#5378EB#5378EB

#5378EB is a mid, vivid blue. Relative luminance 0.213; OKLCH L 60.5% C 0.178 H 267.5°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#5378EB
RGB	rgb(83, 120, 235)
HSL	hsl(225, 79%, 62%)
HSV	hsv(225, 65%, 92%)
CMYK	cmyk(64.7%, 48.9%, 0%, 7.8%)
CIE-LAB	lab(53.24, 23.07, -62.10)
CIE-LCH	lch(53.24, 66.25, 290.38°)
OKLab	oklab(60.53% -0.0079 -0.178)
OKLCH	oklch(60.53% 0.178 267.5)
XYZ	xyz(25.2740, 21.2678, 81.3543)
Luminance	0.2127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5378EB #EBC653

analogous

#53C4EB #5378EB #7A53EB

triadic

#5378EB #EB5378 #78EB53

tetradic

#5378EB #EB53C4 #EBC653 #53EB7A

square

#5378EB #EB53C4 #EBC653 #53EB7A

split-complementary

#5378EB #EB7A53 #C4EB53

monochromatic

#143AAF #1C4DE5 #5378EB #8AA3F1 #C1CEF8

Accessibility & contrast

On white

4.00

#5378EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#5378EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5378EB

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5378EB	#FFFFFF	#000000	##000000
##5378EB	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3986EF

Deuteranopia (green-blind)

#0D79E9

Tritanopia (blue-blind)

#0093A6

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #5378eb;
/* rgb */ color: rgb(83, 120, 235);
/* oklch */ color: oklch(60.5% 0.178 267.5);

Tailwind

colors: {
  custom: {
    50: '#929ef2',
    500: '#5378eb',
    950: '#000000',
  },
}

SCSS

$custom: #5378eb;
$custom-light: #929ef2;
$custom-dark: #000000;

JSON

{
  "hex": "#5378eb",
  "rgb": {
    "r": 83,
    "g": 120,
    "b": 235
  },
  "hsl": {
    "h": 225.395,
    "s": 79.167,
    "l": 62.353
  },
  "oklch": {
    "l": 0.60525,
    "c": 0.17817,
    "h": 267.5
  },
  "luminance": 0.2127
}

Semantic roles & 50–950 ramp

primary

#5378EB

secondary

#E9DBB1

accent

#A80ADB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #5378EB

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

Preview Lab → · Contrast checker → · Palette generator →