#6691EC#6691EC

#6691EC is a light, vivid blue. Relative luminance 0.291; OKLCH L 66.7% C 0.144 H 263.8°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#6691EC
RGB	rgb(102, 145, 236)
HSL	hsl(221, 78%, 66%)
HSV	hsv(221, 57%, 93%)
CMYK	cmyk(56.8%, 38.6%, 0%, 7.5%)
CIE-LAB	lab(60.90, 11.76, -50.37)
CIE-LCH	lch(60.90, 51.73, 283.14°)
OKLab	oklab(66.68% -0.0155 -0.1429)
OKLCH	oklch(66.68% 0.144 263.8)
XYZ	xyz(30.7400, 29.1292, 83.3432)
Luminance	0.2913 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6691EC #ECC166

analogous

#66D4EC #6691EC #7E66EC

triadic

#6691EC #EC6691 #91EC66

tetradic

#6691EC #EC66D4 #ECC166 #66EC7E

square

#6691EC #EC66D4 #ECC166 #66EC7E

split-complementary

#6691EC #EC7E66 #D4EC66

monochromatic

#184EC0 #306AE5 #6691EC #9CB8F3 #D3DFFA

Accessibility & contrast

On white

3.08

#6691EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.83

#6691EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6691EC

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6691EC	#FFFFFF	#000000	##000000
##6691EC	1.00	3.08	6.83	6.83
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.83	21.00	1.00	1.00
##000000	6.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B9AF0

Deuteranopia (green-blind)

#5A8DEA

Tritanopia (blue-blind)

#00A5B3

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #6691ec;
/* rgb */ color: rgb(102, 145, 236);
/* oklch */ color: oklch(66.7% 0.144 263.8);

Tailwind

colors: {
  custom: {
    50: '#9bb0f2',
    500: '#6691ec',
    950: '#000000',
  },
}

SCSS

$custom: #6691ec;
$custom-light: #9bb0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#6691ec",
  "rgb": {
    "r": 102,
    "g": 145,
    "b": 236
  },
  "hsl": {
    "h": 220.746,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.66675,
    "c": 0.14372,
    "h": 263.8
  },
  "luminance": 0.29132
}

Semantic roles & 50–950 ramp

primary

#6691EC

secondary

#EDDFC1

accent

#980BDA

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6691EC

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

Preview Lab → · Contrast checker → · Palette generator →