#6490EC#6490EC

#6490EC is a light, vivid blue. Relative luminance 0.287; OKLCH L 66.4% C 0.146 H 263.6°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#6490EC
RGB	rgb(100, 144, 236)
HSL	hsl(221, 78%, 66%)
HSV	hsv(221, 58%, 93%)
CMYK	cmyk(57.6%, 39%, 0%, 7.5%)
CIE-LAB	lab(60.52, 11.96, -50.97)
CIE-LCH	lch(60.52, 52.35, 283.20°)
OKLab	oklab(66.36% -0.0162 -0.1447)
OKLCH	oklch(66.36% 0.146 263.6)
XYZ	xyz(30.3639, 28.7095, 83.2820)
Luminance	0.2871 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6490EC #ECC064

analogous

#64D4EC #6490EC #7C64EC

triadic

#6490EC #EC6490 #90EC64

tetradic

#6490EC #EC64D4 #ECC064 #64EC7C

square

#6490EC #EC64D4 #ECC064 #64EC7C

split-complementary

#6490EC #EC7C64 #D4EC64

monochromatic

#174DBE #2D69E5 #6490EC #9BB7F3 #D1DEF9

Accessibility & contrast

On white

3.11

#6490EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.74

#6490EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6490EC

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6490EC	#FFFFFF	#000000	##000000
##6490EC	1.00	3.11	6.74	6.74
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.74	21.00	1.00	1.00
##000000	6.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6999F0

Deuteranopia (green-blind)

#578CEA

Tritanopia (blue-blind)

#00A4B3

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #6490ec;
/* rgb */ color: rgb(100, 144, 236);
/* oklch */ color: oklch(66.4% 0.146 263.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#6490ec",
  "rgb": {
    "r": 100,
    "g": 144,
    "b": 236
  },
  "hsl": {
    "h": 220.588,
    "s": 78.161,
    "l": 65.882
  },
  "oklch": {
    "l": 0.6636,
    "c": 0.14558,
    "h": 263.6
  },
  "luminance": 0.28712
}

Semantic roles & 50–950 ramp

primary

#6490EC

secondary

#ECDEBF

accent

#970BDA

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6490EC

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

Preview Lab → · Contrast checker → · Palette generator →