#5583CD#5583CD

#5583CD is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.1% C 0.124 H 259.5°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#5583CD
RGB	rgb(85, 131, 205)
HSL	hsl(217, 55%, 57%)
HSV	hsv(217, 59%, 80%)
CMYK	cmyk(58.5%, 36.1%, 0%, 19.6%)
CIE-LAB	lab(54.63, 6.60, -43.01)
CIE-LCH	lch(54.63, 43.52, 278.73°)
OKLab	oklab(61.07% -0.0225 -0.1218)
OKLCH	oklch(61.07% 0.124 259.5)
XYZ	xyz(22.8782, 22.5697, 60.8965)
Luminance	0.2257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5583CD #CD9F55

analogous

#55BFCD #5583CD #6355CD

triadic

#5583CD #CD5583 #83CD55

tetradic

#5583CD #CD55BF #CD9F55 #55CD63

square

#5583CD #CD55BF #CD9F55 #55CD63

split-complementary

#5583CD #CD6355 #BFCD55

monochromatic

#264982 #3464B1 #5583CD #84A5DB #B4C8E9

Accessibility & contrast

On white

3.81

#5583CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#5583CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5583CD

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5583CD	#FFFFFF	#000000	##000000
##5583CD	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6489D0

Deuteranopia (green-blind)

#547ECB

Tritanopia (blue-blind)

#00949E

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5583cd;
/* rgb */ color: rgb(85, 131, 205);
/* oklch */ color: oklch(61.1% 0.124 259.5);

Tailwind

colors: {
  custom: {
    50: '#8ea6dc',
    500: '#5583cd',
    950: '#000000',
  },
}

SCSS

$custom: #5583cd;
$custom-light: #8ea6dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5583cd",
  "rgb": {
    "r": 85,
    "g": 131,
    "b": 205
  },
  "hsl": {
    "h": 217,
    "s": 54.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.61069,
    "c": 0.12387,
    "h": 259.5
  },
  "luminance": 0.22572
}

Semantic roles & 50–950 ramp

primary

#5583CD

secondary

#D7C5A6

accent

#A54ADE

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5583CD

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

Preview Lab → · Contrast checker → · Palette generator →