#B13D40#B13D40

#B13D40 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.6% C 0.151 H 22.5°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B13D40
RGB	rgb(177, 61, 64)
HSL	hsl(358, 49%, 47%)
HSV	hsv(358, 66%, 69%)
CMYK	cmyk(0%, 65.5%, 63.8%, 30.6%)
CIE-LAB	lab(42.85, 47.30, 24.20)
CIE-LCH	lch(42.85, 53.13, 27.10°)
OKLab	oklab(52.56% 0.1396 0.0578)
OKLCH	oklch(52.56% 0.151 22.5)
XYZ	xyz(20.7277, 13.0576, 6.2784)
Luminance	0.1305 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13D40 #3DB1AE

analogous

#B13D7A #B13D40 #B1743D

triadic

#B13D40 #40B13D #3D40B1

tetradic

#B13D40 #7AB13D #3DB1AE #743DB1

square

#B13D40 #7AB13D #3DB1AE #743DB1

split-complementary

#B13D40 #3DB174 #3D7AB1

monochromatic

#561E1F #832D30 #B13D40 #C96265 #D99092

Accessibility & contrast

On white

5.82

#B13D40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B13D40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13D40

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13D40	#FFFFFF	#000000	##FFFFFF
##B13D40	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B563F

Deuteranopia (green-blind)

#796E3D

Tritanopia (blue-blind)

#C2233F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b13d40;
/* rgb */ color: rgb(177, 61, 64);
/* oklch */ color: oklch(52.6% 0.151 22.5);

Tailwind

colors: {
  custom: {
    50: '#cf7974',
    500: '#b13d40',
    950: '#000000',
  },
}

SCSS

$custom: #b13d40;
$custom-light: #cf7974;
$custom-dark: #000000;

JSON

{
  "hex": "#b13d40",
  "rgb": {
    "r": 177,
    "g": 61,
    "b": 64
  },
  "hsl": {
    "h": 358.448,
    "s": 48.739,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52557,
    "c": 0.15105,
    "h": 22.5
  },
  "luminance": 0.13055
}

Semantic roles & 50–950 ramp

primary

#B13D40

secondary

#86C4C2

accent

#D8D550

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B13D40

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

Preview Lab → · Contrast checker → · Palette generator →