#6691E7#6691E7

#6691E7 is a light, vivid blue. Relative luminance 0.288; OKLCH L 66.4% C 0.137 H 263.1°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#6691E7
RGB	rgb(102, 145, 231)
HSL	hsl(220, 73%, 65%)
HSV	hsv(220, 56%, 91%)
CMYK	cmyk(55.8%, 37.2%, 0%, 9.4%)
CIE-LAB	lab(60.64, 10.17, -48.01)
CIE-LCH	lch(60.64, 49.07, 281.96°)
OKLab	oklab(66.4% -0.0165 -0.136)
OKLCH	oklch(66.4% 0.137 263.1)
XYZ	xyz(30.0238, 28.8427, 79.5709)
Luminance	0.2884 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6691E7 #E7BC66

analogous

#66D1E7 #6691E7 #7B66E7

triadic

#6691E7 #E76691 #91E766

tetradic

#6691E7 #E766D1 #E7BC66 #66E77B

square

#6691E7 #E766D1 #E7BC66 #66E77B

split-complementary

#6691E7 #E77B66 #D1E766

monochromatic

#1D50B6 #316BDF #6691E7 #9BB7EF #D0DDF8

Accessibility & contrast

On white

3.10

#6691E7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.77

#6691E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6691E7

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6691E7	#FFFFFF	#000000	##000000
##6691E7	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)

#6E99EA

Deuteranopia (green-blind)

#5D8DE5

Tritanopia (blue-blind)

#07A4B1

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #6691e7;
/* rgb */ color: rgb(102, 145, 231);
/* oklch */ color: oklch(66.4% 0.137 263.1);

Tailwind

colors: {
  custom: {
    50: '#9ab0ef',
    500: '#6691e7',
    950: '#000000',
  },
}

SCSS

$custom: #6691e7;
$custom-light: #9ab0ef;
$custom-dark: #000000;

JSON

{
  "hex": "#6691e7",
  "rgb": {
    "r": 102,
    "g": 145,
    "b": 231
  },
  "hsl": {
    "h": 220,
    "s": 72.881,
    "l": 65.294
  },
  "oklch": {
    "l": 0.66396,
    "c": 0.13697,
    "h": 263.1
  },
  "luminance": 0.28845
}

Semantic roles & 50–950 ramp

primary

#6691E7

secondary

#EADCBF

accent

#9311D5

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #6691E7

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

Preview Lab → · Contrast checker → · Palette generator →