#5A51CF#5A51CF

#5A51CF is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.7% C 0.188 H 280.8°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#5A51CF
RGB	rgb(90, 81, 207)
HSL	hsl(244, 57%, 56%)
HSV	hsv(244, 61%, 81%)
CMYK	cmyk(56.5%, 60.9%, 0%, 18.8%)
CIE-LAB	lab(42.10, 38.92, -64.23)
CIE-LCH	lch(42.10, 75.11, 301.21°)
OKLab	oklab(51.69% 0.0351 -0.1845)
OKLCH	oklch(51.69% 0.188 280.8)
XYZ	xyz(18.4178, 12.5623, 60.4736)
Luminance	0.1256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A51CF #C6CF51

analogous

#5187CF #5A51CF #9951CF

triadic

#5A51CF #CF5A51 #51CF5A

tetradic

#5A51CF #CF5187 #C6CF51 #51CF99

square

#5A51CF #CF5187 #C6CF51 #51CF99

split-complementary

#5A51CF #CF9951 #87CF51

monochromatic

#2B2482 #3A31B2 #5A51CF #8781DC #B5B1E9

Accessibility & contrast

On white

5.98

#5A51CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#5A51CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5A51CF

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A51CF	#FFFFFF	#000000	##FFFFFF
##5A51CF	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D3

Deuteranopia (green-blind)

#005FCC

Tritanopia (blue-blind)

#1A7088

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #5a51cf;
/* rgb */ color: rgb(90, 81, 207);
/* oklch */ color: oklch(51.7% 0.188 280.8);

Tailwind

colors: {
  custom: {
    50: '#9382df',
    500: '#5a51cf',
    950: '#000000',
  },
}

SCSS

$custom: #5a51cf;
$custom-light: #9382df;
$custom-dark: #000000;

JSON

{
  "hex": "#5a51cf",
  "rgb": {
    "r": 90,
    "g": 81,
    "b": 207
  },
  "hsl": {
    "h": 244.286,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.51691,
    "c": 0.18779,
    "h": 280.8
  },
  "luminance": 0.12564
}

Semantic roles & 50–950 ramp

primary

#5A51CF

secondary

#D4D8A4

accent

#E048D5

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #5A51CF

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

Preview Lab → · Contrast checker → · Palette generator →