#5583CE#5583CE

#5583CE is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.1% C 0.125 H 259.7°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#5583CE
RGB	rgb(85, 131, 206)
HSL	hsl(217, 55%, 57%)
HSV	hsv(217, 59%, 81%)
CMYK	cmyk(58.7%, 36.4%, 0%, 19.2%)
CIE-LAB	lab(54.68, 6.93, -43.50)
CIE-LCH	lch(54.68, 44.05, 279.06°)
OKLab	oklab(61.12% -0.0223 -0.1232)
OKLCH	oklch(61.12% 0.125 259.7)
XYZ	xyz(22.9993, 22.6182, 61.5343)
Luminance	0.2262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5583CE #CEA055

analogous

#55C0CE #5583CE #6455CE

triadic

#5583CE #CE5583 #83CE55

tetradic

#5583CE #CE55C0 #CEA055 #55CE64

square

#5583CE #CE55C0 #CEA055 #55CE64

split-complementary

#5583CE #CE6455 #C0CE55

monochromatic

#264983 #3364B2 #5583CE #85A6DC #B4C8E9

Accessibility & contrast

On white

3.80

#5583CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#5583CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5583CE

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5583CE	#FFFFFF	#000000	##000000
##5583CE	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6489D1

Deuteranopia (green-blind)

#547ECC

Tritanopia (blue-blind)

#00949F

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5583ce;
/* rgb */ color: rgb(85, 131, 206);
/* oklch */ color: oklch(61.1% 0.125 259.7);

Tailwind

colors: {
  custom: {
    50: '#8ea6dd',
    500: '#5583ce',
    950: '#000000',
  },
}

SCSS

$custom: #5583ce;
$custom-light: #8ea6dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5583ce",
  "rgb": {
    "r": 85,
    "g": 131,
    "b": 206
  },
  "hsl": {
    "h": 217.19,
    "s": 55.251,
    "l": 57.059
  },
  "oklch": {
    "l": 0.61125,
    "c": 0.12522,
    "h": 259.7
  },
  "luminance": 0.2262
}

Semantic roles & 50–950 ramp

primary

#5583CE

secondary

#D8C5A7

accent

#A649DF

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5583CE

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

Preview Lab → · Contrast checker → · Palette generator →