#6580CC#6580CC

#6580CC is a mid, moderate blue. Relative luminance 0.226; OKLCH L 61.3% C 0.120 H 268.0°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#6580CC
RGB	rgb(101, 128, 204)
HSL	hsl(224, 50%, 60%)
HSV	hsv(224, 50%, 80%)
CMYK	cmyk(50.5%, 37.3%, 0%, 20%)
CIE-LAB	lab(54.62, 11.55, -42.40)
CIE-LCH	lch(54.62, 43.94, 285.24°)
OKLab	oklab(61.28% -0.0042 -0.1197)
OKLCH	oklch(61.28% 0.12 268)
XYZ	xyz(23.9815, 22.5631, 60.2064)
Luminance	0.2256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6580CC #CCB165

analogous

#65B3CC #6580CC #7E65CC

triadic

#6580CC #CC6580 #80CC65

tetradic

#6580CC #CC65B3 #CCB165 #65CC7E

square

#6580CC #CC65B3 #CCB165 #65CC7E

split-complementary

#6580CC #CC7E65 #B3CC65

monochromatic

#2D4589 #3D5DB7 #6580CC #93A6DB #C1CCEA

Accessibility & contrast

On white

3.81

#6580CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#6580CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6580CC

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6580CC	#FFFFFF	#000000	##000000
##6580CC	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6288CF

Deuteranopia (green-blind)

#577ECA

Tritanopia (blue-blind)

#37909C

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #6580cc;
/* rgb */ color: rgb(101, 128, 204);
/* oklch */ color: oklch(61.3% 0.120 268.0);

Tailwind

colors: {
  custom: {
    50: '#97a4dc',
    500: '#6580cc',
    950: '#000000',
  },
}

SCSS

$custom: #6580cc;
$custom-light: #97a4dc;
$custom-dark: #000000;

JSON

{
  "hex": "#6580cc",
  "rgb": {
    "r": 101,
    "g": 128,
    "b": 204
  },
  "hsl": {
    "h": 224.272,
    "s": 50.244,
    "l": 59.804
  },
  "oklch": {
    "l": 0.6128,
    "c": 0.11983,
    "h": 268
  },
  "luminance": 0.22565
}

Semantic roles & 50–950 ramp

primary

#6580CC

secondary

#DAD0B2

accent

#B54EDA

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #6580CC

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

Preview Lab → · Contrast checker → · Palette generator →