#5599DC#5599DC

#5599DC is a light, vivid cyan. Relative luminance 0.299; OKLCH L 66.7% C 0.122 H 249.8°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#5599DC
RGB	rgb(85, 153, 220)
HSL	hsl(210, 66%, 60%)
HSV	hsv(210, 61%, 86%)
CMYK	cmyk(61.4%, 30.5%, 0%, 13.7%)
CIE-LAB	lab(61.55, -1.37, -40.52)
CIE-LCH	lch(61.55, 40.55, 268.07°)
OKLab	oklab(66.72% -0.0421 -0.1144)
OKLCH	oklch(66.72% 0.122 249.8)
XYZ	xyz(28.0511, 29.8784, 71.9851)
Luminance	0.2988 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5599DC #DC9855

analogous

#55DCDC #5599DC #5555DC

triadic

#5599DC #DC5599 #99DC55

tetradic

#5599DC #DC55DC #DC9855 #55DC55

square

#5599DC #DC55DC #DC9855 #55DC55

split-complementary

#5599DC #DC5555 #DCDC55

monochromatic

#1F5C97 #2A7ACA #5599DC #88B7E6 #BBD6F1

Accessibility & contrast

On white

3.01

#5599DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#5599DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5599DC

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5599DC	#FFFFFF	#000000	##000000
##5599DC	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C9CDF

Deuteranopia (green-blind)

#6A8FDB

Tritanopia (blue-blind)

#00A9B1

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #5599dc;
/* rgb */ color: rgb(85, 153, 220);
/* oklch */ color: oklch(66.7% 0.122 249.8);

Tailwind

colors: {
  custom: {
    50: '#90b6e7',
    500: '#5599dc',
    950: '#000000',
  },
}

SCSS

$custom: #5599dc;
$custom-light: #90b6e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5599dc",
  "rgb": {
    "r": 85,
    "g": 153,
    "b": 220
  },
  "hsl": {
    "h": 209.778,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.66718,
    "c": 0.12186,
    "h": 249.8
  },
  "luminance": 0.29881
}

Semantic roles & 50–950 ramp

primary

#5599DC

secondary

#E0C6AC

accent

#933FE9

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #5599DC

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

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