#669FE4#669FE4

#669FE4 is a light, moderate cyan. Relative luminance 0.332; OKLCH L 69.2% C 0.119 H 254.0°. Best body text is #000000 at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#669FE4
RGB	rgb(102, 159, 228)
HSL	hsl(213, 70%, 65%)
HSV	hsv(213, 55%, 89%)
CMYK	cmyk(55.3%, 30.3%, 0%, 10.6%)
CIE-LAB	lab(64.34, 1.10, -40.53)
CIE-LCH	lch(64.34, 40.54, 271.55°)
OKLab	oklab(69.23% -0.0327 -0.1141)
OKLCH	oklch(69.23% 0.119 254)
XYZ	xyz(31.8763, 33.2199, 78.1160)
Luminance	0.3322 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FE4 #E4AB66

analogous

#66DEE4 #669FE4 #6C66E4

triadic

#669FE4 #E4669F #9FE466

tetradic

#669FE4 #E466DE #E4AB66 #66E46C

square

#669FE4 #E466DE #E4AB66 #66E46C

split-complementary

#669FE4 #E46C66 #DEE466

monochromatic

#1F61B0 #327EDB #669FE4 #9AC0ED #CEE0F6

Accessibility & contrast

On white

2.75

#669FE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.64

#669FE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FE4

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FE4	#FFFFFF	#000000	##000000
##669FE4	1.00	2.75	7.64	7.64
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.64	21.00	1.00	1.00
##000000	7.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83A3E7

Deuteranopia (green-blind)

#7396E3

Tritanopia (blue-blind)

#05AFB7

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #669fe4;
/* rgb */ color: rgb(102, 159, 228);
/* oklch */ color: oklch(69.2% 0.119 254.0);

Tailwind

colors: {
  custom: {
    50: '#9abbed',
    500: '#669fe4',
    950: '#000000',
  },
}

SCSS

$custom: #669fe4;
$custom-light: #9abbed;
$custom-dark: #000000;

JSON

{
  "hex": "#669fe4",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 228
  },
  "hsl": {
    "h": 212.857,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.69229,
    "c": 0.11869,
    "h": 254
  },
  "luminance": 0.33222
}

Semantic roles & 50–950 ramp

primary

#669FE4

secondary

#E9D5BD

accent

#7C14D2

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1116

muted

#7E8084

Preview Lab

Preview with #669FE4

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

Preview Lab → · Contrast checker → · Palette generator →