#5591DF#5591DF

#5591DF is a light, vivid cyan. Relative luminance 0.275; OKLCH L 65.1% C 0.133 H 255.7°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#5591DF
RGB	rgb(85, 145, 223)
HSL	hsl(214, 68%, 60%)
HSV	hsv(214, 62%, 87%)
CMYK	cmyk(61.9%, 35%, 0%, 12.5%)
CIE-LAB	lab(59.44, 4.26, -45.51)
CIE-LCH	lch(59.44, 45.71, 275.35°)
OKLab	oklab(65.11% -0.0329 -0.129)
OKLCH	oklch(65.11% 0.133 255.7)
XYZ	xyz(27.1862, 27.5073, 73.6745)
Luminance	0.2751 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5591DF #DFA355

analogous

#55D6DF #5591DF #5E55DF

triadic

#5591DF #DF5591 #91DF55

tetradic

#5591DF #DF55D6 #DFA355 #55DF5E

square

#5591DF #DF55D6 #DFA355 #55DF5E

split-complementary

#5591DF #DF5E55 #D6DF55

monochromatic

#1D559C #2770D0 #5591DF #89B2E9 #BCD4F2

Accessibility & contrast

On white

3.23

#5591DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#5591DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5591DF

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5591DF	#FFFFFF	#000000	##000000
##5591DF	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7096E2

Deuteranopia (green-blind)

#5D89DD

Tritanopia (blue-blind)

#00A3AD

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #5591df;
/* rgb */ color: rgb(85, 145, 223);
/* oklch */ color: oklch(65.1% 0.133 255.7);

Tailwind

colors: {
  custom: {
    50: '#91b0e9',
    500: '#5591df',
    950: '#000000',
  },
}

SCSS

$custom: #5591df;
$custom-light: #91b0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5591df",
  "rgb": {
    "r": 85,
    "g": 145,
    "b": 223
  },
  "hsl": {
    "h": 213.913,
    "s": 68.317,
    "l": 60.392
  },
  "oklch": {
    "l": 0.65114,
    "c": 0.1331,
    "h": 255.7
  },
  "luminance": 0.2751
}

Semantic roles & 50–950 ramp

primary

#5591DF

secondary

#E2CBAE

accent

#7F15D0

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5591DF

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

Preview Lab → · Contrast checker → · Palette generator →