#669CDB#669CDB

#669CDB is a light, moderate cyan. Relative luminance 0.317; OKLCH L 68.1% C 0.110 H 253.1°. Best body text is #000000 at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#669CDB
RGB	rgb(102, 156, 219)
HSL	hsl(212, 62%, 63%)
HSV	hsv(212, 53%, 86%)
CMYK	cmyk(53.4%, 28.8%, 0%, 14.1%)
CIE-LAB	lab(63.11, 0.03, -37.48)
CIE-LCH	lch(63.11, 37.48, 270.04°)
OKLab	oklab(68.13% -0.0319 -0.1053)
OKLCH	oklch(68.13% 0.11 253.1)
XYZ	xyz(30.1497, 31.7138, 71.5367)
Luminance	0.3172 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669CDB #DBA566

analogous

#66D6DB #669CDB #6A66DB

triadic

#669CDB #DB669C #9CDB66

tetradic

#669CDB #DB66D6 #DBA566 #66DB6A

square

#669CDB #DB66D6 #DBA566 #66DB6A

split-complementary

#669CDB #DB6A66 #D6DB66

monochromatic

#265FA1 #347CCF #669CDB #98BCE7 #C9DCF2

Accessibility & contrast

On white

2.86

#669CDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.34

#669CDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CDB

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669CDB	#FFFFFF	#000000	##000000
##669CDB	1.00	2.86	7.34	7.34
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.34	21.00	1.00	1.00
##000000	7.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#829FDE

Deuteranopia (green-blind)

#7494DA

Tritanopia (blue-blind)

#20AAB2

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #669cdb;
/* rgb */ color: rgb(102, 156, 219);
/* oklch */ color: oklch(68.1% 0.110 253.1);

Tailwind

colors: {
  custom: {
    50: '#99b9e6',
    500: '#669cdb',
    950: '#000000',
  },
}

SCSS

$custom: #669cdb;
$custom-light: #99b9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#669cdb",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 219
  },
  "hsl": {
    "h": 212.308,
    "s": 61.905,
    "l": 62.941
  },
  "oklch": {
    "l": 0.68132,
    "c": 0.11002,
    "h": 253.1
  },
  "luminance": 0.31716
}

Semantic roles & 50–950 ramp

primary

#669CDB

secondary

#E3D0B9

accent

#791CCA

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #669CDB

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

Preview Lab → · Contrast checker → · Palette generator →