#B5304E#B5304E

#B5304E is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.1% C 0.169 H 12.4°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B5304E
RGB	rgb(181, 48, 78)
HSL	hsl(346, 58%, 45%)
HSV	hsv(346, 73%, 71%)
CMYK	cmyk(0%, 73.5%, 56.9%, 29%)
CIE-LAB	lab(41.99, 54.67, 14.55)
CIE-LCH	lch(41.99, 56.57, 14.90°)
OKLab	oklab(52.14% 0.1651 0.0363)
OKLCH	oklch(52.14% 0.169 12.4)
XYZ	xyz(21.4902, 12.4908, 8.4856)
Luminance	0.1249 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5304E #30B597

analogous

#B53091 #B5304E #B55430

triadic

#B5304E #4EB530 #304EB5

tetradic

#B5304E #91B530 #30B597 #5430B5

square

#B5304E #91B530 #30B597 #5430B5

split-complementary

#B5304E #30B554 #3091B5

monochromatic

#541624 #852339 #B5304E #D1516E #DE8296

Accessibility & contrast

On white

6.00

#B5304E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B5304E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5304E

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5304E	#FFFFFF	#000000	##FFFFFF
##B5304E	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#53524E

Deuteranopia (green-blind)

#756D4B

Tritanopia (blue-blind)

#C6083C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b5304e;
/* rgb */ color: rgb(181, 48, 78);
/* oklch */ color: oklch(52.1% 0.169 12.4);

Tailwind

colors: {
  custom: {
    50: '#d2737f',
    500: '#b5304e',
    950: '#000000',
  },
}

SCSS

$custom: #b5304e;
$custom-light: #d2737f;
$custom-dark: #000000;

JSON

{
  "hex": "#b5304e",
  "rgb": {
    "r": 181,
    "g": 48,
    "b": 78
  },
  "hsl": {
    "h": 346.466,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52136,
    "c": 0.16902,
    "h": 12.4
  },
  "luminance": 0.12488
}

Semantic roles & 50–950 ramp

primary

#B5304E

secondary

#7AC7B6

accent

#E1BE46

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B5304E

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

Preview Lab → · Contrast checker → · Palette generator →