#669DE4#669DE4

#669DE4 is a light, vivid cyan. Relative luminance 0.325; OKLCH L 68.8% C 0.121 H 255.3°. Best body text is #000000 at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#669DE4
RGB	rgb(102, 157, 228)
HSL	hsl(214, 70%, 65%)
HSV	hsv(214, 55%, 89%)
CMYK	cmyk(55.3%, 31.1%, 0%, 10.6%)
CIE-LAB	lab(63.78, 2.24, -41.40)
CIE-LCH	lch(63.78, 41.46, 273.10°)
OKLab	oklab(68.8% -0.0305 -0.1166)
OKLCH	oklch(68.8% 0.121 255.3)
XYZ	xyz(31.5351, 32.5376, 78.0023)
Luminance	0.3254 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669DE4 #E4AD66

analogous

#66DCE4 #669DE4 #6E66E4

triadic

#669DE4 #E4669D #9DE466

tetradic

#669DE4 #E466DC #E4AD66 #66E46E

square

#669DE4 #E466DC #E4AD66 #66E46E

split-complementary

#669DE4 #E46E66 #DCE466

monochromatic

#1F5FB0 #327CDB #669DE4 #9ABEED #CEE0F6

Accessibility & contrast

On white

2.80

#669DE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.51

#669DE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DE4

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669DE4	#FFFFFF	#000000	##000000
##669DE4	1.00	2.80	7.51	7.51
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.51	21.00	1.00	1.00
##000000	7.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80A1E7

Deuteranopia (green-blind)

#7095E3

Tritanopia (blue-blind)

#07ADB6

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #669de4;
/* rgb */ color: rgb(102, 157, 228);
/* oklch */ color: oklch(68.8% 0.121 255.3);

Tailwind

colors: {
  custom: {
    50: '#9ab9ed',
    500: '#669de4',
    950: '#000000',
  },
}

SCSS

$custom: #669de4;
$custom-light: #9ab9ed;
$custom-dark: #000000;

JSON

{
  "hex": "#669de4",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 228
  },
  "hsl": {
    "h": 213.81,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.68796,
    "c": 0.12054,
    "h": 255.3
  },
  "luminance": 0.3254
}

Semantic roles & 50–950 ramp

primary

#669DE4

secondary

#E9D6BD

accent

#7F14D2

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1116

muted

#7E8084

Preview Lab

Preview with #669DE4

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

Preview Lab → · Contrast checker → · Palette generator →