#669FDD#669FDD

#669FDD is a light, moderate cyan. Relative luminance 0.328; OKLCH L 68.9% C 0.110 H 251.6°. Best body text is #000000 at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#669FDD
RGB	rgb(102, 159, 221)
HSL	hsl(211, 64%, 63%)
HSV	hsv(211, 54%, 87%)
CMYK	cmyk(53.8%, 28.1%, 0%, 13.3%)
CIE-LAB	lab(64.03, -1.07, -37.14)
CIE-LCH	lch(64.03, 37.16, 268.36°)
OKLab	oklab(68.89% -0.0347 -0.1043)
OKLCH	oklch(68.89% 0.11 251.6)
XYZ	xyz(30.9242, 32.8390, 73.1015)
Luminance	0.3284 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FDD #DDA466

analogous

#66DADD #669FDD #6866DD

triadic

#669FDD #DD669F #9FDD66

tetradic

#669FDD #DD66DA #DDA466 #66DD68

square

#669FDD #DD66DA #DDA466 #66DD68

split-complementary

#669FDD #DD6866 #DADD66

monochromatic

#2462A4 #3480D2 #669FDD #98BEE8 #CADEF3

Accessibility & contrast

On white

2.77

#669FDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.57

#669FDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FDD

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FDD	#FFFFFF	#000000	##000000
##669FDD	1.00	2.77	7.57	7.57
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.57	21.00	1.00	1.00
##000000	7.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86A2E0

Deuteranopia (green-blind)

#7696DC

Tritanopia (blue-blind)

#1BADB5

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #669fdd;
/* rgb */ color: rgb(102, 159, 221);
/* oklch */ color: oklch(68.9% 0.110 251.6);

Tailwind

colors: {
  custom: {
    50: '#99bbe8',
    500: '#669fdd',
    950: '#000000',
  },
}

SCSS

$custom: #669fdd;
$custom-light: #99bbe8;
$custom-dark: #000000;

JSON

{
  "hex": "#669fdd",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 221
  },
  "hsl": {
    "h": 211.261,
    "s": 63.636,
    "l": 63.333
  },
  "oklch": {
    "l": 0.68886,
    "c": 0.10992,
    "h": 251.6
  },
  "luminance": 0.32842
}

Semantic roles & 50–950 ramp

primary

#669FDD

secondary

#E5D0BA

accent

#761ACB

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #669FDD

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

Preview Lab → · Contrast checker → · Palette generator →