#B1304E#B1304E

#B1304E is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.165 H 11.8°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B1304E
RGB	rgb(177, 48, 78)
HSL	hsl(346, 57%, 44%)
HSV	hsv(346, 73%, 69%)
CMYK	cmyk(0%, 72.9%, 55.9%, 30.6%)
CIE-LAB	lab(41.24, 53.46, 13.40)
CIE-LCH	lch(41.24, 55.11, 14.08°)
OKLab	oklab(51.45% 0.1616 0.0337)
OKLCH	oklch(51.45% 0.165 11.8)
XYZ	xyz(20.5655, 12.0139, 8.4423)
Luminance	0.1201 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1304E #30B193

analogous

#B1308E #B1304E #B15330

triadic

#B1304E #4EB130 #304EB1

tetradic

#B1304E #8EB130 #30B193 #5330B1

square

#B1304E #8EB130 #30B193 #5330B1

split-complementary

#B1304E #30B153 #308EB1

monochromatic

#511624 #812339 #B1304E #CF4F6D #DC7F95

Accessibility & contrast

On white

6.17

#B1304E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B1304E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1304E

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1304E	#FFFFFF	#000000	##FFFFFF
##B1304E	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51504E

Deuteranopia (green-blind)

#726B4B

Tritanopia (blue-blind)

#C10E3C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b1304e;
/* rgb */ color: rgb(177, 48, 78);
/* oklch */ color: oklch(51.4% 0.165 11.8);

Tailwind

colors: {
  custom: {
    50: '#cf727f',
    500: '#b1304e',
    950: '#000000',
  },
}

SCSS

$custom: #b1304e;
$custom-light: #cf727f;
$custom-dark: #000000;

JSON

{
  "hex": "#b1304e",
  "rgb": {
    "r": 177,
    "g": 48,
    "b": 78
  },
  "hsl": {
    "h": 346.047,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51446,
    "c": 0.16511,
    "h": 11.8
  },
  "luminance": 0.12011
}

Semantic roles & 50–950 ramp

primary

#B1304E

secondary

#78C5B3

accent

#E1BD47

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B1304E

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

Preview Lab → · Contrast checker → · Palette generator →