#B13135#B13135

#B13135 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.0% C 0.164 H 23.6°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#B13135
RGB	rgb(177, 49, 53)
HSL	hsl(358, 57%, 44%)
HSV	hsv(358, 72%, 69%)
CMYK	cmyk(0%, 72.3%, 70.1%, 30.6%)
CIE-LAB	lab(40.90, 51.50, 28.45)
CIE-LCH	lch(40.90, 58.84, 28.92°)
OKLab	oklab(51.04% 0.1506 0.0658)
OKLCH	oklch(51.04% 0.164 23.6)
XYZ	xyz(19.8746, 11.8037, 4.5993)
Luminance	0.1180 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13135 #31B1AD

analogous

#B13175 #B13135 #B16D31

triadic

#B13135 #35B131 #3135B1

tetradic

#B13135 #75B131 #31B1AD #6D31B1

square

#B13135 #75B131 #31B1AD #6D31B1

split-complementary

#B13135 #31B16D #3175B1

monochromatic

#511618 #812427 #B13135 #CF5154 #DC8083

Accessibility & contrast

On white

6.25

#B13135 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#B13135 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13135

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13135	#FFFFFF	#000000	##FFFFFF
##B13135	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F34

Deuteranopia (green-blind)

#766A31

Tritanopia (blue-blind)

#C30034

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b13135;
/* rgb */ color: rgb(177, 49, 53);
/* oklch */ color: oklch(51.0% 0.164 23.6);

Tailwind

colors: {
  custom: {
    50: '#d0726c',
    500: '#b13135',
    950: '#000000',
  },
}

SCSS

$custom: #b13135;
$custom-light: #d0726c;
$custom-dark: #000000;

JSON

{
  "hex": "#b13135",
  "rgb": {
    "r": 177,
    "g": 49,
    "b": 53
  },
  "hsl": {
    "h": 358.125,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51045,
    "c": 0.16439,
    "h": 23.6
  },
  "luminance": 0.11801
}

Semantic roles & 50–950 ramp

primary

#B13135

secondary

#79C5C3

accent

#E0DB48

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B13135

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

Preview Lab → · Contrast checker → · Palette generator →