#6583BD#6583BD

#6583BD is a mid, moderate blue. Relative luminance 0.227; OKLCH L 61.1% C 0.095 H 262.9°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#6583BD
RGB	rgb(101, 131, 189)
HSL	hsl(220, 40%, 57%)
HSV	hsv(220, 47%, 74%)
CMYK	cmyk(46.6%, 30.7%, 0%, 25.9%)
CIE-LAB	lab(54.73, 5.18, -33.69)
CIE-LCH	lch(54.73, 34.08, 278.74°)
OKLab	oklab(61.13% -0.0117 -0.0944)
OKLCH	oklch(61.13% 0.095 262.9)
XYZ	xyz(22.6654, 22.6720, 51.3161)
Luminance	0.2267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6583BD #BD9F65

analogous

#65AFBD #6583BD #7365BD

triadic

#6583BD #BD6583 #83BD65

tetradic

#6583BD #BD65AF #BD9F65 #65BD73

square

#6583BD #BD65AF #BD9F65 #65BD73

split-complementary

#6583BD #BD7365 #AFBD65

monochromatic

#324975 #4564A0 #6583BD #90A5CF #BBC8E2

Accessibility & contrast

On white

3.79

#6583BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#6583BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6583BD

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6583BD	#FFFFFF	#000000	##000000
##6583BD	1.00	3.79	5.53	5.53
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E87BF

Deuteranopia (green-blind)

#647FBC

Tritanopia (blue-blind)

#428F98

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #6583bd;
/* rgb */ color: rgb(101, 131, 189);
/* oklch */ color: oklch(61.1% 0.095 262.9);

Tailwind

colors: {
  custom: {
    50: '#95a6d1',
    500: '#6583bd',
    950: '#000000',
  },
}

SCSS

$custom: #6583bd;
$custom-light: #95a6d1;
$custom-dark: #000000;

JSON

{
  "hex": "#6583bd",
  "rgb": {
    "r": 101,
    "g": 131,
    "b": 189
  },
  "hsl": {
    "h": 219.545,
    "s": 40,
    "l": 56.863
  },
  "oklch": {
    "l": 0.61134,
    "c": 0.09516,
    "h": 262.9
  },
  "luminance": 0.22673
}

Semantic roles & 50–950 ramp

primary

#6583BD

secondary

#D1C5AD

accent

#A758D0

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E0F14

muted

#7E7F82

Preview Lab

Preview with #6583BD

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

Preview Lab → · Contrast checker → · Palette generator →