#5B51DA#5B51DA

#5B51DA is a mid, highly saturated blue. Relative luminance 0.132; OKLCH L 52.6% C 0.202 H 280.2°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#5B51DA
RGB	rgb(91, 81, 218)
HSL	hsl(244, 65%, 59%)
HSV	hsv(244, 63%, 85%)
CMYK	cmyk(58.3%, 62.8%, 0%, 14.5%)
CIE-LAB	lab(43.02, 42.55, -69.04)
CIE-LCH	lch(43.02, 81.10, 301.65°)
OKLab	oklab(52.65% 0.0356 -0.1986)
OKLCH	oklch(52.65% 0.202 280.2)
XYZ	xyz(19.9077, 13.1696, 67.8090)
Luminance	0.1317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B51DA #D0DA51

analogous

#518BDA #5B51DA #9F51DA

triadic

#5B51DA #DA5B51 #51DA5B

tetradic

#5B51DA #DA518B #D0DA51 #51DA9F

square

#5B51DA #DA518B #D0DA51 #51DA9F

split-complementary

#5B51DA #DA9F51 #8BDA51

monochromatic

#271F92 #352AC4 #5B51DA #8B83E5 #BAB6EF

Accessibility & contrast

On white

5.78

#5B51DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#5B51DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B51DA

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B51DA	#FFFFFF	#000000	##FFFFFF
##5B51DA	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDE

Deuteranopia (green-blind)

#0060D7

Tritanopia (blue-blind)

#00738E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5b51da;
/* rgb */ color: rgb(91, 81, 218);
/* oklch */ color: oklch(52.6% 0.202 280.2);

Tailwind

colors: {
  custom: {
    50: '#9582e6',
    500: '#5b51da',
    950: '#000000',
  },
}

SCSS

$custom: #5b51da;
$custom-light: #9582e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5b51da",
  "rgb": {
    "r": 91,
    "g": 81,
    "b": 218
  },
  "hsl": {
    "h": 244.38,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.52648,
    "c": 0.20175,
    "h": 280.2
  },
  "luminance": 0.13171
}

Semantic roles & 50–950 ramp

primary

#5B51DA

secondary

#DBDEA8

accent

#E840DC

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5B51DA

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

Preview Lab → · Contrast checker → · Palette generator →