#B1304C#B1304C

#B1304C is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.165 H 12.8°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#B1304C
RGB	rgb(177, 48, 76)
HSL	hsl(347, 57%, 44%)
HSV	hsv(347, 73%, 69%)
CMYK	cmyk(0%, 72.9%, 57.1%, 30.6%)
CIE-LAB	lab(41.19, 53.30, 14.60)
CIE-LCH	lch(41.19, 55.27, 15.31°)
OKLab	oklab(51.4% 0.1609 0.0364)
OKLCH	oklch(51.4% 0.165 12.8)
XYZ	xyz(20.4949, 11.9857, 8.0703)
Luminance	0.1198 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1304C #30B195

analogous

#B1308D #B1304C #B15530

triadic

#B1304C #4CB130 #304CB1

tetradic

#B1304C #8DB130 #30B195 #5530B1

square

#B1304C #8DB130 #30B195 #5530B1

split-complementary

#B1304C #30B155 #308DB1

monochromatic

#511623 #812337 #B1304C #CF4F6B #DC7F93

Accessibility & contrast

On white

6.18

#B1304C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B1304C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1304C

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1304C	#FFFFFF	#000000	##FFFFFF
##B1304C	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51504C

Deuteranopia (green-blind)

#736B49

Tritanopia (blue-blind)

#C20C3C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b1304c;
/* rgb */ color: rgb(177, 48, 76);
/* oklch */ color: oklch(51.4% 0.165 12.8);

Tailwind

colors: {
  custom: {
    50: '#cf727d',
    500: '#b1304c',
    950: '#000000',
  },
}

SCSS

$custom: #b1304c;
$custom-light: #cf727d;
$custom-dark: #000000;

JSON

{
  "hex": "#b1304c",
  "rgb": {
    "r": 177,
    "g": 48,
    "b": 76
  },
  "hsl": {
    "h": 346.977,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51398,
    "c": 0.16492,
    "h": 12.8
  },
  "luminance": 0.11983
}

Semantic roles & 50–950 ramp

primary

#B1304C

secondary

#78C5B4

accent

#E1BF47

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B1304C

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

Preview Lab → · Contrast checker → · Palette generator →