#5399EC#5399EC

#5399EC is a light, vivid cyan. Relative luminance 0.307; OKLCH L 67.5% C 0.143 H 254.0°. Best body text is #000000 at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#5399EC
RGB	rgb(83, 153, 236)
HSL	hsl(213, 80%, 63%)
HSV	hsv(213, 65%, 93%)
CMYK	cmyk(64.8%, 35.2%, 0%, 7.5%)
CIE-LAB	lab(62.23, 3.58, -48.31)
CIE-LCH	lch(62.23, 48.44, 274.24°)
OKLab	oklab(67.48% -0.0393 -0.1371)
OKLCH	oklch(67.48% 0.143 254)
XYZ	xyz(30.0933, 30.6746, 83.6755)
Luminance	0.3068 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5399EC #ECA653

analogous

#53E6EC #5399EC #5953EC

triadic

#5399EC #EC5399 #99EC53

tetradic

#5399EC #EC53E6 #ECA653 #53EC59

square

#5399EC #EC53E6 #ECA653 #53EC59

split-complementary

#5399EC #EC5953 #E6EC53

monochromatic

#145CB1 #1C78E6 #5399EC #8ABAF2 #C1DAF8

Accessibility & contrast

On white

2.94

#5399EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.14

#5399EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5399EC

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5399EC	#FFFFFF	#000000	##000000
##5399EC	1.00	2.94	7.14	7.14
#FFFFFF	2.94	1.00	21.00	21.00
#000000	7.14	21.00	1.00	1.00
##000000	7.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#759EEF

Deuteranopia (green-blind)

#5F90EA

Tritanopia (blue-blind)

#00ACB7

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #5399ec;
/* rgb */ color: rgb(83, 153, 236);
/* oklch */ color: oklch(67.5% 0.143 254.0);

Tailwind

colors: {
  custom: {
    50: '#92b6f2',
    500: '#5399ec',
    950: '#000000',
  },
}

SCSS

$custom: #5399ec;
$custom-light: #92b6f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5399ec",
  "rgb": {
    "r": 83,
    "g": 153,
    "b": 236
  },
  "hsl": {
    "h": 212.549,
    "s": 80.105,
    "l": 62.549
  },
  "oklch": {
    "l": 0.67481,
    "c": 0.14258,
    "h": 254
  },
  "luminance": 0.30678
}

Semantic roles & 50–950 ramp

primary

#5399EC

secondary

#E9D0B2

accent

#7C09DC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #5399EC

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

Preview Lab → · Contrast checker → · Palette generator →