#6690DC#6690DC

#6690DC is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.6% C 0.123 H 261.6°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#6690DC
RGB	rgb(102, 144, 220)
HSL	hsl(219, 63%, 63%)
HSV	hsv(219, 54%, 86%)
CMYK	cmyk(53.6%, 34.5%, 0%, 13.7%)
CIE-LAB	lab(59.83, 7.28, -43.17)
CIE-LCH	lch(59.83, 43.78, 279.57°)
OKLab	oklab(65.59% -0.018 -0.1219)
OKLCH	oklch(65.59% 0.123 261.6)
XYZ	xyz(28.3666, 27.9365, 71.5937)
Luminance	0.2794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6690DC #DCB266

analogous

#66CBDC #6690DC #7766DC

triadic

#6690DC #DC6690 #90DC66

tetradic

#6690DC #DC66CB #DCB266 #66DC77

square

#6690DC #DC66CB #DCB266 #66DC77

split-complementary

#6690DC #DC7766 #CBDC66

monochromatic

#2552A2 #346CD1 #6690DC #98B4E7 #CAD8F3

Accessibility & contrast

On white

3.19

#6690DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#6690DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6690DC

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6690DC	#FFFFFF	#000000	##000000
##6690DC	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7296DF

Deuteranopia (green-blind)

#638BDA

Tritanopia (blue-blind)

#24A1AC

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #6690dc;
/* rgb */ color: rgb(102, 144, 220);
/* oklch */ color: oklch(65.6% 0.123 261.6);

Tailwind

colors: {
  custom: {
    50: '#99b0e7',
    500: '#6690dc',
    950: '#000000',
  },
}

SCSS

$custom: #6690dc;
$custom-light: #99b0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#6690dc",
  "rgb": {
    "r": 102,
    "g": 144,
    "b": 220
  },
  "hsl": {
    "h": 218.644,
    "s": 62.766,
    "l": 63.137
  },
  "oklch": {
    "l": 0.6559,
    "c": 0.1232,
    "h": 261.6
  },
  "luminance": 0.27939
}

Semantic roles & 50–950 ramp

primary

#6690DC

secondary

#E4D5BA

accent

#8C1BCB

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #6690DC

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

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