#5591D9#5591D9

#5591D9 is a light, vivid cyan. Relative luminance 0.272; OKLCH L 64.8% C 0.125 H 254.0°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#5591D9
RGB	rgb(85, 145, 217)
HSL	hsl(213, 63%, 59%)
HSV	hsv(213, 61%, 85%)
CMYK	cmyk(60.8%, 33.2%, 0%, 14.9%)
CIE-LAB	lab(59.15, 2.28, -42.63)
CIE-LCH	lch(59.15, 42.69, 273.06°)
OKLab	oklab(64.79% -0.0345 -0.1205)
OKLCH	oklch(64.79% 0.125 254)
XYZ	xyz(26.3916, 27.1894, 69.4895)
Luminance	0.2719 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5591D9 #D99D55

analogous

#55D3D9 #5591D9 #5B55D9

triadic

#5591D9 #D95591 #91D955

tetradic

#5591D9 #D955D3 #D99D55 #55D95B

square

#5591D9 #D955D3 #D99D55 #55D95B

split-complementary

#5591D9 #D95B55 #D3D955

monochromatic

#215593 #2C71C5 #5591D9 #87B1E4 #B9D2EF

Accessibility & contrast

On white

3.26

#5591D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#5591D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5591D9

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5591D9	#FFFFFF	#000000	##000000
##5591D9	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7295DC

Deuteranopia (green-blind)

#6189D8

Tritanopia (blue-blind)

#00A2AB

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #5591d9;
/* rgb */ color: rgb(85, 145, 217);
/* oklch */ color: oklch(64.8% 0.125 254.0);

Tailwind

colors: {
  custom: {
    50: '#90b0e5',
    500: '#5591d9',
    950: '#000000',
  },
}

SCSS

$custom: #5591d9;
$custom-light: #90b0e5;
$custom-dark: #000000;

JSON

{
  "hex": "#5591d9",
  "rgb": {
    "r": 85,
    "g": 145,
    "b": 217
  },
  "hsl": {
    "h": 212.727,
    "s": 63.462,
    "l": 59.216
  },
  "oklch": {
    "l": 0.64791,
    "c": 0.12537,
    "h": 254
  },
  "luminance": 0.27192
}

Semantic roles & 50–950 ramp

primary

#5591D9

secondary

#DFC7AB

accent

#9B41E6

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #5591D9

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

Preview Lab → · Contrast checker → · Palette generator →