#669BE4#669BE4

#669BE4 is a light, vivid cyan. Relative luminance 0.319; OKLCH L 68.4% C 0.122 H 256.6°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#669BE4
RGB	rgb(102, 155, 228)
HSL	hsl(215, 70%, 65%)
HSV	hsv(215, 55%, 89%)
CMYK	cmyk(55.3%, 32%, 0%, 10.6%)
CIE-LAB	lab(63.23, 3.39, -42.26)
CIE-LCH	lch(63.23, 42.40, 274.59°)
OKLab	oklab(68.36% -0.0283 -0.1191)
OKLCH	oklch(68.36% 0.122 256.6)
XYZ	xyz(31.1995, 31.8664, 77.8904)
Luminance	0.3187 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BE4 #E4AF66

analogous

#66DAE4 #669BE4 #7066E4

triadic

#669BE4 #E4669B #9BE466

tetradic

#669BE4 #E466DA #E4AF66 #66E470

square

#669BE4 #E466DA #E4AF66 #66E470

split-complementary

#669BE4 #E47066 #DAE466

monochromatic

#1F5CB0 #3279DB #669BE4 #9ABDED #CEDFF6

Accessibility & contrast

On white

2.85

#669BE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.37

#669BE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BE4

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BE4	#FFFFFF	#000000	##000000
##669BE4	1.00	2.85	7.37	7.37
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.37	21.00	1.00	1.00
##000000	7.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7DA0E7

Deuteranopia (green-blind)

#6D94E2

Tritanopia (blue-blind)

#0AABB5

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #669be4;
/* rgb */ color: rgb(102, 155, 228);
/* oklch */ color: oklch(68.4% 0.122 256.6);

Tailwind

colors: {
  custom: {
    50: '#9ab8ed',
    500: '#669be4',
    950: '#000000',
  },
}

SCSS

$custom: #669be4;
$custom-light: #9ab8ed;
$custom-dark: #000000;

JSON

{
  "hex": "#669be4",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 228
  },
  "hsl": {
    "h": 214.762,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.68364,
    "c": 0.12246,
    "h": 256.6
  },
  "luminance": 0.31869
}

Semantic roles & 50–950 ramp

primary

#669BE4

secondary

#E9D6BD

accent

#8214D2

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1116

muted

#7E8084

Preview Lab

Preview with #669BE4

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

Preview Lab → · Contrast checker → · Palette generator →