#6390EB#6390EB

#6390EB is a light, vivid blue. Relative luminance 0.286; OKLCH L 66.3% C 0.145 H 263.1°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#6390EB
RGB	rgb(99, 144, 235)
HSL	hsl(220, 77%, 65%)
HSV	hsv(220, 58%, 92%)
CMYK	cmyk(57.9%, 38.7%, 0%, 7.8%)
CIE-LAB	lab(60.42, 11.44, -50.58)
CIE-LCH	lch(60.42, 51.86, 282.74°)
OKLab	oklab(66.25% -0.0173 -0.1436)
OKLCH	oklch(66.25% 0.145 263.1)
XYZ	xyz(30.1091, 28.5948, 82.5138)
Luminance	0.2860 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6390EB #EBBE63

analogous

#63D4EB #6390EB #7A63EB

triadic

#6390EB #EB6390 #90EB63

tetradic

#6390EB #EB63D4 #EBBE63 #63EB7A

square

#6390EB #EB63D4 #EBBE63 #63EB7A

split-complementary

#6390EB #EB7A63 #D4EB63

monochromatic

#184EBC #2D69E4 #6390EB #99B7F2 #CFDDF9

Accessibility & contrast

On white

3.13

#6390EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.72

#6390EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6390EB

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6390EB	#FFFFFF	#000000	##000000
##6390EB	1.00	3.13	6.72	6.72
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.72	21.00	1.00	1.00
##000000	6.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6998EF

Deuteranopia (green-blind)

#588CE9

Tritanopia (blue-blind)

#00A4B2

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #6390eb;
/* rgb */ color: rgb(99, 144, 235);
/* oklch */ color: oklch(66.3% 0.145 263.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#6390eb",
  "rgb": {
    "r": 99,
    "g": 144,
    "b": 235
  },
  "hsl": {
    "h": 220.147,
    "s": 77.273,
    "l": 65.49
  },
  "oklch": {
    "l": 0.66251,
    "c": 0.1446,
    "h": 263.1
  },
  "luminance": 0.28597
}

Semantic roles & 50–950 ramp

primary

#6390EB

secondary

#ECDDBE

accent

#960CDA

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6390EB

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

Preview Lab → · Contrast checker → · Palette generator →