#B13039#B13039

#B13039 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.0% C 0.165 H 21.6°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#B13039
RGB	rgb(177, 48, 57)
HSL	hsl(356, 57%, 44%)
HSV	hsv(356, 73%, 69%)
CMYK	cmyk(0%, 72.9%, 67.8%, 30.6%)
CIE-LAB	lab(40.83, 52.08, 25.94)
CIE-LCH	lch(40.83, 58.18, 26.47°)
OKLab	oklab(51.01% 0.1533 0.0609)
OKLCH	oklch(51.01% 0.165 21.6)
XYZ	xyz(19.9291, 11.7594, 5.0905)
Luminance	0.1176 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13039 #30B1A8

analogous

#B1307A #B13039 #B16830

triadic

#B13039 #39B130 #3039B1

tetradic

#B13039 #7AB130 #30B1A8 #6830B1

square

#B13039 #7AB130 #30B1A8 #6830B1

split-complementary

#B13039 #30B168 #307AB1

monochromatic

#51161A #812329 #B13039 #CF4F58 #DC7F86

Accessibility & contrast

On white

6.27

#B13039 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#B13039 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13039

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13039	#FFFFFF	#000000	##FFFFFF
##B13039	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544F38

Deuteranopia (green-blind)

#756A35

Tritanopia (blue-blind)

#C20034

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b13039;
/* rgb */ color: rgb(177, 48, 57);
/* oklch */ color: oklch(51.0% 0.165 21.6);

Tailwind

colors: {
  custom: {
    50: '#d0726f',
    500: '#b13039',
    950: '#000000',
  },
}

SCSS

$custom: #b13039;
$custom-light: #d0726f;
$custom-dark: #000000;

JSON

{
  "hex": "#b13039",
  "rgb": {
    "r": 177,
    "g": 48,
    "b": 57
  },
  "hsl": {
    "h": 355.814,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51011,
    "c": 0.16497,
    "h": 21.6
  },
  "luminance": 0.11756
}

Semantic roles & 50–950 ramp

primary

#B13039

secondary

#78C5C0

accent

#E1D647

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B13039

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

Preview Lab → · Contrast checker → · Palette generator →