#5580BB#5580BB

#5580BB is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 59.4% C 0.103 H 256.5°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#5580BB
RGB	rgb(85, 128, 187)
HSL	hsl(215, 43%, 53%)
HSV	hsv(215, 55%, 73%)
CMYK	cmyk(54.5%, 31.6%, 0%, 26.7%)
CIE-LAB	lab(52.90, 2.53, -35.48)
CIE-LCH	lch(52.90, 35.57, 274.08°)
OKLab	oklab(59.44% -0.0239 -0.0999)
OKLCH	oklch(59.44% 0.103 256.5)
XYZ	xyz(20.4320, 20.9559, 49.9723)
Luminance	0.2096 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5580BB #BB9055

analogous

#55B3BB #5580BB #5D55BB

triadic

#5580BB #BB5580 #80BB55

tetradic

#5580BB #BB55B3 #BB9055 #55BB5D

square

#5580BB #BB55B3 #BB9055 #55BB5D

split-complementary

#5580BB #BB5D55 #B3BB55

monochromatic

#2B466B #3C6297 #5580BB #81A1CC #ACC1DE

Accessibility & contrast

On white

4.05

#5580BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#5580BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5580BB

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5580BB	#FFFFFF	#000000	##000000
##5580BB	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6884BE

Deuteranopia (green-blind)

#5C7ABA

Tritanopia (blue-blind)

#178D95

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #5580bb;
/* rgb */ color: rgb(85, 128, 187);
/* oklch */ color: oklch(59.4% 0.103 256.5);

Tailwind

colors: {
  custom: {
    50: '#8ca4cf',
    500: '#5580bb',
    950: '#000000',
  },
}

SCSS

$custom: #5580bb;
$custom-light: #8ca4cf;
$custom-dark: #000000;

JSON

{
  "hex": "#5580bb",
  "rgb": {
    "r": 85,
    "g": 128,
    "b": 187
  },
  "hsl": {
    "h": 214.706,
    "s": 42.857,
    "l": 53.333
  },
  "oklch": {
    "l": 0.59437,
    "c": 0.10271,
    "h": 256.5
  },
  "luminance": 0.20957
}

Semantic roles & 50–950 ramp

primary

#5580BB

secondary

#CCB9A0

accent

#9E55D3

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0D0F14

muted

#7D7F82

Preview Lab

Preview with #5580BB

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

Preview Lab → · Contrast checker → · Palette generator →