#5278EF#5278EF

#5278EF is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.7% C 0.184 H 267.4°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#5278EF
RGB	rgb(82, 120, 239)
HSL	hsl(225, 83%, 63%)
HSV	hsv(225, 66%, 94%)
CMYK	cmyk(65.7%, 49.8%, 0%, 6.3%)
CIE-LAB	lab(53.45, 24.29, -64.01)
CIE-LCH	lch(53.45, 68.46, 290.78°)
OKLab	oklab(60.75% -0.0084 -0.1836)
OKLCH	oklch(60.75% 0.184 267.4)
XYZ	xyz(25.7708, 21.4563, 84.4280)
Luminance	0.2146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5278EF #EFC952

analogous

#52C6EF #5278EF #7B52EF

triadic

#5278EF #EF5278 #78EF52

tetradic

#5278EF #EF52C6 #EFC952 #52EF7B

square

#5278EF #EF52C6 #EFC952 #52EF7B

split-complementary

#5278EF #EF7B52 #C6EF52

monochromatic

#1139B6 #1A4CEA #5278EF #8AA4F4 #C2CFF9

Accessibility & contrast

On white

3.97

#5278EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#5278EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5278EF

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5278EF	#FFFFFF	#000000	##000000
##5278EF	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3387F3

Deuteranopia (green-blind)

#0079ED

Tritanopia (blue-blind)

#0094A8

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #5278ef;
/* rgb */ color: rgb(82, 120, 239);
/* oklch */ color: oklch(60.7% 0.184 267.4);

Tailwind

colors: {
  custom: {
    50: '#929ef5',
    500: '#5278ef',
    950: '#000000',
  },
}

SCSS

$custom: #5278ef;
$custom-light: #929ef5;
$custom-dark: #000000;

JSON

{
  "hex": "#5278ef",
  "rgb": {
    "r": 82,
    "g": 120,
    "b": 239
  },
  "hsl": {
    "h": 225.478,
    "s": 83.069,
    "l": 62.941
  },
  "oklch": {
    "l": 0.60748,
    "c": 0.18381,
    "h": 267.4
  },
  "luminance": 0.21459
}

Semantic roles & 50–950 ramp

primary

#5278EF

secondary

#EBDDB2

accent

#AB06DF

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #5278EF

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

Preview Lab → · Contrast checker → · Palette generator →