#6583BC#6583BC

#6583BC is a mid, moderate blue. Relative luminance 0.226; OKLCH L 61.1% C 0.094 H 262.6°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#6583BC
RGB	rgb(101, 131, 188)
HSL	hsl(219, 39%, 57%)
HSV	hsv(219, 46%, 74%)
CMYK	cmyk(46.3%, 30.3%, 0%, 26.3%)
CIE-LAB	lab(54.69, 4.88, -33.19)
CIE-LCH	lch(54.69, 33.55, 278.36°)
OKLab	oklab(61.08% -0.012 -0.093)
OKLCH	oklch(61.08% 0.094 262.6)
XYZ	xyz(22.5573, 22.6287, 50.7464)
Luminance	0.2263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6583BC #BC9E65

analogous

#65AFBC #6583BC #7365BC

triadic

#6583BC #BC6583 #83BC65

tetradic

#6583BC #BC65AF #BC9E65 #65BC73

square

#6583BC #BC65AF #BC9E65 #65BC73

split-complementary

#6583BC #BC7365 #AFBC65

monochromatic

#334974 #45649F #6583BC #90A5CF #BAC8E1

Accessibility & contrast

On white

3.80

#6583BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#6583BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6583BC

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6583BC	#FFFFFF	#000000	##000000
##6583BC	1.00	3.80	5.53	5.53
#FFFFFF	3.80	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)

#6E87BE

Deuteranopia (green-blind)

#647FBB

Tritanopia (blue-blind)

#438F97

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #6583bc;
/* rgb */ color: rgb(101, 131, 188);
/* oklch */ color: oklch(61.1% 0.094 262.6);

Tailwind

colors: {
  custom: {
    50: '#95a6d0',
    500: '#6583bc',
    950: '#000000',
  },
}

SCSS

$custom: #6583bc;
$custom-light: #95a6d0;
$custom-dark: #000000;

JSON

{
  "hex": "#6583bc",
  "rgb": {
    "r": 101,
    "g": 131,
    "b": 188
  },
  "hsl": {
    "h": 219.31,
    "s": 39.367,
    "l": 56.667
  },
  "oklch": {
    "l": 0.61084,
    "c": 0.09376,
    "h": 262.6
  },
  "luminance": 0.2263
}

Semantic roles & 50–950 ramp

primary

#6583BC

secondary

#D0C4AD

accent

#A659CF

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E0F14

muted

#7E7F82

Preview Lab

Preview with #6583BC

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

Preview Lab → · Contrast checker → · Palette generator →