#6691EE#6691EE

#6691EE is a light, vivid blue. Relative luminance 0.292; OKLCH L 66.8% C 0.146 H 264.1°. Best body text is #000000 at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#6691EE
RGB	rgb(102, 145, 238)
HSL	hsl(221, 80%, 67%)
HSV	hsv(221, 57%, 93%)
CMYK	cmyk(57.1%, 39.1%, 0%, 6.7%)
CIE-LAB	lab(61.00, 12.40, -51.31)
CIE-LCH	lch(61.00, 52.79, 283.59°)
OKLab	oklab(66.79% -0.015 -0.1456)
OKLCH	oklch(66.79% 0.146 264.1)
XYZ	xyz(31.0322, 29.2461, 84.8821)
Luminance	0.2925 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6691EE #EEC366

analogous

#66D5EE #6691EE #7F66EE

triadic

#6691EE #EE6691 #91EE66

tetradic

#6691EE #EE66D5 #EEC366 #66EE7F

square

#6691EE #EE66D5 #EEC366 #66EE7F

split-complementary

#6691EE #EE7F66 #D5EE66

monochromatic

#164DC4 #2F69E8 #6691EE #9DB9F4 #D4E0FA

Accessibility & contrast

On white

3.07

#6691EE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.85

#6691EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6691EE

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6691EE	#FFFFFF	#000000	##000000
##6691EE	1.00	3.07	6.85	6.85
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.85	21.00	1.00	1.00
##000000	6.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A9AF2

Deuteranopia (green-blind)

#588DEC

Tritanopia (blue-blind)

#00A6B4

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #6691ee;
/* rgb */ color: rgb(102, 145, 238);
/* oklch */ color: oklch(66.8% 0.146 264.1);

Tailwind

colors: {
  custom: {
    50: '#9bb0f4',
    500: '#6691ee',
    950: '#000000',
  },
}

SCSS

$custom: #6691ee;
$custom-light: #9bb0f4;
$custom-dark: #000000;

JSON

{
  "hex": "#6691ee",
  "rgb": {
    "r": 102,
    "g": 145,
    "b": 238
  },
  "hsl": {
    "h": 221.029,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.66787,
    "c": 0.14643,
    "h": 264.1
  },
  "luminance": 0.29249
}

Semantic roles & 50–950 ramp

primary

#6691EE

secondary

#EEE0C2

accent

#9A09DC

background

#FAFAFE

surface

#F4F4FD

border

#CECED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6691EE

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

Preview Lab → · Contrast checker → · Palette generator →