#B13F4F#B13F4F

#B13F4F is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.1% C 0.148 H 15.4°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#B13F4F
RGB	rgb(177, 63, 79)
HSL	hsl(352, 48%, 47%)
HSV	hsv(352, 64%, 69%)
CMYK	cmyk(0%, 64.4%, 55.4%, 30.6%)
CIE-LAB	lab(43.46, 47.51, 15.81)
CIE-LCH	lch(43.46, 50.07, 18.41°)
OKLab	oklab(53.11% 0.1428 0.0395)
OKLCH	oklch(53.11% 0.148 15.4)
XYZ	xyz(21.3221, 13.4694, 8.8727)
Luminance	0.1347 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13F4F #3FB1A1

analogous

#B13F88 #B13F4F #B1683F

triadic

#B13F4F #4FB13F #3F4FB1

tetradic

#B13F4F #88B13F #3FB1A1 #683FB1

square

#B13F4F #88B13F #3FB1A1 #683FB1

split-complementary

#B13F4F #3FB168 #3F88B1

monochromatic

#571F27 #842F3B #B13F4F #C86573 #D8929C

Accessibility & contrast

On white

5.69

#B13F4F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B13F4F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13F4F

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13F4F	#FFFFFF	#000000	##FFFFFF
##B13F4F	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A584F

Deuteranopia (green-blind)

#786F4C

Tritanopia (blue-blind)

#C12A45

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b13f4f;
/* rgb */ color: rgb(177, 63, 79);
/* oklch */ color: oklch(53.1% 0.148 15.4);

Tailwind

colors: {
  custom: {
    50: '#ce7a80',
    500: '#b13f4f',
    950: '#000000',
  },
}

SCSS

$custom: #b13f4f;
$custom-light: #ce7a80;
$custom-dark: #000000;

JSON

{
  "hex": "#b13f4f",
  "rgb": {
    "r": 177,
    "g": 63,
    "b": 79
  },
  "hsl": {
    "h": 351.579,
    "s": 47.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53109,
    "c": 0.14814,
    "h": 15.4
  },
  "luminance": 0.13467
}

Semantic roles & 50–950 ramp

primary

#B13F4F

secondary

#88C4BB

accent

#D7C451

background

#FDF7F7

surface

#FAEEEE

border

#D3C9C9

text

#150A0A

muted

#837C7C

Preview Lab

Preview with #B13F4F

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

Preview Lab → · Contrast checker → · Palette generator →