#5C51DB#5C51DB

#5C51DB is a mid, highly saturated blue. Relative luminance 0.133; OKLCH L 52.8% C 0.203 H 280.5°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#5C51DB
RGB	rgb(92, 81, 219)
HSL	hsl(245, 66%, 59%)
HSV	hsv(245, 63%, 86%)
CMYK	cmyk(58%, 63%, 0%, 14.1%)
CIE-LAB	lab(43.17, 43.03, -69.36)
CIE-LCH	lch(43.17, 81.62, 301.81°)
OKLab	oklab(52.81% 0.0368 -0.1995)
OKLCH	oklch(52.81% 0.203 280.5)
XYZ	xyz(20.1382, 13.2733, 68.5049)
Luminance	0.1328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5C51DB #D0DB51

analogous

#518BDB #5C51DB #A151DB

triadic

#5C51DB #DB5C51 #51DB5C

tetradic

#5C51DB #DB518B #D0DB51 #51DBA1

square

#5C51DB #DB518B #D0DB51 #51DBA1

split-complementary

#5C51DB #DBA151 #8BDB51

monochromatic

#281E93 #3529C6 #5C51DB #8C84E5 #BBB6F0

Accessibility & contrast

On white

5.75

#5C51DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#5C51DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5C51DB

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5C51DB	#FFFFFF	#000000	##FFFFFF
##5C51DB	1.00	5.75	3.66	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDF

Deuteranopia (green-blind)

#0061D8

Tritanopia (blue-blind)

#05738F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5c51db;
/* rgb */ color: rgb(92, 81, 219);
/* oklch */ color: oklch(52.8% 0.203 280.5);

Tailwind

colors: {
  custom: {
    50: '#9683e7',
    500: '#5c51db',
    950: '#000000',
  },
}

SCSS

$custom: #5c51db;
$custom-light: #9683e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5c51db",
  "rgb": {
    "r": 92,
    "g": 81,
    "b": 219
  },
  "hsl": {
    "h": 244.783,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.52805,
    "c": 0.20284,
    "h": 280.5
  },
  "luminance": 0.13275
}

Semantic roles & 50–950 ramp

primary

#5C51DB

secondary

#DBDFA9

accent

#E93FDB

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0F0A16

muted

#7E7C84

Preview Lab

Preview with #5C51DB

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

Preview Lab → · Contrast checker → · Palette generator →