#5251DD#5251DD

#5251DD is a mid, highly saturated blue. Relative luminance 0.129; OKLCH L 52.3% C 0.207 H 276.8°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#5251DD
RGB	rgb(82, 81, 221)
HSL	hsl(240, 67%, 59%)
HSV	hsv(240, 63%, 87%)
CMYK	cmyk(62.9%, 63.3%, 0%, 13.3%)
CIE-LAB	lab(42.61, 42.12, -71.45)
CIE-LCH	lch(42.61, 82.94, 300.52°)
OKLab	oklab(52.26% 0.0245 -0.2059)
OKLCH	oklch(52.26% 0.207 276.8)
XYZ	xyz(19.4690, 12.8976, 69.8561)
Luminance	0.1290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5251DD #DCDD51

analogous

#5196DD #5251DD #9851DD

triadic

#5251DD #DD5251 #51DD52

tetradic

#5251DD #DD5196 #DCDD51 #51DD98

square

#5251DD #DD5196 #DCDD51 #51DD98

split-complementary

#5251DD #DD9851 #96DD51

monochromatic

#1E1D96 #2927C9 #5251DD #8584E7 #B8B7F1

Accessibility & contrast

On white

5.87

#5251DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#5251DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5251DD

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5251DD	#FFFFFF	#000000	##FFFFFF
##5251DD	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE1

Deuteranopia (green-blind)

#005FDA

Tritanopia (blue-blind)

#007590

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5251dd;
/* rgb */ color: rgb(82, 81, 221);
/* oklch */ color: oklch(52.3% 0.207 276.8);

Tailwind

colors: {
  custom: {
    50: '#9182e9',
    500: '#5251dd',
    950: '#000000',
  },
}

SCSS

$custom: #5251dd;
$custom-light: #9182e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5251dd",
  "rgb": {
    "r": 82,
    "g": 81,
    "b": 221
  },
  "hsl": {
    "h": 240.429,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.52258,
    "c": 0.20734,
    "h": 276.8
  },
  "luminance": 0.12899
}

Semantic roles & 50–950 ramp

primary

#5251DD

secondary

#E0E0AA

accent

#EA3EE9

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5251DD

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

Preview Lab → · Contrast checker → · Palette generator →