#669EE0#669EE0

#669EE0 is a light, moderate cyan. Relative luminance 0.327; OKLCH L 68.8% C 0.115 H 253.4°. Best body text is #000000 at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#669EE0
RGB	rgb(102, 158, 224)
HSL	hsl(212, 66%, 64%)
HSV	hsv(212, 54%, 88%)
CMYK	cmyk(54.5%, 29.5%, 0%, 12.2%)
CIE-LAB	lab(63.88, 0.43, -39.03)
CIE-LCH	lch(63.88, 39.03, 270.63°)
OKLab	oklab(68.81% -0.0327 -0.1098)
OKLCH	oklch(68.81% 0.115 253.4)
XYZ	xyz(31.1562, 32.6578, 75.1683)
Luminance	0.3266 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EE0 #E0A866

analogous

#66DBE0 #669EE0 #6B66E0

triadic

#669EE0 #E0669E #9EE066

tetradic

#669EE0 #E066DB #E0A866 #66E06B

square

#669EE0 #E066DB #E0A866 #66E06B

split-complementary

#669EE0 #E06B66 #DBE066

monochromatic

#2260A9 #337ED6 #669EE0 #99BEEA #CCDFF5

Accessibility & contrast

On white

2.79

#669EE0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.53

#669EE0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EE0

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EE0	#FFFFFF	#000000	##000000
##669EE0	1.00	2.79	7.53	7.53
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.53	21.00	1.00	1.00
##000000	7.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83A1E3

Deuteranopia (green-blind)

#7495DF

Tritanopia (blue-blind)

#15ADB5

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #669ee0;
/* rgb */ color: rgb(102, 158, 224);
/* oklch */ color: oklch(68.8% 0.115 253.4);

Tailwind

colors: {
  custom: {
    50: '#99baea',
    500: '#669ee0',
    950: '#000000',
  },
}

SCSS

$custom: #669ee0;
$custom-light: #99baea;
$custom-dark: #000000;

JSON

{
  "hex": "#669ee0",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 224
  },
  "hsl": {
    "h": 212.459,
    "s": 66.304,
    "l": 63.922
  },
  "oklch": {
    "l": 0.68814,
    "c": 0.11454,
    "h": 253.4
  },
  "luminance": 0.3266
}

Semantic roles & 50–950 ramp

primary

#669EE0

secondary

#E6D3BC

accent

#7A17CE

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1116

muted

#7E8084

Preview Lab

Preview with #669EE0

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

Preview Lab → · Contrast checker → · Palette generator →