#6490EF#6490EF

#6490EF is a light, vivid blue. Relative luminance 0.289; OKLCH L 66.5% C 0.150 H 264.0°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#6490EF
RGB	rgb(100, 144, 239)
HSL	hsl(221, 81%, 66%)
HSV	hsv(221, 58%, 94%)
CMYK	cmyk(58.2%, 39.7%, 0%, 6.3%)
CIE-LAB	lab(60.68, 12.93, -52.38)
CIE-LCH	lch(60.68, 53.95, 283.86°)
OKLab	oklab(66.53% -0.0156 -0.1488)
OKLCH	oklch(66.53% 0.15 264)
XYZ	xyz(30.8034, 28.8853, 85.5968)
Luminance	0.2889 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6490EF #EFC364

analogous

#64D6EF #6490EF #7E64EF

triadic

#6490EF #EF6490 #90EF64

tetradic

#6490EF #EF64D6 #EFC364 #64EF7E

square

#6490EF #EF64D6 #EFC364 #64EF7E

split-complementary

#6490EF #EF7E64 #D6EF64

monochromatic

#144CC4 #2D68E9 #6490EF #9BB8F5 #D3DFFA

Accessibility & contrast

On white

3.10

#6490EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#6490EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6490EF

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6490EF	#FFFFFF	#000000	##000000
##6490EF	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6799F3

Deuteranopia (green-blind)

#558CED

Tritanopia (blue-blind)

#00A5B4

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #6490ef;
/* rgb */ color: rgb(100, 144, 239);
/* oklch */ color: oklch(66.5% 0.150 264.0);

Tailwind

colors: {
  custom: {
    50: '#9ab0f5',
    500: '#6490ef',
    950: '#000000',
  },
}

SCSS

$custom: #6490ef;
$custom-light: #9ab0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#6490ef",
  "rgb": {
    "r": 100,
    "g": 144,
    "b": 239
  },
  "hsl": {
    "h": 221.007,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.66531,
    "c": 0.14962,
    "h": 264
  },
  "luminance": 0.28888
}

Semantic roles & 50–950 ramp

primary

#6490EF

secondary

#EEE0C1

accent

#9A08DE

background

#FAFAFF

surface

#F3F4FE

border

#CDCED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6490EF

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

Preview Lab → · Contrast checker → · Palette generator →