#5251E4#5251E4

#5251E4 is a mid, highly saturated blue. Relative luminance 0.133; OKLCH L 52.9% C 0.216 H 276.3°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#5251E4
RGB	rgb(82, 81, 228)
HSL	hsl(240, 73%, 61%)
HSV	hsv(240, 64%, 89%)
CMYK	cmyk(64%, 64.5%, 0%, 10.6%)
CIE-LAB	lab(43.18, 44.38, -74.49)
CIE-LCH	lch(43.18, 86.71, 300.79°)
OKLab	oklab(52.85% 0.0239 -0.2148)
OKLCH	oklch(52.85% 0.216 276.3)
XYZ	xyz(20.4211, 13.2784, 74.8706)
Luminance	0.1328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5251E4 #E3E451

analogous

#5199E4 #5251E4 #9B51E4

triadic

#5251E4 #E45251 #51E452

tetradic

#5251E4 #E45199 #E3E451 #51E49B

square

#5251E4 #E45199 #E3E451 #51E49B

split-complementary

#5251E4 #E49B51 #99E451

monochromatic

#1A19A2 #2321D7 #5251E4 #8786EC #BBBBF4

Accessibility & contrast

On white

5.74

#5251E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#5251E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5251E4

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5251E4	#FFFFFF	#000000	##FFFFFF
##5251E4	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CE9

Deuteranopia (green-blind)

#0060E1

Tritanopia (blue-blind)

#007793

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5251e4;
/* rgb */ color: rgb(82, 81, 228);
/* oklch */ color: oklch(52.9% 0.216 276.3);

Tailwind

colors: {
  custom: {
    50: '#9382ee',
    500: '#5251e4',
    950: '#000000',
  },
}

SCSS

$custom: #5251e4;
$custom-light: #9382ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5251e4",
  "rgb": {
    "r": 82,
    "g": 81,
    "b": 228
  },
  "hsl": {
    "h": 240.408,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.52852,
    "c": 0.21616,
    "h": 276.3
  },
  "luminance": 0.1328
}

Semantic roles & 50–950 ramp

primary

#5251E4

secondary

#E4E4AC

accent

#D510D4

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5251E4

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

Preview Lab → · Contrast checker → · Palette generator →