#B13027#B13027

#B13027 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.8% C 0.167 H 28.5°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#B13027
RGB	rgb(177, 48, 39)
HSL	hsl(4, 64%, 42%)
HSV	hsv(4, 78%, 69%)
CMYK	cmyk(0%, 72.9%, 78%, 30.6%)
CIE-LAB	lab(40.59, 51.26, 36.30)
CIE-LCH	lch(40.59, 62.81, 35.30°)
OKLab	oklab(50.76% 0.1469 0.0798)
OKLCH	oklch(50.76% 0.167 28.5)
XYZ	xyz(19.5569, 11.6105, 3.1304)
Luminance	0.1161 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13027 #27A8B1

analogous

#B12763 #B13027 #B17527

triadic

#B13027 #27B130 #3027B1

tetradic

#B13027 #63B127 #27A8B1 #7527B1

square

#B13027 #63B127 #27A8B1 #7527B1

split-complementary

#B13027 #27B175 #2763B1

monochromatic

#4D1511 #7F221C #B13027 #D54A40 #E07A72

Accessibility & contrast

On white

6.32

#B13027 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#B13027 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13027

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13027	#FFFFFF	#000000	##FFFFFF
##B13027	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E25

Deuteranopia (green-blind)

#766A22

Tritanopia (blue-blind)

#C3002F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b13027;
/* rgb */ color: rgb(177, 48, 39);
/* oklch */ color: oklch(50.8% 0.167 28.5);

Tailwind

colors: {
  custom: {
    50: '#d17262',
    500: '#b13027',
    950: '#000000',
  },
}

SCSS

$custom: #b13027;
$custom-light: #d17262;
$custom-dark: #000000;

JSON

{
  "hex": "#b13027",
  "rgb": {
    "r": 177,
    "g": 48,
    "b": 39
  },
  "hsl": {
    "h": 3.913,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50755,
    "c": 0.16715,
    "h": 28.5
  },
  "luminance": 0.11607
}

Semantic roles & 50–950 ramp

primary

#B13027

secondary

#6DC1C7

accent

#DCE741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B13027

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

Preview Lab → · Contrast checker → · Palette generator →