#6580DD#6580DD

#6580DD is a light, vivid blue. Relative luminance 0.234; OKLCH L 62.3% C 0.144 H 269.7°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#6580DD
RGB	rgb(101, 128, 221)
HSL	hsl(227, 64%, 63%)
HSV	hsv(227, 54%, 87%)
CMYK	cmyk(54.3%, 42.1%, 0%, 13.3%)
CIE-LAB	lab(55.51, 16.91, -50.58)
CIE-LCH	lch(55.51, 53.33, 288.49°)
OKLab	oklab(62.25% -0.0008 -0.1437)
OKLCH	oklch(62.25% 0.144 269.7)
XYZ	xyz(26.1328, 23.4236, 71.5367)
Luminance	0.2343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6580DD #DDC265

analogous

#65BCDD #6580DD #8665DD

triadic

#6580DD #DD6580 #80DD65

tetradic

#6580DD #DD65BC #DDC265 #65DD86

square

#6580DD #DD65BC #DDC265 #65DD86

split-complementary

#6580DD #DD8665 #BCDD65

monochromatic

#2441A4 #3357D2 #6580DD #97A9E8 #C9D3F3

Accessibility & contrast

On white

3.69

#6580DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#6580DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6580DD

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6580DD	#FFFFFF	#000000	##000000
##6580DD	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#598BE1

Deuteranopia (green-blind)

#4A80DB

Tritanopia (blue-blind)

#2494A4

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #6580dd;
/* rgb */ color: rgb(101, 128, 221);
/* oklch */ color: oklch(62.3% 0.144 269.7);

Tailwind

colors: {
  custom: {
    50: '#99a4e8',
    500: '#6580dd',
    950: '#000000',
  },
}

SCSS

$custom: #6580dd;
$custom-light: #99a4e8;
$custom-dark: #000000;

JSON

{
  "hex": "#6580dd",
  "rgb": {
    "r": 101,
    "g": 128,
    "b": 221
  },
  "hsl": {
    "h": 226.5,
    "s": 63.83,
    "l": 63.137
  },
  "oklch": {
    "l": 0.62251,
    "c": 0.14368,
    "h": 269.7
  },
  "luminance": 0.23426
}

Semantic roles & 50–950 ramp

primary

#6580DD

secondary

#E4DBB9

accent

#A41ACC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #6580DD

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

Preview Lab → · Contrast checker → · Palette generator →