#5A51CD#5A51CD

#5A51CD is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.5% C 0.185 H 281.0°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#5A51CD
RGB	rgb(90, 81, 205)
HSL	hsl(244, 55%, 56%)
HSV	hsv(244, 60%, 80%)
CMYK	cmyk(56.1%, 60.5%, 0%, 19.6%)
CIE-LAB	lab(41.95, 38.29, -63.32)
CIE-LCH	lch(41.95, 74.00, 301.16°)
OKLab	oklab(51.53% 0.0352 -0.1818)
OKLCH	oklch(51.53% 0.185 281)
XYZ	xyz(18.1749, 12.4651, 59.1941)
Luminance	0.1247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A51CD #C4CD51

analogous

#5186CD #5A51CD #9851CD

triadic

#5A51CD #CD5A51 #51CD5A

tetradic

#5A51CD #CD5186 #C4CD51 #51CD98

square

#5A51CD #CD5186 #C4CD51 #51CD98

split-complementary

#5A51CD #CD9851 #86CD51

monochromatic

#2B257F #3B32AF #5A51CD #8781DB #B4B0E8

Accessibility & contrast

On white

6.01

#5A51CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#5A51CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5A51CD

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A51CD	#FFFFFF	#000000	##FFFFFF
##5A51CD	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D1

Deuteranopia (green-blind)

#005ECA

Tritanopia (blue-blind)

#1E6F87

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #5a51cd;
/* rgb */ color: rgb(90, 81, 205);
/* oklch */ color: oklch(51.5% 0.185 281.0);

Tailwind

colors: {
  custom: {
    50: '#9382dd',
    500: '#5a51cd',
    950: '#000000',
  },
}

SCSS

$custom: #5a51cd;
$custom-light: #9382dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5a51cd",
  "rgb": {
    "r": 90,
    "g": 81,
    "b": 205
  },
  "hsl": {
    "h": 244.355,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.51533,
    "c": 0.18519,
    "h": 281
  },
  "luminance": 0.12466
}

Semantic roles & 50–950 ramp

primary

#5A51CD

secondary

#D3D7A3

accent

#DF49D4

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #5A51CD

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

Preview Lab → · Contrast checker → · Palette generator →