#5683CF#5683CF

#5683CF is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.2% C 0.126 H 260.3°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#5683CF
RGB	rgb(86, 131, 207)
HSL	hsl(218, 56%, 57%)
HSV	hsv(218, 58%, 81%)
CMYK	cmyk(58.5%, 36.7%, 0%, 18.8%)
CIE-LAB	lab(54.78, 7.46, -43.90)
CIE-LCH	lch(54.78, 44.53, 279.65°)
OKLab	oklab(61.23% -0.0212 -0.1244)
OKLCH	oklch(61.23% 0.126 260.3)
XYZ	xyz(23.2126, 22.7141, 62.1804)
Luminance	0.2272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5683CF #CFA256

analogous

#56BFCF #5683CF #6656CF

triadic

#5683CF #CF5683 #83CF56

tetradic

#5683CF #CF56BF #CFA256 #56CF66

square

#5683CF #CF56BF #CFA256 #56CF66

split-complementary

#5683CF #CF6656 #BFCF56

monochromatic

#264985 #3363B5 #5683CF #86A6DD #B5C9EA

Accessibility & contrast

On white

3.79

#5683CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#5683CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5683CF

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5683CF	#FFFFFF	#000000	##000000
##5683CF	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	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: #5683cf;
/* rgb */ color: rgb(86, 131, 207);
/* oklch */ color: oklch(61.2% 0.126 260.3);

Tailwind

colors: {
  custom: {
    50: '#8fa6de',
    500: '#5683cf',
    950: '#000000',
  },
}

SCSS

$custom: #5683cf;
$custom-light: #8fa6de;
$custom-dark: #000000;

JSON

{
  "hex": "#5683cf",
  "rgb": {
    "r": 86,
    "g": 131,
    "b": 207
  },
  "hsl": {
    "h": 217.686,
    "s": 55.76,
    "l": 57.451
  },
  "oklch": {
    "l": 0.61233,
    "c": 0.12618,
    "h": 260.3
  },
  "luminance": 0.22716
}

Semantic roles & 50–950 ramp

primary

#5683CF

secondary

#D9C7A8

accent

#A749DF

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5683CF

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

Preview Lab → · Contrast checker → · Palette generator →