#6583BB#6583BB

#6583BB is a mid, moderate blue. Relative luminance 0.226; OKLCH L 61.0% C 0.092 H 262.4°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#6583BB
RGB	rgb(101, 131, 187)
HSL	hsl(219, 39%, 56%)
HSV	hsv(219, 46%, 73%)
CMYK	cmyk(46%, 29.9%, 0%, 26.7%)
CIE-LAB	lab(54.64, 4.58, -32.69)
CIE-LCH	lch(54.64, 33.01, 277.97°)
OKLab	oklab(61.03% -0.0123 -0.0915)
OKLCH	oklch(61.03% 0.092 262.4)
XYZ	xyz(22.4499, 22.5858, 50.1806)
Luminance	0.2259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6583BB #BB9D65

analogous

#65AEBB #6583BB #7265BB

triadic

#6583BB #BB6583 #83BB65

tetradic

#6583BB #BB65AE #BB9D65 #65BB72

square

#6583BB #BB65AE #BB9D65 #65BB72

split-complementary

#6583BB #BB7265 #AEBB65

monochromatic

#334973 #45649D #6583BB #8FA5CE #BAC7E0

Accessibility & contrast

On white

3.81

#6583BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#6583BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6583BB

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6583BB	#FFFFFF	#000000	##000000
##6583BB	1.00	3.81	5.52	5.52
#FFFFFF	3.81	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)

#6E87BD

Deuteranopia (green-blind)

#657FBA

Tritanopia (blue-blind)

#448F97

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #6583bb;
/* rgb */ color: rgb(101, 131, 187);
/* oklch */ color: oklch(61.0% 0.092 262.4);

Tailwind

colors: {
  custom: {
    50: '#95a6cf',
    500: '#6583bb',
    950: '#000000',
  },
}

SCSS

$custom: #6583bb;
$custom-light: #95a6cf;
$custom-dark: #000000;

JSON

{
  "hex": "#6583bb",
  "rgb": {
    "r": 101,
    "g": 131,
    "b": 187
  },
  "hsl": {
    "h": 219.07,
    "s": 38.739,
    "l": 56.471
  },
  "oklch": {
    "l": 0.61034,
    "c": 0.09236,
    "h": 262.4
  },
  "luminance": 0.22587
}

Semantic roles & 50–950 ramp

primary

#6583BB

secondary

#D0C3AC

accent

#A659CF

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E0F14

muted

#7E7F82

Preview Lab

Preview with #6583BB

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

Preview Lab → · Contrast checker → · Palette generator →