#5378EF#5378EF

#5378EF is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.8% C 0.184 H 267.7°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#5378EF
RGB	rgb(83, 120, 239)
HSL	hsl(226, 83%, 63%)
HSV	hsv(226, 65%, 94%)
CMYK	cmyk(65.3%, 49.8%, 0%, 6.3%)
CIE-LAB	lab(53.49, 24.44, -63.93)
CIE-LCH	lch(53.49, 68.44, 290.92°)
OKLab	oklab(60.8% -0.0075 -0.1834)
OKLCH	oklch(60.8% 0.184 267.7)
XYZ	xyz(25.8584, 21.5015, 84.4321)
Luminance	0.2150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5378EF #EFCA53

analogous

#53C6EF #5378EF #7C53EF

triadic

#5378EF #EF5378 #78EF53

tetradic

#5378EF #EF53C6 #EFCA53 #53EF7C

square

#5378EF #EF53C6 #EFCA53 #53EF7C

split-complementary

#5378EF #EF7C53 #C6EF53

monochromatic

#1138B7 #1B4CEA #5378EF #8BA4F4 #C3D0F9

Accessibility & contrast

On white

3.96

#5378EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#5378EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5378EF

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5378EF	#FFFFFF	#000000	##000000
##5378EF	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3487F3

Deuteranopia (green-blind)

#0079ED

Tritanopia (blue-blind)

#0094A8

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #5378ef;
/* rgb */ color: rgb(83, 120, 239);
/* oklch */ color: oklch(60.8% 0.184 267.7);

Tailwind

colors: {
  custom: {
    50: '#939ef5',
    500: '#5378ef',
    950: '#000000',
  },
}

SCSS

$custom: #5378ef;
$custom-light: #939ef5;
$custom-dark: #000000;

JSON

{
  "hex": "#5378ef",
  "rgb": {
    "r": 83,
    "g": 120,
    "b": 239
  },
  "hsl": {
    "h": 225.769,
    "s": 82.979,
    "l": 63.137
  },
  "oklch": {
    "l": 0.60798,
    "c": 0.18351,
    "h": 267.7
  },
  "luminance": 0.21504
}

Semantic roles & 50–950 ramp

primary

#5378EF

secondary

#EBDEB3

accent

#AC06DF

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #5378EF

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

Preview Lab → · Contrast checker → · Palette generator →