#5599ED#5599ED

#5599ED is a light, vivid cyan. Relative luminance 0.308; OKLCH L 67.6% C 0.143 H 254.8°. Best body text is #000000 at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#5599ED
RGB	rgb(85, 153, 237)
HSL	hsl(213, 81%, 63%)
HSV	hsv(213, 64%, 93%)
CMYK	cmyk(64.1%, 35.4%, 0%, 7.1%)
CIE-LAB	lab(62.36, 4.25, -48.65)
CIE-LCH	lch(62.36, 48.84, 274.99°)
OKLab	oklab(67.62% -0.0375 -0.138)
OKLCH	oklch(67.62% 0.143 254.8)
XYZ	xyz(30.4181, 30.8252, 84.4512)
Luminance	0.3083 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5599ED #EDA955

analogous

#55E5ED #5599ED #5D55ED

triadic

#5599ED #ED5599 #99ED55

tetradic

#5599ED #ED55E5 #EDA955 #55ED5D

square

#5599ED #ED55E5 #EDA955 #55ED5D

split-complementary

#5599ED #ED5D55 #E5ED55

monochromatic

#135BB4 #1E78E7 #5599ED #8CBAF3 #C4DBF9

Accessibility & contrast

On white

2.93

#5599ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.17

#5599ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5599ED

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5599ED	#FFFFFF	#000000	##000000
##5599ED	1.00	2.93	7.17	7.17
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.17	21.00	1.00	1.00
##000000	7.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#749FF0

Deuteranopia (green-blind)

#5F90EB

Tritanopia (blue-blind)

#00ACB8

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #5599ed;
/* rgb */ color: rgb(85, 153, 237);
/* oklch */ color: oklch(67.6% 0.143 254.8);

Tailwind

colors: {
  custom: {
    50: '#93b6f3',
    500: '#5599ed',
    950: '#000000',
  },
}

SCSS

$custom: #5599ed;
$custom-light: #93b6f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5599ed",
  "rgb": {
    "r": 85,
    "g": 153,
    "b": 237
  },
  "hsl": {
    "h": 213.158,
    "s": 80.851,
    "l": 63.137
  },
  "oklch": {
    "l": 0.67619,
    "c": 0.14306,
    "h": 254.8
  },
  "luminance": 0.30828
}

Semantic roles & 50–950 ramp

primary

#5599ED

secondary

#EAD2B4

accent

#7E08DD

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #5599ED

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

Preview Lab → · Contrast checker → · Palette generator →