#669DDF#669DDF

#669DDF is a light, moderate cyan. Relative luminance 0.323; OKLCH L 68.5% C 0.114 H 253.8°. Best body text is #000000 at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#669DDF
RGB	rgb(102, 157, 223)
HSL	hsl(213, 65%, 64%)
HSV	hsv(213, 54%, 87%)
CMYK	cmyk(54.3%, 29.6%, 0%, 12.5%)
CIE-LAB	lab(63.56, 0.69, -38.98)
CIE-LCH	lch(63.56, 38.99, 271.01°)
OKLab	oklab(68.55% -0.0319 -0.1096)
OKLCH	oklch(68.55% 0.114 253.8)
XYZ	xyz(30.8511, 32.2639, 74.3995)
Luminance	0.3227 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669DDF #DFA866

analogous

#66D9DF #669DDF #6B66DF

triadic

#669DDF #DF669D #9DDF66

tetradic

#669DDF #DF66D9 #DFA866 #66DF6B

square

#669DDF #DF66D9 #DFA866 #66DF6B

split-complementary

#669DDF #DF6B66 #D9DF66

monochromatic

#235FA8 #337DD4 #669DDF #99BDEA #CBDEF4

Accessibility & contrast

On white

2.82

#669DDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.45

#669DDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DDF

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669DDF	#FFFFFF	#000000	##000000
##669DDF	1.00	2.82	7.45	7.45
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.45	21.00	1.00	1.00
##000000	7.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82A0E2

Deuteranopia (green-blind)

#7395DE

Tritanopia (blue-blind)

#18ACB4

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #669ddf;
/* rgb */ color: rgb(102, 157, 223);
/* oklch */ color: oklch(68.5% 0.114 253.8);

Tailwind

colors: {
  custom: {
    50: '#99b9e9',
    500: '#669ddf',
    950: '#000000',
  },
}

SCSS

$custom: #669ddf;
$custom-light: #99b9e9;
$custom-dark: #000000;

JSON

{
  "hex": "#669ddf",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 223
  },
  "hsl": {
    "h": 212.727,
    "s": 65.405,
    "l": 63.725
  },
  "oklch": {
    "l": 0.68547,
    "c": 0.11418,
    "h": 253.8
  },
  "luminance": 0.32266
}

Semantic roles & 50–950 ramp

primary

#669DDF

secondary

#E6D2BB

accent

#7B18CD

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1116

muted

#7E8084

Preview Lab

Preview with #669DDF

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

Preview Lab → · Contrast checker → · Palette generator →