#5399CF#5399CF

#5399CF is a light, moderate cyan. Relative luminance 0.291; OKLCH L 66.0% C 0.107 H 243.8°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#5399CF
RGB	rgb(83, 153, 207)
HSL	hsl(206, 56%, 57%)
HSV	hsv(206, 60%, 81%)
CMYK	cmyk(59.9%, 26.1%, 0%, 18.8%)
CIE-LAB	lab(60.89, -5.95, -34.31)
CIE-LCH	lch(60.89, 34.83, 260.16°)
OKLab	oklab(65.99% -0.0475 -0.0964)
OKLCH	oklch(65.99% 0.107 243.8)
XYZ	xyz(26.2168, 29.1240, 63.2593)
Luminance	0.2913 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5399CF #CF8953

analogous

#53CFC7 #5399CF #535BCF

triadic

#5399CF #CF5399 #99CF53

tetradic

#5399CF #C753CF #CF8953 #5BCF53

square

#5399CF #C753CF #CF8953 #5BCF53

split-complementary

#5399CF #CF535B #CFC753

monochromatic

#255A83 #327BB3 #5399CF #83B5DC #B3D2EA

Accessibility & contrast

On white

3.08

#5399CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.83

#5399CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5399CF

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5399CF	#FFFFFF	#000000	##000000
##5399CF	1.00	3.08	6.83	6.83
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.83	21.00	1.00	1.00
##000000	6.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#819AD1

Deuteranopia (green-blind)

#718DCE

Tritanopia (blue-blind)

#00A6AC

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #5399cf;
/* rgb */ color: rgb(83, 153, 207);
/* oklch */ color: oklch(66.0% 0.107 243.8);

Tailwind

colors: {
  custom: {
    50: '#8eb6de',
    500: '#5399cf',
    950: '#000000',
  },
}

SCSS

$custom: #5399cf;
$custom-light: #8eb6de;
$custom-dark: #000000;

JSON

{
  "hex": "#5399cf",
  "rgb": {
    "r": 83,
    "g": 153,
    "b": 207
  },
  "hsl": {
    "h": 206.129,
    "s": 56.364,
    "l": 56.863
  },
  "oklch": {
    "l": 0.65988,
    "c": 0.10747,
    "h": 243.8
  },
  "luminance": 0.29126
}

Semantic roles & 50–950 ramp

primary

#5399CF

secondary

#D8BCA6

accent

#8A48E0

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #5399CF

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

Preview Lab → · Contrast checker → · Palette generator →