#5683CC#5683CC

#5683CC is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.1% C 0.122 H 259.7°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#5683CC
RGB	rgb(86, 131, 204)
HSL	hsl(217, 54%, 57%)
HSV	hsv(217, 58%, 80%)
CMYK	cmyk(57.8%, 35.8%, 0%, 20%)
CIE-LAB	lab(54.63, 6.48, -42.44)
CIE-LCH	lch(54.63, 42.93, 278.68°)
OKLab	oklab(61.07% -0.0219 -0.1201)
OKLCH	oklch(61.07% 0.122 259.7)
XYZ	xyz(22.8493, 22.5688, 60.2671)
Luminance	0.2257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5683CC #CC9F56

analogous

#56BECC #5683CC #6456CC

triadic

#5683CC #CC5683 #83CC56

tetradic

#5683CC #CC56BE #CC9F56 #56CC64

square

#5683CC #CC56BE #CC9F56 #56CC64

split-complementary

#5683CC #CC6456 #BECC56

monochromatic

#274981 #3564B0 #5683CC #85A5DA #B4C8E8

Accessibility & contrast

On white

3.81

#5683CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#5683CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5683CC

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5683CC	#FFFFFF	#000000	##000000
##5683CC	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)

#6589CF

Deuteranopia (green-blind)

#557ECA

Tritanopia (blue-blind)

#00939E

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5683cc;
/* rgb */ color: rgb(86, 131, 204);
/* oklch */ color: oklch(61.1% 0.122 259.7);

Tailwind

colors: {
  custom: {
    50: '#8ea6dc',
    500: '#5683cc',
    950: '#000000',
  },
}

SCSS

$custom: #5683cc;
$custom-light: #8ea6dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5683cc",
  "rgb": {
    "r": 86,
    "g": 131,
    "b": 204
  },
  "hsl": {
    "h": 217.119,
    "s": 53.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.61066,
    "c": 0.12211,
    "h": 259.7
  },
  "luminance": 0.22571
}

Semantic roles & 50–950 ramp

primary

#5683CC

secondary

#D7C5A7

accent

#A54BDD

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5683CC

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

Preview Lab → · Contrast checker → · Palette generator →