#6390EC#6390EC

#6390EC is a light, vivid blue. Relative luminance 0.287; OKLCH L 66.3% C 0.146 H 263.3°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#6390EC
RGB	rgb(99, 144, 236)
HSL	hsl(220, 78%, 66%)
HSV	hsv(220, 58%, 93%)
CMYK	cmyk(58.1%, 39%, 0%, 7.5%)
CIE-LAB	lab(60.47, 11.76, -51.05)
CIE-LCH	lch(60.47, 52.39, 282.97°)
OKLab	oklab(66.31% -0.0171 -0.1449)
OKLCH	oklch(66.31% 0.146 263.3)
XYZ	xyz(30.2540, 28.6528, 83.2768)
Luminance	0.2866 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6390EC #ECBF63

analogous

#63D4EC #6390EC #7A63EC

triadic

#6390EC #EC6390 #90EC63

tetradic

#6390EC #EC63D4 #ECBF63 #63EC7A

square

#6390EC #EC63D4 #ECBF63 #63EC7A

split-complementary

#6390EC #EC7A63 #D4EC63

monochromatic

#174EBE #2C69E5 #6390EC #9AB7F3 #D0DEF9

Accessibility & contrast

On white

3.12

#6390EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#6390EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6390EC

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6390EC	#FFFFFF	#000000	##000000
##6390EC	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)

#6999F0

Deuteranopia (green-blind)

#578CEA

Tritanopia (blue-blind)

#00A4B3

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #6390ec;
/* rgb */ color: rgb(99, 144, 236);
/* oklch */ color: oklch(66.3% 0.146 263.3);

Tailwind

colors: {
  custom: {
    50: '#99b0f2',
    500: '#6390ec',
    950: '#000000',
  },
}

SCSS

$custom: #6390ec;
$custom-light: #99b0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#6390ec",
  "rgb": {
    "r": 99,
    "g": 144,
    "b": 236
  },
  "hsl": {
    "h": 220.292,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.66308,
    "c": 0.14595,
    "h": 263.3
  },
  "luminance": 0.28655
}

Semantic roles & 50–950 ramp

primary

#6390EC

secondary

#ECDDBF

accent

#960BDB

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6390EC

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

Preview Lab → · Contrast checker → · Palette generator →