#5583BB#5583BB

#5583BB is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 60.1% C 0.100 H 254.1°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#5583BB
RGB	rgb(85, 131, 187)
HSL	hsl(213, 43%, 53%)
HSV	hsv(213, 55%, 73%)
CMYK	cmyk(54.5%, 29.9%, 0%, 26.7%)
CIE-LAB	lab(53.76, 0.76, -34.13)
CIE-LCH	lch(53.76, 34.14, 271.27°)
OKLab	oklab(60.11% -0.0274 -0.096)
OKLCH	oklch(60.11% 0.1 254.1)
XYZ	xyz(20.8291, 21.7501, 50.1046)
Luminance	0.2175 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5583BB #BB8D55

analogous

#55B6BB #5583BB #5A55BB

triadic

#5583BB #BB5583 #83BB55

tetradic

#5583BB #BB55B6 #BB8D55 #55BB5A

square

#5583BB #BB55B6 #BB8D55 #55BB5A

split-complementary

#5583BB #BB5A55 #B6BB55

monochromatic

#2B486B #3C6597 #5583BB #81A3CC #ACC3DE

Accessibility & contrast

On white

3.92

#5583BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#5583BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5583BB

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5583BB	#FFFFFF	#000000	##000000
##5583BB	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C86BD

Deuteranopia (green-blind)

#5F7CBA

Tritanopia (blue-blind)

#169097

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #5583bb;
/* rgb */ color: rgb(85, 131, 187);
/* oklch */ color: oklch(60.1% 0.100 254.1);

Tailwind

colors: {
  custom: {
    50: '#8ca6cf',
    500: '#5583bb',
    950: '#000000',
  },
}

SCSS

$custom: #5583bb;
$custom-light: #8ca6cf;
$custom-dark: #000000;

JSON

{
  "hex": "#5583bb",
  "rgb": {
    "r": 85,
    "g": 131,
    "b": 187
  },
  "hsl": {
    "h": 212.941,
    "s": 42.857,
    "l": 53.333
  },
  "oklch": {
    "l": 0.6011,
    "c": 0.0998,
    "h": 254.1
  },
  "luminance": 0.21752
}

Semantic roles & 50–950 ramp

primary

#5583BB

secondary

#CCB8A0

accent

#9A55D3

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0D0F14

muted

#7D7F82

Preview Lab

Preview with #5583BB

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

Preview Lab → · Contrast checker → · Palette generator →