#669EE5#669EE5

#669EE5 is a light, vivid cyan. Relative luminance 0.329; OKLCH L 69.1% C 0.121 H 255.0°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#669EE5
RGB	rgb(102, 158, 229)
HSL	hsl(214, 71%, 65%)
HSV	hsv(214, 55%, 90%)
CMYK	cmyk(55.5%, 31%, 0%, 10.2%)
CIE-LAB	lab(64.11, 1.98, -41.44)
CIE-LCH	lch(64.11, 41.49, 272.74°)
OKLab	oklab(69.06% -0.0313 -0.1167)
OKLCH	oklch(69.06% 0.121 255)
XYZ	xyz(31.8442, 32.9330, 78.7922)
Luminance	0.3294 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EE5 #E5AD66

analogous

#66DEE5 #669EE5 #6D66E5

triadic

#669EE5 #E5669E #9EE566

tetradic

#669EE5 #E566DE #E5AD66 #66E56D

square

#669EE5 #E566DE #E5AD66 #66E56D

split-complementary

#669EE5 #E56D66 #DEE566

monochromatic

#1E60B2 #327DDC #669EE5 #9ABFEE #CFE0F7

Accessibility & contrast

On white

2.77

#669EE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.59

#669EE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EE5

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EE5	#FFFFFF	#000000	##000000
##669EE5	1.00	2.77	7.59	7.59
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.59	21.00	1.00	1.00
##000000	7.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81A2E8

Deuteranopia (green-blind)

#7196E4

Tritanopia (blue-blind)

#02AEB7

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #669ee5;
/* rgb */ color: rgb(102, 158, 229);
/* oklch */ color: oklch(69.1% 0.121 255.0);

Tailwind

colors: {
  custom: {
    50: '#9abaed',
    500: '#669ee5',
    950: '#000000',
  },
}

SCSS

$custom: #669ee5;
$custom-light: #9abaed;
$custom-dark: #000000;

JSON

{
  "hex": "#669ee5",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 229
  },
  "hsl": {
    "h": 213.543,
    "s": 70.95,
    "l": 64.902
  },
  "oklch": {
    "l": 0.69063,
    "c": 0.12088,
    "h": 255
  },
  "luminance": 0.32936
}

Semantic roles & 50–950 ramp

primary

#669EE5

secondary

#E9D6BE

accent

#7E13D3

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1116

muted

#7E8084

Preview Lab

Preview with #669EE5

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

Preview Lab → · Contrast checker → · Palette generator →