#6490DF#6490DF

#6490DF is a light, vivid blue. Relative luminance 0.280; OKLCH L 65.6% C 0.128 H 261.4°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#6490DF
RGB	rgb(100, 144, 223)
HSL	hsl(219, 66%, 63%)
HSV	hsv(219, 55%, 87%)
CMYK	cmyk(55.2%, 35.4%, 0%, 12.5%)
CIE-LAB	lab(59.87, 7.80, -44.79)
CIE-LCH	lch(59.87, 45.46, 279.88°)
OKLab	oklab(65.64% -0.0191 -0.1266)
OKLCH	oklch(65.64% 0.128 261.4)
XYZ	xyz(28.5435, 27.9813, 73.6945)
Luminance	0.2798 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6490DF #DFB364

analogous

#64CDDF #6490DF #7564DF

triadic

#6490DF #DF6490 #90DF64

tetradic

#6490DF #DF64CD #DFB364 #64DF75

square

#6490DF #DF64CD #DFB364 #64DF75

split-complementary

#6490DF #DF7564 #CDDF64

monochromatic

#2252A6 #316CD5 #6490DF #97B4E9 #C9D9F4

Accessibility & contrast

On white

3.18

#6490DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.60

#6490DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6490DF

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6490DF	#FFFFFF	#000000	##000000
##6490DF	1.00	3.18	6.60	6.60
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.60	21.00	1.00	1.00
##000000	6.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7096E2

Deuteranopia (green-blind)

#618BDD

Tritanopia (blue-blind)

#13A1AD

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #6490df;
/* rgb */ color: rgb(100, 144, 223);
/* oklch */ color: oklch(65.6% 0.128 261.4);

Tailwind

colors: {
  custom: {
    50: '#98b0e9',
    500: '#6490df',
    950: '#000000',
  },
}

SCSS

$custom: #6490df;
$custom-light: #98b0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#6490df",
  "rgb": {
    "r": 100,
    "g": 144,
    "b": 223
  },
  "hsl": {
    "h": 218.537,
    "s": 65.775,
    "l": 63.333
  },
  "oklch": {
    "l": 0.65641,
    "c": 0.12805,
    "h": 261.4
  },
  "luminance": 0.27984
}

Semantic roles & 50–950 ramp

primary

#6490DF

secondary

#E5D6B9

accent

#8D18CE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #6490DF

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

Preview Lab → · Contrast checker → · Palette generator →