#5378E4#5378E4

#5378E4 is a mid, vivid blue. Relative luminance 0.209; OKLCH L 60.1% C 0.169 H 267.0°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#5378E4
RGB	rgb(83, 120, 228)
HSL	hsl(225, 73%, 61%)
HSV	hsv(225, 64%, 89%)
CMYK	cmyk(63.6%, 47.4%, 0%, 10.6%)
CIE-LAB	lab(52.81, 20.68, -58.88)
CIE-LCH	lch(52.81, 62.40, 289.35°)
OKLab	oklab(60.06% -0.0088 -0.1685)
OKLCH	oklch(60.06% 0.169 267)
XYZ	xyz(24.2825, 20.8712, 76.1326)
Luminance	0.2087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5378E4 #E4BF53

analogous

#53C0E4 #5378E4 #7653E4

triadic

#5378E4 #E45378 #78E453

tetradic

#5378E4 #E453C0 #E4BF53 #53E476

square

#5378E4 #E453C0 #E4BF53 #53E476

split-complementary

#5378E4 #E47653 #C0E453

monochromatic

#1A3DA3 #2250D8 #5378E4 #88A2EC #BDCBF5

Accessibility & contrast

On white

4.06

#5378E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#5378E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5378E4

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5378E4	#FFFFFF	#000000	##000000
##5378E4	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4085E8

Deuteranopia (green-blind)

#2378E2

Tritanopia (blue-blind)

#0091A3

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #5378e4;
/* rgb */ color: rgb(83, 120, 228);
/* oklch */ color: oklch(60.1% 0.169 267.0);

Tailwind

colors: {
  custom: {
    50: '#919eed',
    500: '#5378e4',
    950: '#000000',
  },
}

SCSS

$custom: #5378e4;
$custom-light: #919eed;
$custom-dark: #000000;

JSON

{
  "hex": "#5378e4",
  "rgb": {
    "r": 83,
    "g": 120,
    "b": 228
  },
  "hsl": {
    "h": 224.69,
    "s": 72.864,
    "l": 60.98
  },
  "oklch": {
    "l": 0.60056,
    "c": 0.16874,
    "h": 267
  },
  "luminance": 0.20873
}

Semantic roles & 50–950 ramp

primary

#5378E4

secondary

#E5D7AE

accent

#A311D5

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5378E4

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

Preview Lab → · Contrast checker → · Palette generator →