#B13B45#B13B45

#B13B45 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.4% C 0.153 H 19.3°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B13B45
RGB	rgb(177, 59, 69)
HSL	hsl(355, 50%, 46%)
HSV	hsv(355, 67%, 69%)
CMYK	cmyk(0%, 66.7%, 61%, 30.6%)
CIE-LAB	lab(42.62, 48.48, 20.85)
CIE-LCH	lch(42.62, 52.78, 23.27°)
OKLab	oklab(52.42% 0.1443 0.0506)
OKLCH	oklch(52.42% 0.153 19.3)
XYZ	xyz(20.7716, 12.9076, 7.0267)
Luminance	0.1290 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13B45 #3BB1A7

analogous

#B13B80 #B13B45 #B16C3B

triadic

#B13B45 #45B13B #3B45B1

tetradic

#B13B45 #80B13B #3BB1A7 #6C3BB1

square

#B13B45 #80B13B #3BB1A7 #6C3BB1

split-complementary

#B13B45 #3BB16C #3B80B1

monochromatic

#551C21 #832C33 #B13B45 #CA5F68 #D98D94

Accessibility & contrast

On white

5.86

#B13B45 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B13B45 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13B45

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13B45	#FFFFFF	#000000	##FFFFFF
##B13B45	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595545

Deuteranopia (green-blind)

#776E42

Tritanopia (blue-blind)

#C2213F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b13b45;
/* rgb */ color: rgb(177, 59, 69);
/* oklch */ color: oklch(52.4% 0.153 19.3);

Tailwind

colors: {
  custom: {
    50: '#cf7878',
    500: '#b13b45',
    950: '#000000',
  },
}

SCSS

$custom: #b13b45;
$custom-light: #cf7878;
$custom-dark: #000000;

JSON

{
  "hex": "#b13b45",
  "rgb": {
    "r": 177,
    "g": 59,
    "b": 69
  },
  "hsl": {
    "h": 354.915,
    "s": 50,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52416,
    "c": 0.15289,
    "h": 19.3
  },
  "luminance": 0.12905
}

Semantic roles & 50–950 ramp

primary

#B13B45

secondary

#84C4BE

accent

#DACE4E

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B13B45

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

Preview Lab → · Contrast checker → · Palette generator →