#5251E9#5251E9

#5251E9 is a mid, highly saturated blue. Relative luminance 0.136; OKLCH L 53.3% C 0.222 H 276.0°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#5251E9
RGB	rgb(82, 81, 233)
HSL	hsl(240, 78%, 62%)
HSV	hsv(240, 65%, 91%)
CMYK	cmyk(64.8%, 65.2%, 0%, 8.6%)
CIE-LAB	lab(43.60, 45.99, -76.65)
CIE-LCH	lch(43.60, 89.39, 300.97°)
OKLab	oklab(53.28% 0.0234 -0.2211)
OKLCH	oklch(53.28% 0.222 276)
XYZ	xyz(21.1253, 13.5601, 78.5791)
Luminance	0.1356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5251E9 #E8E951

analogous

#519CE9 #5251E9 #9E51E9

triadic

#5251E9 #E95251 #51E952

tetradic

#5251E9 #E9519C #E8E951 #51E99E

square

#5251E9 #E9519C #E8E951 #51E99E

split-complementary

#5251E9 #E99E51 #9CE951

monochromatic

#1616AA #1E1CE0 #5251E9 #8887F0 #BEBEF7

Accessibility & contrast

On white

5.66

#5251E9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#5251E9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5251E9

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5251E9	#FFFFFF	#000000	##FFFFFF
##5251E9	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EEE

Deuteranopia (green-blind)

#0060E6

Tritanopia (blue-blind)

#007996

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5251e9;
/* rgb */ color: rgb(82, 81, 233);
/* oklch */ color: oklch(53.3% 0.222 276.0);

Tailwind

colors: {
  custom: {
    50: '#9482f1',
    500: '#5251e9',
    950: '#000000',
  },
}

SCSS

$custom: #5251e9;
$custom-light: #9482f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5251e9",
  "rgb": {
    "r": 82,
    "g": 81,
    "b": 233
  },
  "hsl": {
    "h": 240.395,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.53282,
    "c": 0.22238,
    "h": 276
  },
  "luminance": 0.13562
}

Semantic roles & 50–950 ramp

primary

#5251E9

secondary

#E7E7AF

accent

#DA0CD8

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0F0A17

muted

#7E7C85

Preview Lab

Preview with #5251E9

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

Preview Lab → · Contrast checker → · Palette generator →