#669DDA#669DDA

#669DDA is a light, moderate cyan. Relative luminance 0.320; OKLCH L 68.3% C 0.108 H 252.0°. Best body text is #000000 at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#669DDA
RGB	rgb(102, 157, 218)
HSL	hsl(212, 61%, 63%)
HSV	hsv(212, 53%, 85%)
CMYK	cmyk(53.2%, 28%, 0%, 14.5%)
CIE-LAB	lab(63.34, -0.85, -36.56)
CIE-LCH	lch(63.34, 36.57, 268.67°)
OKLab	oklab(68.3% -0.0334 -0.1026)
OKLCH	oklch(68.3% 0.108 252)
XYZ	xyz(30.1869, 31.9983, 70.9016)
Luminance	0.3200 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669DDA #DAA366

analogous

#66D7DA #669DDA #6966DA

triadic

#669DDA #DA669D #9DDA66

tetradic

#669DDA #DA66D7 #DAA366 #66DA69

square

#669DDA #DA66D7 #DAA366 #66DA69

split-complementary

#669DDA #DA6966 #D7DA66

monochromatic

#26609F #357DCE #669DDA #97BDE6 #C9DCF2

Accessibility & contrast

On white

2.84

#669DDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.40

#669DDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DDA

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669DDA	#FFFFFF	#000000	##000000
##669DDA	1.00	2.84	7.40	7.40
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.40	21.00	1.00	1.00
##000000	7.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84A0DD

Deuteranopia (green-blind)

#7594D9

Tritanopia (blue-blind)

#22ABB2

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #669dda;
/* rgb */ color: rgb(102, 157, 218);
/* oklch */ color: oklch(68.3% 0.108 252.0);

Tailwind

colors: {
  custom: {
    50: '#99b9e5',
    500: '#669dda',
    950: '#000000',
  },
}

SCSS

$custom: #669dda;
$custom-light: #99b9e5;
$custom-dark: #000000;

JSON

{
  "hex": "#669dda",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 218
  },
  "hsl": {
    "h": 211.552,
    "s": 61.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.68303,
    "c": 0.10789,
    "h": 252
  },
  "luminance": 0.32001
}

Semantic roles & 50–950 ramp

primary

#669DDA

secondary

#E3CFB9

accent

#771DC9

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #669DDA

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

Preview Lab → · Contrast checker → · Palette generator →