#A51B91#A51B91

#A51B91 is a mid, highly saturated purple. Relative luminance 0.108; OKLCH L 50.4% C 0.206 H 335.3°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#A51B91
RGB	rgb(165, 27, 145)
HSL	hsl(309, 72%, 38%)
HSV	hsv(309, 84%, 65%)
CMYK	cmyk(0%, 83.6%, 12.1%, 35.3%)
CIE-LAB	lab(39.29, 64.04, -31.50)
CIE-LCH	lch(39.29, 71.37, 333.81°)
OKLab	oklab(50.42% 0.1875 -0.0862)
OKLCH	oklch(50.42% 0.206 335.3)
XYZ	xyz(21.0201, 10.8295, 27.7658)
Luminance	0.1083 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A51B91 #1BA52F

analogous

#741BA5 #A51B91 #A51B4C

triadic

#A51B91 #91A51B #1B91A5

tetradic

#A51B91 #A5741B #1BA52F #1B4CA5

square

#A51B91 #A5741B #1BA52F #1B4CA5

split-complementary

#A51B91 #4CA51B #1BA574

monochromatic

#3C0A35 #701263 #A51B91 #DA24BF #E357CF

Accessibility & contrast

On white

6.63

#A51B91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#A51B91 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A51B91

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A51B91	#FFFFFF	#000000	##FFFFFF
##A51B91	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B5094

Deuteranopia (green-blind)

#51648E

Tritanopia (blue-blind)

#AE2957

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a51b91;
/* rgb */ color: rgb(165, 27, 145);
/* oklch */ color: oklch(50.4% 0.206 335.3);

Tailwind

colors: {
  custom: {
    50: '#c46bb1',
    500: '#a51b91',
    950: '#000000',
  },
}

SCSS

$custom: #a51b91;
$custom-light: #c46bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#a51b91",
  "rgb": {
    "r": 165,
    "g": 27,
    "b": 145
  },
  "hsl": {
    "h": 308.696,
    "s": 71.875,
    "l": 37.647
  },
  "oklch": {
    "l": 0.50422,
    "c": 0.20637,
    "h": 335.3
  },
  "luminance": 0.10828
}

Semantic roles & 50–950 ramp

primary

#A51B91

secondary

#55C765

accent

#EF5339

background

#FCF6FA

surface

#F8ECF5

border

#D1C7CF

text

#130811

muted

#827A80

Preview Lab

Preview with #A51B91

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

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