#5251E0#5251E0

#5251E0 is a mid, highly saturated blue. Relative luminance 0.131; OKLCH L 52.5% C 0.211 H 276.6°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#5251E0
RGB	rgb(82, 81, 224)
HSL	hsl(240, 70%, 60%)
HSV	hsv(240, 64%, 88%)
CMYK	cmyk(63.4%, 63.8%, 0%, 12.2%)
CIE-LAB	lab(42.85, 43.09, -72.76)
CIE-LCH	lch(42.85, 84.56, 300.64°)
OKLab	oklab(52.51% 0.0243 -0.2097)
OKLCH	oklch(52.51% 0.211 276.6)
XYZ	xyz(19.8723, 13.0589, 71.9799)
Luminance	0.1306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5251E0 #DFE051

analogous

#5197E0 #5251E0 #9A51E0

triadic

#5251E0 #E05251 #51E052

tetradic

#5251E0 #E05197 #DFE051 #51E09A

square

#5251E0 #E05197 #DFE051 #51E09A

split-complementary

#5251E0 #E09A51 #97E051

monochromatic

#1D1C9B #2625CF #5251E0 #8685E9 #B9B9F3

Accessibility & contrast

On white

5.81

#5251E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#5251E0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5251E0

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5251E0	#FFFFFF	#000000	##FFFFFF
##5251E0	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE5

Deuteranopia (green-blind)

#005FDD

Tritanopia (blue-blind)

#007691

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5251e0;
/* rgb */ color: rgb(82, 81, 224);
/* oklch */ color: oklch(52.5% 0.211 276.6);

Tailwind

colors: {
  custom: {
    50: '#9282eb',
    500: '#5251e0',
    950: '#000000',
  },
}

SCSS

$custom: #5251e0;
$custom-light: #9282eb;
$custom-dark: #000000;

JSON

{
  "hex": "#5251e0",
  "rgb": {
    "r": 82,
    "g": 81,
    "b": 224
  },
  "hsl": {
    "h": 240.42,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.52511,
    "c": 0.21114,
    "h": 276.6
  },
  "luminance": 0.13061
}

Semantic roles & 50–950 ramp

primary

#5251E0

secondary

#E2E2AB

accent

#ED3BEB

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5251E0

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

Preview Lab → · Contrast checker → · Palette generator →