#669CDC#669CDC

#669CDC is a light, moderate cyan. Relative luminance 0.318; OKLCH L 68.2% C 0.111 H 253.5°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#669CDC
RGB	rgb(102, 156, 220)
HSL	hsl(213, 63%, 63%)
HSV	hsv(213, 54%, 86%)
CMYK	cmyk(53.6%, 29.1%, 0%, 13.7%)
CIE-LAB	lab(63.15, 0.33, -37.96)
CIE-LCH	lch(63.15, 37.97, 270.50°)
OKLab	oklab(68.18% -0.0316 -0.1067)
OKLCH	oklch(68.18% 0.111 253.5)
XYZ	xyz(30.2817, 31.7666, 72.2321)
Luminance	0.3177 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669CDC #DCA666

analogous

#66D7DC #669CDC #6B66DC

triadic

#669CDC #DC669C #9CDC66

tetradic

#669CDC #DC66D7 #DCA666 #66DC6B

square

#669CDC #DC66D7 #DCA666 #66DC6B

split-complementary

#669CDC #DC6B66 #D7DC66

monochromatic

#255EA2 #347CD1 #669CDC #98BCE7 #CADCF3

Accessibility & contrast

On white

2.86

#669CDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.35

#669CDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CDC

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669CDC	#FFFFFF	#000000	##000000
##669CDC	1.00	2.86	7.35	7.35
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.35	21.00	1.00	1.00
##000000	7.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#829FDF

Deuteranopia (green-blind)

#7394DB

Tritanopia (blue-blind)

#1FABB2

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #669cdc;
/* rgb */ color: rgb(102, 156, 220);
/* oklch */ color: oklch(68.2% 0.111 253.5);

Tailwind

colors: {
  custom: {
    50: '#99b9e7',
    500: '#669cdc',
    950: '#000000',
  },
}

SCSS

$custom: #669cdc;
$custom-light: #99b9e7;
$custom-dark: #000000;

JSON

{
  "hex": "#669cdc",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 220
  },
  "hsl": {
    "h": 212.542,
    "s": 62.766,
    "l": 63.137
  },
  "oklch": {
    "l": 0.68181,
    "c": 0.11127,
    "h": 253.5
  },
  "luminance": 0.31769
}

Semantic roles & 50–950 ramp

primary

#669CDC

secondary

#E4D1BA

accent

#7A1BCB

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #669CDC

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

Preview Lab → · Contrast checker → · Palette generator →