#5590DD#5590DD

#5590DD is a light, vivid cyan. Relative luminance 0.271; OKLCH L 64.8% C 0.132 H 255.7°. Best body text is #000000 at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#5590DD
RGB	rgb(85, 144, 221)
HSL	hsl(214, 67%, 60%)
HSV	hsv(214, 62%, 87%)
CMYK	cmyk(61.5%, 34.8%, 0%, 13.3%)
CIE-LAB	lab(59.06, 4.18, -44.99)
CIE-LCH	lch(59.06, 45.19, 275.31°)
OKLab	oklab(64.79% -0.0324 -0.1275)
OKLCH	oklch(64.79% 0.132 255.7)
XYZ	xyz(26.7660, 27.0958, 72.2121)
Luminance	0.2710 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5590DD #DDA255

analogous

#55D4DD #5590DD #5E55DD

triadic

#5590DD #DD5590 #90DD55

tetradic

#5590DD #DD55D4 #DDA255 #55DD5E

square

#5590DD #DD55D4 #DDA255 #55DD5E

split-complementary

#5590DD #DD5E55 #D4DD55

monochromatic

#1F5499 #2970CC #5590DD #88B1E7 #BBD3F1

Accessibility & contrast

On white

3.27

#5590DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.42

#5590DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5590DD

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5590DD	#FFFFFF	#000000	##000000
##5590DD	1.00	3.27	6.42	6.42
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.42	21.00	1.00	1.00
##000000	6.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F95E0

Deuteranopia (green-blind)

#5D88DB

Tritanopia (blue-blind)

#00A2AC

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #5590dd;
/* rgb */ color: rgb(85, 144, 221);
/* oklch */ color: oklch(64.8% 0.132 255.7);

Tailwind

colors: {
  custom: {
    50: '#90b0e8',
    500: '#5590dd',
    950: '#000000',
  },
}

SCSS

$custom: #5590dd;
$custom-light: #90b0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5590dd",
  "rgb": {
    "r": 85,
    "g": 144,
    "b": 221
  },
  "hsl": {
    "h": 213.971,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.64787,
    "c": 0.13151,
    "h": 255.7
  },
  "luminance": 0.27098
}

Semantic roles & 50–950 ramp

primary

#5590DD

secondary

#E1CAAD

accent

#9F3EEA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5590DD

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

Preview Lab → · Contrast checker → · Palette generator →