#5590BB#5590BB

#5590BB is a light, moderate cyan. Relative luminance 0.255; OKLCH L 63.1% C 0.090 H 241.7°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#5590BB
RGB	rgb(85, 144, 187)
HSL	hsl(205, 43%, 53%)
HSV	hsv(205, 55%, 73%)
CMYK	cmyk(54.5%, 23%, 0%, 26.7%)
CIE-LAB	lab(57.52, -6.76, -28.27)
CIE-LCH	lch(57.52, 29.07, 256.55°)
OKLab	oklab(63.07% -0.0425 -0.079)
OKLCH	oklch(63.07% 0.09 241.7)
XYZ	xyz(22.6860, 25.4638, 50.7236)
Luminance	0.2547 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5590BB #BB8055

analogous

#55BBB3 #5590BB #555DBB

triadic

#5590BB #BB5590 #90BB55

tetradic

#5590BB #B355BB #BB8055 #5DBB55

square

#5590BB #B355BB #BB8055 #5DBB55

split-complementary

#5590BB #BB555D #BBB355

monochromatic

#2B506B #3C7097 #5590BB #81ADCC #ACC9DE

Accessibility & contrast

On white

3.45

#5590BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#5590BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5590BB

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5590BB	#FFFFFF	#000000	##000000
##5590BB	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D90BD

Deuteranopia (green-blind)

#6F86BA

Tritanopia (blue-blind)

#0C9B9E

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #5590bb;
/* rgb */ color: rgb(85, 144, 187);
/* oklch */ color: oklch(63.1% 0.090 241.7);

Tailwind

colors: {
  custom: {
    50: '#8cb0cf',
    500: '#5590bb',
    950: '#000000',
  },
}

SCSS

$custom: #5590bb;
$custom-light: #8cb0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#5590bb",
  "rgb": {
    "r": 85,
    "g": 144,
    "b": 187
  },
  "hsl": {
    "h": 205.294,
    "s": 42.857,
    "l": 53.333
  },
  "oklch": {
    "l": 0.63073,
    "c": 0.08973,
    "h": 241.7
  },
  "luminance": 0.25466
}

Semantic roles & 50–950 ramp

primary

#5590BB

secondary

#CCB2A0

accent

#8A55D3

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0D1014

muted

#7D7F82

Preview Lab

Preview with #5590BB

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

Preview Lab → · Contrast checker → · Palette generator →