#5590CB#5590CB

#5590CB is a light, moderate cyan. Relative luminance 0.262; OKLCH L 63.8% C 0.109 H 249.9°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#5590CB
RGB	rgb(85, 144, 203)
HSL	hsl(210, 53%, 56%)
HSV	hsv(210, 58%, 80%)
CMYK	cmyk(58.1%, 29.1%, 0%, 20.4%)
CIE-LAB	lab(58.21, -1.70, -36.24)
CIE-LCH	lch(58.21, 36.28, 267.31°)
OKLab	oklab(63.84% -0.0374 -0.102)
OKLCH	oklch(63.84% 0.109 249.9)
XYZ	xyz(24.4952, 26.1874, 60.2522)
Luminance	0.2619 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5590CB #CB9055

analogous

#55CBCB #5590CB #5555CB

triadic

#5590CB #CB5590 #90CB55

tetradic

#5590CB #CB55CB #CB9055 #55CB55

square

#5590CB #CB55CB #CB9055 #55CB55

split-complementary

#5590CB #CB5555 #CBCB55

monochromatic

#27537F #3571AE #5590CB #84AFD9 #B3CDE8

Accessibility & contrast

On white

3.37

#5590CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.24

#5590CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5590CB

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5590CB	#FFFFFF	#000000	##000000
##5590CB	1.00	3.37	6.24	6.24
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.24	21.00	1.00	1.00
##000000	6.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7792CE

Deuteranopia (green-blind)

#6887CA

Tritanopia (blue-blind)

#009EA5

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #5590cb;
/* rgb */ color: rgb(85, 144, 203);
/* oklch */ color: oklch(63.8% 0.109 249.9);

Tailwind

colors: {
  custom: {
    50: '#8eb0db',
    500: '#5590cb',
    950: '#000000',
  },
}

SCSS

$custom: #5590cb;
$custom-light: #8eb0db;
$custom-dark: #000000;

JSON

{
  "hex": "#5590cb",
  "rgb": {
    "r": 85,
    "g": 144,
    "b": 203
  },
  "hsl": {
    "h": 210,
    "s": 53.153,
    "l": 56.471
  },
  "oklch": {
    "l": 0.63844,
    "c": 0.10863,
    "h": 249.9
  },
  "luminance": 0.2619
}

Semantic roles & 50–950 ramp

primary

#5590CB

secondary

#D6BEA6

accent

#944BDD

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #5590CB

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

Preview Lab → · Contrast checker → · Palette generator →