#5599DF#5599DF

#5599DF is a light, vivid cyan. Relative luminance 0.300; OKLCH L 66.9% C 0.126 H 250.8°. Best body text is #000000 at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#5599DF
RGB	rgb(85, 153, 223)
HSL	hsl(210, 68%, 60%)
HSV	hsv(210, 62%, 87%)
CMYK	cmyk(61.9%, 31.4%, 0%, 12.5%)
CIE-LAB	lab(61.69, -0.39, -41.97)
CIE-LCH	lch(61.69, 41.98, 269.47°)
OKLab	oklab(66.87% -0.0412 -0.1186)
OKLCH	oklch(66.87% 0.126 250.8)
XYZ	xyz(28.4520, 30.0388, 74.0964)
Luminance	0.3004 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5599DF #DF9B55

analogous

#55DEDF #5599DF #5655DF

triadic

#5599DF #DF5599 #99DF55

tetradic

#5599DF #DF55DE #DF9B55 #55DF56

square

#5599DF #DF55DE #DF9B55 #55DF56

split-complementary

#5599DF #DF5655 #DEDF55

monochromatic

#1D5C9C #277AD0 #5599DF #89B8E9 #BCD7F2

Accessibility & contrast

On white

3.00

#5599DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

7.01

#5599DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5599DF

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5599DF	#FFFFFF	#000000	##000000
##5599DF	1.00	3.00	7.01	7.01
#FFFFFF	3.00	1.00	21.00	21.00
#000000	7.01	21.00	1.00	1.00
##000000	7.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B9CE2

Deuteranopia (green-blind)

#688FDE

Tritanopia (blue-blind)

#00A9B2

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #5599df;
/* rgb */ color: rgb(85, 153, 223);
/* oklch */ color: oklch(66.9% 0.126 250.8);

Tailwind

colors: {
  custom: {
    50: '#91b6e9',
    500: '#5599df',
    950: '#000000',
  },
}

SCSS

$custom: #5599df;
$custom-light: #91b6e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5599df",
  "rgb": {
    "r": 85,
    "g": 153,
    "b": 223
  },
  "hsl": {
    "h": 210.435,
    "s": 68.317,
    "l": 60.392
  },
  "oklch": {
    "l": 0.66873,
    "c": 0.12553,
    "h": 250.8
  },
  "luminance": 0.30041
}

Semantic roles & 50–950 ramp

primary

#5599DF

secondary

#E2C8AE

accent

#7415D0

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #5599DF

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

Preview Lab → · Contrast checker → · Palette generator →