#6490EB#6490EB

#6490EB is a light, vivid blue. Relative luminance 0.287; OKLCH L 66.3% C 0.144 H 263.5°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#6490EB
RGB	rgb(100, 144, 235)
HSL	hsl(220, 77%, 66%)
HSV	hsv(220, 57%, 92%)
CMYK	cmyk(57.4%, 38.7%, 0%, 7.8%)
CIE-LAB	lab(60.47, 11.63, -50.50)
CIE-LCH	lch(60.47, 51.82, 282.98°)
OKLab	oklab(66.3% -0.0164 -0.1433)
OKLCH	oklch(66.3% 0.144 263.5)
XYZ	xyz(30.2190, 28.6515, 82.5190)
Luminance	0.2865 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6490EB #EBBF64

analogous

#64D4EB #6490EB #7B64EB

triadic

#6490EB #EB6490 #90EB64

tetradic

#6490EB #EB64D4 #EBBF64 #64EB7B

square

#6490EB #EB64D4 #EBBF64 #64EB7B

split-complementary

#6490EB #EB7B64 #D4EB64

monochromatic

#184EBC #2E69E4 #6490EB #9AB7F2 #D0DEF9

Accessibility & contrast

On white

3.12

#6490EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#6490EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6490EB

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6490EB	#FFFFFF	#000000	##000000
##6490EB	1.00	3.12	6.73	6.73
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.73	21.00	1.00	1.00
##000000	6.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A99EF

Deuteranopia (green-blind)

#588CE9

Tritanopia (blue-blind)

#00A4B2

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #6490eb;
/* rgb */ color: rgb(100, 144, 235);
/* oklch */ color: oklch(66.3% 0.144 263.5);

Tailwind

colors: {
  custom: {
    50: '#9ab0f2',
    500: '#6490eb',
    950: '#000000',
  },
}

SCSS

$custom: #6490eb;
$custom-light: #9ab0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#6490eb",
  "rgb": {
    "r": 100,
    "g": 144,
    "b": 235
  },
  "hsl": {
    "h": 220.444,
    "s": 77.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.66304,
    "c": 0.14424,
    "h": 263.5
  },
  "luminance": 0.28654
}

Semantic roles & 50–950 ramp

primary

#6490EB

secondary

#ECDDBF

accent

#960CD9

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6490EB

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

Preview Lab → · Contrast checker → · Palette generator →