#5251D8#5251D8

#5251D8 is a mid, highly saturated blue. Relative luminance 0.126; OKLCH L 51.8% C 0.201 H 277.1°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#5251D8
RGB	rgb(82, 81, 216)
HSL	hsl(240, 63%, 58%)
HSV	hsv(240, 63%, 85%)
CMYK	cmyk(62%, 62.5%, 0%, 15.3%)
CIE-LAB	lab(42.21, 40.49, -69.24)
CIE-LCH	lch(42.21, 80.21, 300.32°)
OKLab	oklab(51.84% 0.0248 -0.1994)
OKLCH	oklch(51.84% 0.201 277.1)
XYZ	xyz(18.8128, 12.6351, 66.3999)
Luminance	0.1264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5251D8 #D7D851

analogous

#5194D8 #5251D8 #9551D8

triadic

#5251D8 #D85251 #51D852

tetradic

#5251D8 #D85194 #D7D851 #51D895

square

#5251D8 #D85194 #D7D851 #51D895

split-complementary

#5251D8 #D89551 #94D851

monochromatic

#21208F #2C2BC1 #5251D8 #8483E3 #B5B5EE

Accessibility & contrast

On white

5.95

#5251D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#5251D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5251D8

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5251D8	#FFFFFF	#000000	##FFFFFF
##5251D8	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DC

Deuteranopia (green-blind)

#005ED5

Tritanopia (blue-blind)

#00738D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5251d8;
/* rgb */ color: rgb(82, 81, 216);
/* oklch */ color: oklch(51.8% 0.201 277.1);

Tailwind

colors: {
  custom: {
    50: '#9082e5',
    500: '#5251d8',
    950: '#000000',
  },
}

SCSS

$custom: #5251d8;
$custom-light: #9082e5;
$custom-dark: #000000;

JSON

{
  "hex": "#5251d8",
  "rgb": {
    "r": 82,
    "g": 81,
    "b": 216
  },
  "hsl": {
    "h": 240.444,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.51841,
    "c": 0.20097,
    "h": 277.1
  },
  "luminance": 0.12637
}

Semantic roles & 50–950 ramp

primary

#5251D8

secondary

#DDDDA8

accent

#E641E5

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5251D8

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

Preview Lab → · Contrast checker → · Palette generator →