#5399DC#5399DC

#5399DC is a light, vivid cyan. Relative luminance 0.298; OKLCH L 66.6% C 0.123 H 249.2°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#5399DC
RGB	rgb(83, 153, 220)
HSL	hsl(209, 66%, 59%)
HSV	hsv(209, 62%, 86%)
CMYK	cmyk(62.3%, 30.5%, 0%, 13.7%)
CIE-LAB	lab(61.47, -1.73, -40.66)
CIE-LCH	lch(61.47, 40.69, 267.56°)
OKLab	oklab(66.63% -0.0436 -0.1148)
OKLCH	oklch(66.63% 0.123 249.2)
XYZ	xyz(27.8720, 29.7861, 71.9767)
Luminance	0.2979 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5399DC #DC9653

analogous

#53DCDB #5399DC #5355DC

triadic

#5399DC #DC5399 #99DC53

tetradic

#5399DC #DB53DC #DC9653 #55DC53

square

#5399DC #DB53DC #DC9653 #55DC53

split-complementary

#5399DC #DC5355 #DCDB53

monochromatic

#1F5C96 #297BC9 #5399DC #86B7E6 #B9D5F1

Accessibility & contrast

On white

3.02

#5399DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.96

#5399DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5399DC

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5399DC	#FFFFFF	#000000	##000000
##5399DC	1.00	3.02	6.96	6.96
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.96	21.00	1.00	1.00
##000000	6.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C9CDF

Deuteranopia (green-blind)

#6A8EDB

Tritanopia (blue-blind)

#00A9B1

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #5399dc;
/* rgb */ color: rgb(83, 153, 220);
/* oklch */ color: oklch(66.6% 0.123 249.2);

Tailwind

colors: {
  custom: {
    50: '#8fb6e7',
    500: '#5399dc',
    950: '#000000',
  },
}

SCSS

$custom: #5399dc;
$custom-light: #8fb6e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5399dc",
  "rgb": {
    "r": 83,
    "g": 153,
    "b": 220
  },
  "hsl": {
    "h": 209.343,
    "s": 66.184,
    "l": 59.412
  },
  "oklch": {
    "l": 0.66634,
    "c": 0.12276,
    "h": 249.2
  },
  "luminance": 0.29789
}

Semantic roles & 50–950 ramp

primary

#5399DC

secondary

#E0C5AB

accent

#923FE9

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #5399DC

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

Preview Lab → · Contrast checker → · Palette generator →