#5599F0#5599F0

#5599F0 is a light, vivid cyan. Relative luminance 0.310; OKLCH L 67.8% C 0.147 H 255.5°. Best body text is #000000 at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#5599F0
RGB	rgb(85, 153, 240)
HSL	hsl(214, 84%, 64%)
HSV	hsv(214, 65%, 94%)
CMYK	cmyk(64.6%, 36.3%, 0%, 5.9%)
CIE-LAB	lab(62.51, 5.25, -50.07)
CIE-LCH	lch(62.51, 50.34, 275.99°)
OKLab	oklab(67.78% -0.0368 -0.1422)
OKLCH	oklch(67.78% 0.147 255.5)
XYZ	xyz(30.8600, 31.0020, 86.7788)
Luminance	0.3100 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5599F0 #F0AC55

analogous

#55E7F0 #5599F0 #5E55F0

triadic

#5599F0 #F05599 #99F055

tetradic

#5599F0 #F055E7 #F0AC55 #55F05E

square

#5599F0 #F055E7 #F0AC55 #55F05E

split-complementary

#5599F0 #F05E55 #E7F055

monochromatic

#105BBA #1D77EB #5599F0 #8DBBF5 #C5DCFA

Accessibility & contrast

On white

2.92

#5599F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.20

#5599F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5599F0

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5599F0	#FFFFFF	#000000	##000000
##5599F0	1.00	2.92	7.20	7.20
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.20	21.00	1.00	1.00
##000000	7.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#739FF4

Deuteranopia (green-blind)

#5D90EE

Tritanopia (blue-blind)

#00ADB9

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #5599f0;
/* rgb */ color: rgb(85, 153, 240);
/* oklch */ color: oklch(67.8% 0.147 255.5);

Tailwind

colors: {
  custom: {
    50: '#93b6f5',
    500: '#5599f0',
    950: '#000000',
  },
}

SCSS

$custom: #5599f0;
$custom-light: #93b6f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5599f0",
  "rgb": {
    "r": 85,
    "g": 153,
    "b": 240
  },
  "hsl": {
    "h": 213.677,
    "s": 83.784,
    "l": 63.725
  },
  "oklch": {
    "l": 0.67784,
    "c": 0.14688,
    "h": 255.5
  },
  "luminance": 0.31005
}

Semantic roles & 50–950 ramp

primary

#5599F0

secondary

#ECD4B5

accent

#8005E0

background

#F9FBFF

surface

#F2F6FE

border

#CCD0D6

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #5599F0

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

Preview Lab → · Contrast checker → · Palette generator →