#5251DB#5251DB

#5251DB is a mid, highly saturated blue. Relative luminance 0.128; OKLCH L 52.1% C 0.205 H 276.9°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#5251DB
RGB	rgb(82, 81, 219)
HSL	hsl(240, 66%, 59%)
HSV	hsv(240, 63%, 86%)
CMYK	cmyk(62.6%, 63%, 0%, 14.1%)
CIE-LAB	lab(42.45, 41.47, -70.57)
CIE-LCH	lch(42.45, 81.85, 300.44°)
OKLab	oklab(52.09% 0.0246 -0.2033)
OKLCH	oklch(52.09% 0.205 276.9)
XYZ	xyz(19.2041, 12.7916, 68.4611)
Luminance	0.1279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5251DB #DADB51

analogous

#5195DB #5251DB #9751DB

triadic

#5251DB #DB5251 #51DB52

tetradic

#5251DB #DB5195 #DADB51 #51DB97

square

#5251DB #DB5195 #DADB51 #51DB97

split-complementary

#5251DB #DB9751 #95DB51

monochromatic

#1F1E93 #2A29C6 #5251DB #8484E5 #B7B6F0

Accessibility & contrast

On white

5.90

#5251DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#5251DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5251DB

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5251DB	#FFFFFF	#000000	##FFFFFF
##5251DB	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADF

Deuteranopia (green-blind)

#005ED8

Tritanopia (blue-blind)

#00748E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5251db;
/* rgb */ color: rgb(82, 81, 219);
/* oklch */ color: oklch(52.1% 0.205 276.9);

Tailwind

colors: {
  custom: {
    50: '#9182e7',
    500: '#5251db',
    950: '#000000',
  },
}

SCSS

$custom: #5251db;
$custom-light: #9182e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5251db",
  "rgb": {
    "r": 82,
    "g": 81,
    "b": 219
  },
  "hsl": {
    "h": 240.435,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.52091,
    "c": 0.2048,
    "h": 276.9
  },
  "luminance": 0.12793
}

Semantic roles & 50–950 ramp

primary

#5251DB

secondary

#DFDFA9

accent

#E93FE7

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5251DB

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

Preview Lab → · Contrast checker → · Palette generator →