#5583CF#5583CF

#5583CF is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.2% C 0.127 H 260.0°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#5583CF
RGB	rgb(85, 131, 207)
HSL	hsl(217, 56%, 57%)
HSV	hsv(217, 59%, 81%)
CMYK	cmyk(58.9%, 36.7%, 0%, 18.8%)
CIE-LAB	lab(54.73, 7.26, -43.98)
CIE-LCH	lch(54.73, 44.58, 279.38°)
OKLab	oklab(61.18% -0.022 -0.1246)
OKLCH	oklch(61.18% 0.127 260)
XYZ	xyz(23.1212, 22.6669, 62.1761)
Luminance	0.2267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5583CF #CFA155

analogous

#55C0CF #5583CF #6455CF

triadic

#5583CF #CF5583 #83CF55

tetradic

#5583CF #CF55C0 #CFA155 #55CF64

square

#5583CF #CF55C0 #CFA155 #55CF64

split-complementary

#5583CF #CF6455 #C0CF55

monochromatic

#254984 #3364B4 #5583CF #85A6DC #B4C9EA

Accessibility & contrast

On white

3.79

#5583CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#5583CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5583CF

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5583CF	#FFFFFF	#000000	##000000
##5583CF	1.00	3.79	5.53	5.53
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6389D2

Deuteranopia (green-blind)

#537ECD

Tritanopia (blue-blind)

#00949F

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5583cf;
/* rgb */ color: rgb(85, 131, 207);
/* oklch */ color: oklch(61.2% 0.127 260.0);

Tailwind

colors: {
  custom: {
    50: '#8ea6de',
    500: '#5583cf',
    950: '#000000',
  },
}

SCSS

$custom: #5583cf;
$custom-light: #8ea6de;
$custom-dark: #000000;

JSON

{
  "hex": "#5583cf",
  "rgb": {
    "r": 85,
    "g": 131,
    "b": 207
  },
  "hsl": {
    "h": 217.377,
    "s": 55.963,
    "l": 57.255
  },
  "oklch": {
    "l": 0.61181,
    "c": 0.12658,
    "h": 260
  },
  "luminance": 0.22669
}

Semantic roles & 50–950 ramp

primary

#5583CF

secondary

#D9C6A7

accent

#A649DF

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5583CF

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

Preview Lab → · Contrast checker → · Palette generator →