#669BE5#669BE5

#669BE5 is a light, vivid cyan. Relative luminance 0.319; OKLCH L 68.4% C 0.124 H 256.9°. Best body text is #000000 at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#669BE5
RGB	rgb(102, 155, 229)
HSL	hsl(215, 71%, 65%)
HSV	hsv(215, 55%, 90%)
CMYK	cmyk(55.5%, 32.3%, 0%, 10.2%)
CIE-LAB	lab(63.28, 3.71, -42.74)
CIE-LCH	lch(63.28, 42.90, 274.95°)
OKLab	oklab(68.42% -0.028 -0.1205)
OKLCH	oklch(68.42% 0.124 256.9)
XYZ	xyz(31.3388, 31.9221, 78.6237)
Luminance	0.3192 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BE5 #E5B066

analogous

#66DAE5 #669BE5 #7166E5

triadic

#669BE5 #E5669B #9BE566

tetradic

#669BE5 #E566DA #E5B066 #66E571

square

#669BE5 #E566DA #E5B066 #66E571

split-complementary

#669BE5 #E57166 #DAE566

monochromatic

#1E5CB2 #3279DC #669BE5 #9ABDEE #CFDFF7

Accessibility & contrast

On white

2.84

#669BE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.38

#669BE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BE5

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BE5	#FFFFFF	#000000	##000000
##669BE5	1.00	2.84	7.38	7.38
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.38	21.00	1.00	1.00
##000000	7.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7DA0E8

Deuteranopia (green-blind)

#6D94E3

Tritanopia (blue-blind)

#05ACB6

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #669be5;
/* rgb */ color: rgb(102, 155, 229);
/* oklch */ color: oklch(68.4% 0.124 256.9);

Tailwind

colors: {
  custom: {
    50: '#9ab8ed',
    500: '#669be5',
    950: '#000000',
  },
}

SCSS

$custom: #669be5;
$custom-light: #9ab8ed;
$custom-dark: #000000;

JSON

{
  "hex": "#669be5",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 229
  },
  "hsl": {
    "h": 214.961,
    "s": 70.95,
    "l": 64.902
  },
  "oklch": {
    "l": 0.68415,
    "c": 0.12376,
    "h": 256.9
  },
  "luminance": 0.31925
}

Semantic roles & 50–950 ramp

primary

#669BE5

secondary

#E9D7BE

accent

#8313D3

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1116

muted

#7E8084

Preview Lab

Preview with #669BE5

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

Preview Lab → · Contrast checker → · Palette generator →