#5388EF#5388EF

#5388EF is a light, vivid blue. Relative luminance 0.257; OKLCH L 64.0% C 0.165 H 262.3°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#5388EF
RGB	rgb(83, 136, 239)
HSL	hsl(220, 83%, 63%)
HSV	hsv(220, 65%, 94%)
CMYK	cmyk(65.3%, 43.1%, 0%, 6.3%)
CIE-LAB	lab(57.73, 14.68, -57.13)
CIE-LCH	lch(57.73, 58.98, 284.41°)
OKLab	oklab(64.04% -0.0222 -0.1631)
OKLCH	oklch(64.04% 0.165 262.3)
XYZ	xyz(27.9459, 25.6766, 85.1279)
Luminance	0.2568 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5388EF #EFBA53

analogous

#53D6EF #5388EF #6C53EF

triadic

#5388EF #EF5388 #88EF53

tetradic

#5388EF #EF53D6 #EFBA53 #53EF6C

square

#5388EF #EF53D6 #EFBA53 #53EF6C

split-complementary

#5388EF #EF6C53 #D6EF53

monochromatic

#1149B7 #1B61EA #5388EF #8BAFF4 #C3D5F9

Accessibility & contrast

On white

3.42

#5388EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.14

#5388EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5388EF

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5388EF	#FFFFFF	#000000	##000000
##5388EF	1.00	3.42	6.14	6.14
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.14	21.00	1.00	1.00
##000000	6.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5792F3

Deuteranopia (green-blind)

#3D84ED

Tritanopia (blue-blind)

#00A0B0

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #5388ef;
/* rgb */ color: rgb(83, 136, 239);
/* oklch */ color: oklch(64.0% 0.165 262.3);

Tailwind

colors: {
  custom: {
    50: '#92aaf5',
    500: '#5388ef',
    950: '#000000',
  },
}

SCSS

$custom: #5388ef;
$custom-light: #92aaf5;
$custom-dark: #000000;

JSON

{
  "hex": "#5388ef",
  "rgb": {
    "r": 83,
    "g": 136,
    "b": 239
  },
  "hsl": {
    "h": 219.615,
    "s": 82.979,
    "l": 63.137
  },
  "oklch": {
    "l": 0.64038,
    "c": 0.16464,
    "h": 262.3
  },
  "luminance": 0.25679
}

Semantic roles & 50–950 ramp

primary

#5388EF

secondary

#EBD8B3

accent

#9606DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5388EF

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

Preview Lab → · Contrast checker → · Palette generator →