#B13151#B13151

#B13151 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.6% C 0.164 H 10.5°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#B13151
RGB	rgb(177, 49, 81)
HSL	hsl(345, 57%, 44%)
HSV	hsv(345, 72%, 69%)
CMYK	cmyk(0%, 72.3%, 54.2%, 30.6%)
CIE-LAB	lab(41.44, 53.33, 11.80)
CIE-LCH	lch(41.44, 54.61, 12.47°)
OKLab	oklab(51.62% 0.1616 0.0299)
OKLCH	oklch(51.62% 0.164 10.5)
XYZ	xyz(20.7169, 12.1407, 9.0355)
Luminance	0.1214 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13151 #31B191

analogous

#B13191 #B13151 #B15131

triadic

#B13151 #51B131 #3151B1

tetradic

#B13151 #91B131 #31B191 #5131B1

square

#B13151 #91B131 #31B191 #5131B1

split-complementary

#B13151 #31B151 #3191B1

monochromatic

#511625 #81243B #B13151 #CF5170 #DC8097

Accessibility & contrast

On white

6.13

#B13151 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B13151 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13151

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13151	#FFFFFF	#000000	##FFFFFF
##B13151	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#515152

Deuteranopia (green-blind)

#726B4E

Tritanopia (blue-blind)

#C1123E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b13151;
/* rgb */ color: rgb(177, 49, 81);
/* oklch */ color: oklch(51.6% 0.164 10.5);

Tailwind

colors: {
  custom: {
    50: '#ce7381',
    500: '#b13151',
    950: '#000000',
  },
}

SCSS

$custom: #b13151;
$custom-light: #ce7381;
$custom-dark: #000000;

JSON

{
  "hex": "#b13151",
  "rgb": {
    "r": 177,
    "g": 49,
    "b": 81
  },
  "hsl": {
    "h": 345,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51617,
    "c": 0.16439,
    "h": 10.5
  },
  "luminance": 0.12138
}

Semantic roles & 50–950 ramp

primary

#B13151

secondary

#79C5B2

accent

#E0BA48

background

#FDF7F7

surface

#FAEDEE

border

#D3C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B13151

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

Preview Lab → · Contrast checker → · Palette generator →