#B1304F#B1304F

#B1304F is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.5% C 0.165 H 11.3°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B1304F
RGB	rgb(177, 48, 79)
HSL	hsl(346, 57%, 44%)
HSV	hsv(346, 73%, 69%)
CMYK	cmyk(0%, 72.9%, 55.4%, 30.6%)
CIE-LAB	lab(41.26, 53.53, 12.81)
CIE-LCH	lch(41.26, 55.04, 13.45°)
OKLab	oklab(51.47% 0.162 0.0323)
OKLCH	oklch(51.47% 0.165 11.3)
XYZ	xyz(20.6016, 12.0284, 8.6325)
Luminance	0.1203 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1304F #30B192

analogous

#B13090 #B1304F #B15130

triadic

#B1304F #4FB130 #304FB1

tetradic

#B1304F #90B130 #30B192 #5130B1

square

#B1304F #90B130 #30B192 #5130B1

split-complementary

#B1304F #30B151 #3090B1

monochromatic

#511624 #81233A #B1304F #CF4F6E #DC7F95

Accessibility & contrast

On white

6.17

#B1304F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B1304F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1304F

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1304F	#FFFFFF	#000000	##FFFFFF
##B1304F	1.00	6.17	3.41	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51514F

Deuteranopia (green-blind)

#726B4C

Tritanopia (blue-blind)

#C10E3D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b1304f;
/* rgb */ color: rgb(177, 48, 79);
/* oklch */ color: oklch(51.5% 0.165 11.3);

Tailwind

colors: {
  custom: {
    50: '#cf7380',
    500: '#b1304f',
    950: '#000000',
  },
}

SCSS

$custom: #b1304f;
$custom-light: #cf7380;
$custom-dark: #000000;

JSON

{
  "hex": "#b1304f",
  "rgb": {
    "r": 177,
    "g": 48,
    "b": 79
  },
  "hsl": {
    "h": 345.581,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.5147,
    "c": 0.16522,
    "h": 11.3
  },
  "luminance": 0.12026
}

Semantic roles & 50–950 ramp

primary

#B1304F

secondary

#78C5B3

accent

#E1BC47

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B1304F

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

Preview Lab → · Contrast checker → · Palette generator →