#6589DD#6589DD

#6589DD is a light, vivid blue. Relative luminance 0.259; OKLCH L 64.1% C 0.133 H 265.3°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#6589DD
RGB	rgb(101, 137, 221)
HSL	hsl(222, 64%, 63%)
HSV	hsv(222, 54%, 87%)
CMYK	cmyk(54.3%, 38%, 0%, 13.3%)
CIE-LAB	lab(57.92, 11.52, -46.75)
CIE-LCH	lch(57.92, 48.15, 283.84°)
OKLab	oklab(64.11% -0.0108 -0.1324)
OKLCH	oklch(64.11% 0.133 265.3)
XYZ	xyz(27.3593, 25.8764, 71.9455)
Luminance	0.2588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6589DD #DDB965

analogous

#65C5DD #6589DD #7D65DD

triadic

#6589DD #DD6589 #89DD65

tetradic

#6589DD #DD65C5 #DDB965 #65DD7D

square

#6589DD #DD65C5 #DDB965 #65DD7D

split-complementary

#6589DD #DD7D65 #C5DD65

monochromatic

#244AA4 #3363D2 #6589DD #97AFE8 #C9D6F3

Accessibility & contrast

On white

3.40

#6589DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#6589DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6589DD

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6589DD	#FFFFFF	#000000	##000000
##6589DD	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6791E0

Deuteranopia (green-blind)

#5886DB

Tritanopia (blue-blind)

#219BA8

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #6589dd;
/* rgb */ color: rgb(101, 137, 221);
/* oklch */ color: oklch(64.1% 0.133 265.3);

Tailwind

colors: {
  custom: {
    50: '#99abe8',
    500: '#6589dd',
    950: '#000000',
  },
}

SCSS

$custom: #6589dd;
$custom-light: #99abe8;
$custom-dark: #000000;

JSON

{
  "hex": "#6589dd",
  "rgb": {
    "r": 101,
    "g": 137,
    "b": 221
  },
  "hsl": {
    "h": 222,
    "s": 63.83,
    "l": 63.137
  },
  "oklch": {
    "l": 0.6411,
    "c": 0.13283,
    "h": 265.3
  },
  "luminance": 0.25878
}

Semantic roles & 50–950 ramp

primary

#6589DD

secondary

#E4D7B9

accent

#961ACC

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #6589DD

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

Preview Lab → · Contrast checker → · Palette generator →