#669EDD#669EDD

#669EDD is a light, moderate cyan. Relative luminance 0.325; OKLCH L 68.7% C 0.111 H 252.3°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#669EDD
RGB	rgb(102, 158, 221)
HSL	hsl(212, 64%, 63%)
HSV	hsv(212, 54%, 87%)
CMYK	cmyk(53.8%, 28.5%, 0%, 13.3%)
CIE-LAB	lab(63.75, -0.50, -37.58)
CIE-LCH	lch(63.75, 37.58, 269.24°)
OKLab	oklab(68.67% -0.0336 -0.1056)
OKLCH	oklch(68.67% 0.111 252.3)
XYZ	xyz(30.7529, 32.4965, 73.0445)
Luminance	0.3250 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EDD #DDA566

analogous

#66D9DD #669EDD #6966DD

triadic

#669EDD #DD669E #9EDD66

tetradic

#669EDD #DD66D9 #DDA566 #66DD69

square

#669EDD #DD66D9 #DDA566 #66DD69

split-complementary

#669EDD #DD6966 #D9DD66

monochromatic

#2461A4 #347ED2 #669EDD #98BEE8 #CADDF3

Accessibility & contrast

On white

2.80

#669EDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#669EDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EDD

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EDD	#FFFFFF	#000000	##000000
##669EDD	1.00	2.80	7.50	7.50
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.50	21.00	1.00	1.00
##000000	7.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84A1E0

Deuteranopia (green-blind)

#7595DC

Tritanopia (blue-blind)

#1CACB4

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #669edd;
/* rgb */ color: rgb(102, 158, 221);
/* oklch */ color: oklch(68.7% 0.111 252.3);

Tailwind

colors: {
  custom: {
    50: '#99bae8',
    500: '#669edd',
    950: '#000000',
  },
}

SCSS

$custom: #669edd;
$custom-light: #99bae8;
$custom-dark: #000000;

JSON

{
  "hex": "#669edd",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 221
  },
  "hsl": {
    "h": 211.765,
    "s": 63.636,
    "l": 63.333
  },
  "oklch": {
    "l": 0.68667,
    "c": 0.11078,
    "h": 252.3
  },
  "luminance": 0.32499
}

Semantic roles & 50–950 ramp

primary

#669EDD

secondary

#E5D1BA

accent

#781ACB

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #669EDD

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

Preview Lab → · Contrast checker → · Palette generator →