#5599E9#5599E9

#5599E9 is a light, vivid cyan. Relative luminance 0.306; OKLCH L 67.4% C 0.138 H 253.8°. Best body text is #000000 at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#5599E9
RGB	rgb(85, 153, 233)
HSL	hsl(212, 77%, 62%)
HSV	hsv(212, 64%, 91%)
CMYK	cmyk(63.5%, 34.3%, 0%, 8.6%)
CIE-LAB	lab(62.16, 2.92, -46.76)
CIE-LCH	lch(62.16, 46.85, 273.57°)
OKLab	oklab(67.4% -0.0385 -0.1325)
OKLCH	oklch(67.4% 0.138 253.8)
XYZ	xyz(29.8402, 30.5941, 81.4077)
Luminance	0.3060 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5599E9 #E9A555

analogous

#55E3E9 #5599E9 #5B55E9

triadic

#5599E9 #E95599 #99E955

tetradic

#5599E9 #E955E3 #E9A555 #55E95B

square

#5599E9 #E955E3 #E9A555 #55E95B

split-complementary

#5599E9 #E95B55 #E3E955

monochromatic

#165CAD #1F78E2 #5599E9 #8BBAF0 #C1DAF7

Accessibility & contrast

On white

2.95

#5599E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.12

#5599E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5599E9

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5599E9	#FFFFFF	#000000	##000000
##5599E9	1.00	2.95	7.12	7.12
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.12	21.00	1.00	1.00
##000000	7.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#769EEC

Deuteranopia (green-blind)

#6290E7

Tritanopia (blue-blind)

#00ABB6

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #5599e9;
/* rgb */ color: rgb(85, 153, 233);
/* oklch */ color: oklch(67.4% 0.138 253.8);

Tailwind

colors: {
  custom: {
    50: '#92b6f0',
    500: '#5599e9',
    950: '#000000',
  },
}

SCSS

$custom: #5599e9;
$custom-light: #92b6f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5599e9",
  "rgb": {
    "r": 85,
    "g": 153,
    "b": 233
  },
  "hsl": {
    "h": 212.432,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.67401,
    "c": 0.138,
    "h": 253.8
  },
  "luminance": 0.30597
}

Semantic roles & 50–950 ramp

primary

#5599E9

secondary

#E8CFB2

accent

#7B0CD9

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #5599E9

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

Preview Lab → · Contrast checker → · Palette generator →