#5A51DB#5A51DB

#5A51DB is a mid, highly saturated blue. Relative luminance 0.132; OKLCH L 52.7% C 0.203 H 279.7°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#5A51DB
RGB	rgb(90, 81, 219)
HSL	hsl(244, 66%, 59%)
HSV	hsv(244, 63%, 86%)
CMYK	cmyk(58.9%, 63%, 0%, 14.1%)
CIE-LAB	lab(43.02, 42.70, -69.61)
CIE-LCH	lch(43.02, 81.66, 301.53°)
OKLab	oklab(52.66% 0.0343 -0.2003)
OKLCH	oklch(52.66% 0.203 279.7)
XYZ	xyz(19.9410, 13.1716, 68.4957)
Luminance	0.1317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A51DB #D2DB51

analogous

#518DDB #5A51DB #9F51DB

triadic

#5A51DB #DB5A51 #51DB5A

tetradic

#5A51DB #DB518D #D2DB51 #51DB9F

square

#5A51DB #DB518D #D2DB51 #51DB9F

split-complementary

#5A51DB #DB9F51 #8DDB51

monochromatic

#261E93 #3329C6 #5A51DB #8A84E5 #BAB6F0

Accessibility & contrast

On white

5.78

#5A51DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#5A51DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5A51DB

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A51DB	#FFFFFF	#000000	##FFFFFF
##5A51DB	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)

#006BDF

Deuteranopia (green-blind)

#0060D8

Tritanopia (blue-blind)

#00748F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5a51db;
/* rgb */ color: rgb(90, 81, 219);
/* oklch */ color: oklch(52.7% 0.203 279.7);

Tailwind

colors: {
  custom: {
    50: '#9582e7',
    500: '#5a51db',
    950: '#000000',
  },
}

SCSS

$custom: #5a51db;
$custom-light: #9582e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5a51db",
  "rgb": {
    "r": 90,
    "g": 81,
    "b": 219
  },
  "hsl": {
    "h": 243.913,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.52656,
    "c": 0.2032,
    "h": 279.7
  },
  "luminance": 0.13173
}

Semantic roles & 50–950 ramp

primary

#5A51DB

secondary

#DCDFA9

accent

#E93FDE

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5A51DB

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

Preview Lab → · Contrast checker → · Palette generator →