#6690EC#6690EC

#6690EC is a light, vivid blue. Relative luminance 0.288; OKLCH L 66.5% C 0.145 H 264.3°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#6690EC
RGB	rgb(102, 144, 236)
HSL	hsl(221, 78%, 66%)
HSV	hsv(221, 57%, 93%)
CMYK	cmyk(56.8%, 39%, 0%, 7.5%)
CIE-LAB	lab(60.63, 12.35, -50.80)
CIE-LCH	lch(60.63, 52.28, 283.67°)
OKLab	oklab(66.47% -0.0144 -0.1441)
OKLCH	oklch(66.47% 0.145 264.3)
XYZ	xyz(30.5879, 28.8250, 83.2925)
Luminance	0.2883 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6690EC #ECC266

analogous

#66D3EC #6690EC #7F66EC

triadic

#6690EC #EC6690 #90EC66

tetradic

#6690EC #EC66D3 #ECC266 #66EC7F

square

#6690EC #EC66D3 #ECC266 #66EC7F

split-complementary

#6690EC #EC7F66 #D3EC66

monochromatic

#184CC0 #3069E5 #6690EC #9CB7F3 #D3DFFA

Accessibility & contrast

On white

3.10

#6690EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.77

#6690EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6690EC

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6690EC	#FFFFFF	#000000	##000000
##6690EC	1.00	3.10	6.77	6.77
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.77	21.00	1.00	1.00
##000000	6.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6999F0

Deuteranopia (green-blind)

#588DEA

Tritanopia (blue-blind)

#00A4B3

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #6690ec;
/* rgb */ color: rgb(102, 144, 236);
/* oklch */ color: oklch(66.5% 0.145 264.3);

Tailwind

colors: {
  custom: {
    50: '#9bb0f2',
    500: '#6690ec',
    950: '#000000',
  },
}

SCSS

$custom: #6690ec;
$custom-light: #9bb0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#6690ec",
  "rgb": {
    "r": 102,
    "g": 144,
    "b": 236
  },
  "hsl": {
    "h": 221.194,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.66467,
    "c": 0.14487,
    "h": 264.3
  },
  "luminance": 0.28827
}

Semantic roles & 50–950 ramp

primary

#6690EC

secondary

#EDDFC1

accent

#990BDA

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6690EC

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

Preview Lab → · Contrast checker → · Palette generator →