#6583CD#6583CD

#6583CD is a mid, moderate blue. Relative luminance 0.234; OKLCH L 62.0% C 0.118 H 266.3°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#6583CD
RGB	rgb(101, 131, 205)
HSL	hsl(223, 51%, 60%)
HSV	hsv(223, 51%, 80%)
CMYK	cmyk(50.7%, 36.1%, 0%, 19.6%)
CIE-LAB	lab(55.49, 10.07, -41.60)
CIE-LCH	lch(55.49, 42.80, 283.61°)
OKLab	oklab(61.97% -0.0076 -0.1174)
OKLCH	oklch(61.97% 0.118 266.3)
XYZ	xyz(24.4989, 23.4054, 60.9725)
Luminance	0.2341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6583CD #CDAF65

analogous

#65B7CD #6583CD #7B65CD

triadic

#6583CD #CD6583 #83CD65

tetradic

#6583CD #CD65B7 #CDAF65 #65CD7B

square

#6583CD #CD65B7 #CDAF65 #65CD7B

split-complementary

#6583CD #CD7B65 #B7CD65

monochromatic

#2D488B #3C60B9 #6583CD #93A8DC #C1CDEB

Accessibility & contrast

On white

3.70

#6583CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#6583CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6583CD

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6583CD	#FFFFFF	#000000	##000000
##6583CD	1.00	3.70	5.68	5.68
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#668AD0

Deuteranopia (green-blind)

#5B81CB

Tritanopia (blue-blind)

#36939E

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #6583cd;
/* rgb */ color: rgb(101, 131, 205);
/* oklch */ color: oklch(62.0% 0.118 266.3);

Tailwind

colors: {
  custom: {
    50: '#97a6dc',
    500: '#6583cd',
    950: '#000000',
  },
}

SCSS

$custom: #6583cd;
$custom-light: #97a6dc;
$custom-dark: #000000;

JSON

{
  "hex": "#6583cd",
  "rgb": {
    "r": 101,
    "g": 131,
    "b": 205
  },
  "hsl": {
    "h": 222.692,
    "s": 50.98,
    "l": 60
  },
  "oklch": {
    "l": 0.61967,
    "c": 0.11763,
    "h": 266.3
  },
  "luminance": 0.23407
}

Semantic roles & 50–950 ramp

primary

#6583CD

secondary

#DBCFB3

accent

#B24DDA

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #6583CD

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

Preview Lab → · Contrast checker → · Palette generator →