#B1304D#B1304D

#B1304D is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.165 H 12.3°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#B1304D
RGB	rgb(177, 48, 77)
HSL	hsl(347, 57%, 44%)
HSV	hsv(347, 73%, 69%)
CMYK	cmyk(0%, 72.9%, 56.5%, 30.6%)
CIE-LAB	lab(41.22, 53.38, 14.00)
CIE-LCH	lch(41.22, 55.19, 14.70°)
OKLab	oklab(51.42% 0.1613 0.035)
OKLCH	oklch(51.42% 0.165 12.3)
XYZ	xyz(20.5299, 11.9997, 8.2549)
Luminance	0.1200 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1304D #30B194

analogous

#B1308E #B1304D #B15430

triadic

#B1304D #4DB130 #304DB1

tetradic

#B1304D #8EB130 #30B194 #5430B1

square

#B1304D #8EB130 #30B194 #5430B1

split-complementary

#B1304D #30B154 #308EB1

monochromatic

#511623 #812338 #B1304D #CF4F6C #DC7F94

Accessibility & contrast

On white

6.18

#B1304D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B1304D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1304D

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1304D	#FFFFFF	#000000	##FFFFFF
##B1304D	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)

#51504D

Deuteranopia (green-blind)

#736B4A

Tritanopia (blue-blind)

#C20D3C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b1304d;
/* rgb */ color: rgb(177, 48, 77);
/* oklch */ color: oklch(51.4% 0.165 12.3);

Tailwind

colors: {
  custom: {
    50: '#cf727e',
    500: '#b1304d',
    950: '#000000',
  },
}

SCSS

$custom: #b1304d;
$custom-light: #cf727e;
$custom-dark: #000000;

JSON

{
  "hex": "#b1304d",
  "rgb": {
    "r": 177,
    "g": 48,
    "b": 77
  },
  "hsl": {
    "h": 346.512,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51421,
    "c": 0.16501,
    "h": 12.3
  },
  "luminance": 0.11997
}

Semantic roles & 50–950 ramp

primary

#B1304D

secondary

#78C5B4

accent

#E1BE47

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B1304D

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

Preview Lab → · Contrast checker → · Palette generator →