#5137AC#5137AC

#5137AC is a dark, vivid violet. Relative luminance 0.075; OKLCH L 43.9% C 0.177 H 286.9°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#5137AC
RGB	rgb(81, 55, 172)
HSL	hsl(253, 52%, 45%)
HSV	hsv(253, 68%, 67%)
CMYK	cmyk(52.9%, 68%, 0%, 32.5%)
CIE-LAB	lab(32.83, 41.76, -58.83)
CIE-LCH	lch(32.83, 72.15, 305.37°)
OKLab	oklab(43.9% 0.0514 -0.1689)
OKLCH	oklch(43.9% 0.177 286.9)
XYZ	xyz(12.2037, 7.4597, 39.8185)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.28

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5137AC #92AC37

analogous

#3758AC #5137AC #8C37AC

triadic

#5137AC #AC5137 #37AC51

tetradic

#5137AC #AC3758 #92AC37 #37AC8C

square

#5137AC #AC3758 #92AC37 #37AC8C

split-complementary

#5137AC #AC8C37 #58AC37

monochromatic

#25194F #3B287E #5137AC #7057C9 #9885D8

Accessibility & contrast

On white

8.43

#5137AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#5137AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5137AC

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5137AC	#FFFFFF	#000000	##FFFFFF
##5137AC	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B0

Deuteranopia (green-blind)

#004AAA

Tritanopia (blue-blind)

#2D556D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #5137ac;
/* rgb */ color: rgb(81, 55, 172);
/* oklch */ color: oklch(43.9% 0.177 286.9);

Tailwind

colors: {
  custom: {
    50: '#8b70c6',
    500: '#5137ac',
    950: '#000000',
  },
}

SCSS

$custom: #5137ac;
$custom-light: #8b70c6;
$custom-dark: #000000;

JSON

{
  "hex": "#5137ac",
  "rgb": {
    "r": 81,
    "g": 55,
    "b": 172
  },
  "hsl": {
    "h": 253.333,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.439,
    "c": 0.17657,
    "h": 286.9
  },
  "luminance": 0.0746
}

Semantic roles & 50–950 ramp

primary

#5137AC

secondary

#B3C27D

accent

#DB4DBB

background

#F9F6FC

surface

#F1ECF8

border

#CBC7D1

text

#0D0713

muted

#7E7A82

Preview Lab

Preview with #5137AC

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

Preview Lab → · Contrast checker → · Palette generator →