#B13036#B13036

#B13036 is a mid, vivid red. Relative luminance 0.117; OKLCH L 51.0% C 0.165 H 22.9°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#B13036
RGB	rgb(177, 48, 54)
HSL	hsl(357, 57%, 44%)
HSV	hsv(357, 73%, 69%)
CMYK	cmyk(0%, 72.9%, 69.5%, 30.6%)
CIE-LAB	lab(40.78, 51.92, 27.71)
CIE-LCH	lch(40.78, 58.85, 28.09°)
OKLab	oklab(50.96% 0.1522 0.0644)
OKLCH	oklch(50.96% 0.165 22.9)
XYZ	xyz(19.8564, 11.7303, 4.7079)
Luminance	0.1173 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13036 #30B1AB

analogous

#B13077 #B13036 #B16B30

triadic

#B13036 #36B130 #3036B1

tetradic

#B13036 #77B130 #30B1AB #6B30B1

square

#B13036 #77B130 #30B1AB #6B30B1

split-complementary

#B13036 #30B16B #3077B1

monochromatic

#511619 #812327 #B13036 #CF4F55 #DC7F83

Accessibility & contrast

On white

6.28

#B13036 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#B13036 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13036

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13036	#FFFFFF	#000000	##FFFFFF
##B13036	1.00	6.28	3.35	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554F35

Deuteranopia (green-blind)

#756A32

Tritanopia (blue-blind)

#C30034

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b13036;
/* rgb */ color: rgb(177, 48, 54);
/* oklch */ color: oklch(51.0% 0.165 22.9);

Tailwind

colors: {
  custom: {
    50: '#d0726d',
    500: '#b13036',
    950: '#000000',
  },
}

SCSS

$custom: #b13036;
$custom-light: #d0726d;
$custom-dark: #000000;

JSON

{
  "hex": "#b13036",
  "rgb": {
    "r": 177,
    "g": 48,
    "b": 54
  },
  "hsl": {
    "h": 357.209,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50961,
    "c": 0.16523,
    "h": 22.9
  },
  "luminance": 0.11727
}

Semantic roles & 50–950 ramp

primary

#B13036

secondary

#78C5C2

accent

#E1D947

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #B13036

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

Preview Lab → · Contrast checker → · Palette generator →