#5683CB#5683CB

#5683CB is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.0% C 0.121 H 259.4°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#5683CB
RGB	rgb(86, 131, 203)
HSL	hsl(217, 53%, 57%)
HSV	hsv(217, 58%, 80%)
CMYK	cmyk(57.6%, 35.5%, 0%, 20.4%)
CIE-LAB	lab(54.58, 6.15, -41.96)
CIE-LCH	lch(54.58, 42.40, 278.34°)
OKLab	oklab(61.01% -0.0221 -0.1187)
OKLCH	oklch(61.01% 0.121 259.4)
XYZ	xyz(22.7298, 22.5209, 59.6375)
Luminance	0.2252 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5683CB #CB9E56

analogous

#56BECB #5683CB #6456CB

triadic

#5683CB #CB5683 #83CB56

tetradic

#5683CB #CB56BE #CB9E56 #56CB64

square

#5683CB #CB56BE #CB9E56 #56CB64

split-complementary

#5683CB #CB6456 #BECB56

monochromatic

#27497F #3664AE #5683CB #85A5D9 #B4C8E8

Accessibility & contrast

On white

3.81

#5683CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#5683CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5683CB

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5683CB	#FFFFFF	#000000	##000000
##5683CB	1.00	3.81	5.50	5.50
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6589CE

Deuteranopia (green-blind)

#567EC9

Tritanopia (blue-blind)

#00939D

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5683cb;
/* rgb */ color: rgb(86, 131, 203);
/* oklch */ color: oklch(61.0% 0.121 259.4);

Tailwind

colors: {
  custom: {
    50: '#8ea6db',
    500: '#5683cb',
    950: '#000000',
  },
}

SCSS

$custom: #5683cb;
$custom-light: #8ea6db;
$custom-dark: #000000;

JSON

{
  "hex": "#5683cb",
  "rgb": {
    "r": 86,
    "g": 131,
    "b": 203
  },
  "hsl": {
    "h": 216.923,
    "s": 52.941,
    "l": 56.667
  },
  "oklch": {
    "l": 0.6101,
    "c": 0.12075,
    "h": 259.4
  },
  "luminance": 0.22523
}

Semantic roles & 50–950 ramp

primary

#5683CB

secondary

#D6C4A6

accent

#A54BDC

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5683CB

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

Preview Lab → · Contrast checker → · Palette generator →