#5388EC#5388EC

#5388EC is a light, vivid blue. Relative luminance 0.255; OKLCH L 63.9% C 0.161 H 261.9°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#5388EC
RGB	rgb(83, 136, 236)
HSL	hsl(219, 80%, 63%)
HSV	hsv(219, 65%, 93%)
CMYK	cmyk(64.8%, 42.4%, 0%, 7.5%)
CIE-LAB	lab(57.56, 13.66, -55.73)
CIE-LCH	lch(57.56, 57.38, 283.77°)
OKLab	oklab(63.85% -0.0227 -0.159)
OKLCH	oklch(63.85% 0.161 261.9)
XYZ	xyz(27.5064, 25.5008, 82.8132)
Luminance	0.2550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5388EC #ECB753

analogous

#53D4EC #5388EC #6B53EC

triadic

#5388EC #EC5388 #88EC53

tetradic

#5388EC #EC53D4 #ECB753 #53EC6B

square

#5388EC #EC53D4 #ECB753 #53EC6B

split-complementary

#5388EC #EC6B53 #D4EC53

monochromatic

#144AB1 #1C62E6 #5388EC #8AAEF2 #C1D4F8

Accessibility & contrast

On white

3.44

#5388EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#5388EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5388EC

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5388EC	#FFFFFF	#000000	##000000
##5388EC	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5992F0

Deuteranopia (green-blind)

#4184EA

Tritanopia (blue-blind)

#009FAE

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #5388ec;
/* rgb */ color: rgb(83, 136, 236);
/* oklch */ color: oklch(63.9% 0.161 261.9);

Tailwind

colors: {
  custom: {
    50: '#92aaf3',
    500: '#5388ec',
    950: '#000000',
  },
}

SCSS

$custom: #5388ec;
$custom-light: #92aaf3;
$custom-dark: #000000;

JSON

{
  "hex": "#5388ec",
  "rgb": {
    "r": 83,
    "g": 136,
    "b": 236
  },
  "hsl": {
    "h": 219.216,
    "s": 80.105,
    "l": 62.549
  },
  "oklch": {
    "l": 0.63853,
    "c": 0.16066,
    "h": 261.9
  },
  "luminance": 0.25503
}

Semantic roles & 50–950 ramp

primary

#5388EC

secondary

#E9D6B2

accent

#9309DC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5388EC

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

Preview Lab → · Contrast checker → · Palette generator →