#5591DD#5591DD

#5591DD is a light, vivid cyan. Relative luminance 0.274; OKLCH L 65.0% C 0.131 H 255.2°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#5591DD
RGB	rgb(85, 145, 221)
HSL	hsl(214, 67%, 60%)
HSV	hsv(214, 62%, 87%)
CMYK	cmyk(61.5%, 34.4%, 0%, 13.3%)
CIE-LAB	lab(59.34, 3.60, -44.55)
CIE-LCH	lch(59.34, 44.70, 274.62°)
OKLab	oklab(65.01% -0.0334 -0.1262)
OKLCH	oklch(65.01% 0.131 255.2)
XYZ	xyz(26.9182, 27.4001, 72.2628)
Luminance	0.2740 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5591DD #DDA155

analogous

#55D5DD #5591DD #5D55DD

triadic

#5591DD #DD5591 #91DD55

tetradic

#5591DD #DD55D5 #DDA155 #55DD5D

square

#5591DD #DD55D5 #DDA155 #55DD5D

split-complementary

#5591DD #DD5D55 #D5DD55

monochromatic

#1F5599 #2971CC #5591DD #88B2E7 #BBD3F1

Accessibility & contrast

On white

3.24

#5591DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#5591DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5591DD

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5591DD	#FFFFFF	#000000	##000000
##5591DD	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7196E0

Deuteranopia (green-blind)

#5E89DB

Tritanopia (blue-blind)

#00A2AD

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #5591dd;
/* rgb */ color: rgb(85, 145, 221);
/* oklch */ color: oklch(65.0% 0.131 255.2);

Tailwind

colors: {
  custom: {
    50: '#90b0e8',
    500: '#5591dd',
    950: '#000000',
  },
}

SCSS

$custom: #5591dd;
$custom-light: #90b0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5591dd",
  "rgb": {
    "r": 85,
    "g": 145,
    "b": 221
  },
  "hsl": {
    "h": 213.529,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.65005,
    "c": 0.13052,
    "h": 255.2
  },
  "luminance": 0.27403
}

Semantic roles & 50–950 ramp

primary

#5591DD

secondary

#E1CAAD

accent

#9E3EEA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5591DD

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

Preview Lab → · Contrast checker → · Palette generator →