custom: #b13d27;
$custom-light: #d07863;
$custom-dark: #000000;

JSON

{
  "hex": "#b13d27",
  "rgb": {
    "r": 177,
    "g": 61,
    "b": 39
  },
  "hsl": {
    "h": 9.565,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.52195,
    "c": 0.1553,
    "h": 32.8
  },
  "luminance": 0.12831
}

Semantic roles & 50–950 ramp

primary

#B13D27

secondary

#6DB9C7

accent

#CCE741

background

#FDF7F5

surface

#FBEEEA

border

#D4C9C6

text

#150905

muted

#837B79

Preview Lab

Preview with #B13D27

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

Preview Lab → · Contrast checker → · Palette generator →