#5259EF#5259EF

#5259EF is a mid, highly saturated blue. Relative luminance 0.152; OKLCH L 55.1% C 0.221 H 274.4°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#5259EF
RGB	rgb(82, 89, 239)
HSL	hsl(237, 83%, 63%)
HSV	hsv(237, 66%, 94%)
CMYK	cmyk(65.7%, 62.8%, 0%, 6.3%)
CIE-LAB	lab(45.86, 43.23, -76.31)
CIE-LCH	lch(45.86, 87.71, 299.53°)
OKLab	oklab(55.09% 0.0171 -0.2201)
OKLCH	oklch(55.09% 0.221 274.4)
XYZ	xyz(22.6269, 15.1686, 83.3800)
Luminance	0.1517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5259EF #EFE852

analogous

#52A7EF #5259EF #9952EF

triadic

#5259EF #EF5259 #59EF52

tetradic

#5259EF #EF52A7 #EFE852 #52EF99

square

#5259EF #EF52A7 #EFE852 #52EF99

split-complementary

#5259EF #EF9952 #A7EF52

monochromatic

#1118B6 #1A23EA #5259EF #8A8FF4 #C2C5F9

Accessibility & contrast

On white

5.21

#5259EF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#5259EF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5259EF

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5259EF	#FFFFFF	#000000	##FFFFFF
##5259EF	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074F4

Deuteranopia (green-blind)

#0066EC

Tritanopia (blue-blind)

#007F9C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #5259ef;
/* rgb */ color: rgb(82, 89, 239);
/* oklch */ color: oklch(55.1% 0.221 274.4);

Tailwind

colors: {
  custom: {
    50: '#9488f5',
    500: '#5259ef',
    950: '#000000',
  },
}

SCSS

$custom: #5259ef;
$custom-light: #9488f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5259ef",
  "rgb": {
    "r": 82,
    "g": 89,
    "b": 239
  },
  "hsl": {
    "h": 237.325,
    "s": 83.069,
    "l": 62.941
  },
  "oklch": {
    "l": 0.55088,
    "c": 0.22079,
    "h": 274.4
  },
  "luminance": 0.15171
}

Semantic roles & 50–950 ramp

primary

#5259EF

secondary

#EBE8B2

accent

#D606DF

background

#F9F8FF

surface

#F2F0FF

border

#CCCBD7

text

#0F0B17

muted

#7E7C85

Preview Lab

Preview with #5259EF

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

Preview Lab → · Contrast checker → · Palette generator →