#5399E4#5399E4

#5399E4 is a light, vivid cyan. Relative luminance 0.302; OKLCH L 67.0% C 0.133 H 251.8°. Best body text is #000000 at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#5399E4
RGB	rgb(83, 153, 228)
HSL	hsl(211, 73%, 61%)
HSV	hsv(211, 64%, 89%)
CMYK	cmyk(63.6%, 32.9%, 0%, 10.6%)
CIE-LAB	lab(61.84, 0.91, -44.50)
CIE-LCH	lch(61.84, 44.51, 271.17°)
OKLab	oklab(67.05% -0.0413 -0.126)
OKLCH	oklch(67.05% 0.133 251.8)
XYZ	xyz(28.9570, 30.2201, 77.6908)
Luminance	0.3022 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5399E4 #E49E53

analogous

#53E2E4 #5399E4 #5553E4

triadic

#5399E4 #E45399 #99E453

tetradic

#5399E4 #E453E2 #E49E53 #53E455

square

#5399E4 #E453E2 #E49E53 #53E455

split-complementary

#5399E4 #E45553 #E2E453

monochromatic

#1A5CA3 #227AD8 #5399E4 #88B8EC #BDD8F5

Accessibility & contrast

On white

2.98

#5399E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.04

#5399E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5399E4

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5399E4	#FFFFFF	#000000	##000000
##5399E4	1.00	2.98	7.04	7.04
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.04	21.00	1.00	1.00
##000000	7.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#799DE7

Deuteranopia (green-blind)

#658FE3

Tritanopia (blue-blind)

#00AAB4

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #5399e4;
/* rgb */ color: rgb(83, 153, 228);
/* oklch */ color: oklch(67.0% 0.133 251.8);

Tailwind

colors: {
  custom: {
    50: '#90b6ed',
    500: '#5399e4',
    950: '#000000',
  },
}

SCSS

$custom: #5399e4;
$custom-light: #90b6ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5399e4",
  "rgb": {
    "r": 83,
    "g": 153,
    "b": 228
  },
  "hsl": {
    "h": 211.034,
    "s": 72.864,
    "l": 60.98
  },
  "oklch": {
    "l": 0.6705,
    "c": 0.13257,
    "h": 251.8
  },
  "luminance": 0.30223
}

Semantic roles & 50–950 ramp

primary

#5399E4

secondary

#E5CAAE

accent

#7611D5

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #5399E4

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

Preview Lab → · Contrast checker → · Palette generator →