#669EDB#669EDB

#669EDB is a light, moderate cyan. Relative luminance 0.324; OKLCH L 68.6% C 0.108 H 251.6°. Best body text is #000000 at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#669EDB
RGB	rgb(102, 158, 219)
HSL	hsl(211, 62%, 63%)
HSV	hsv(211, 53%, 86%)
CMYK	cmyk(53.4%, 27.9%, 0%, 14.1%)
CIE-LAB	lab(63.66, -1.11, -36.61)
CIE-LCH	lch(63.66, 36.62, 268.26°)
OKLab	oklab(68.57% -0.0342 -0.1027)
OKLCH	oklch(68.57% 0.108 251.6)
XYZ	xyz(30.4880, 32.3905, 71.6495)
Luminance	0.3239 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EDB #DBA366

analogous

#66D9DB #669EDB #6866DB

triadic

#669EDB #DB669E #9EDB66

tetradic

#669EDB #DB66D9 #DBA366 #66DB68

square

#669EDB #DB66D9 #DBA366 #66DB68

split-complementary

#669EDB #DB6866 #D9DB66

monochromatic

#2661A1 #347FCF #669EDB #98BDE7 #C9DDF2

Accessibility & contrast

On white

2.81

#669EDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.48

#669EDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EDB

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EDB	#FFFFFF	#000000	##000000
##669EDB	1.00	2.81	7.48	7.48
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.48	21.00	1.00	1.00
##000000	7.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85A1DE

Deuteranopia (green-blind)

#7695DA

Tritanopia (blue-blind)

#1FACB3

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #669edb;
/* rgb */ color: rgb(102, 158, 219);
/* oklch */ color: oklch(68.6% 0.108 251.6);

Tailwind

colors: {
  custom: {
    50: '#99bae6',
    500: '#669edb',
    950: '#000000',
  },
}

SCSS

$custom: #669edb;
$custom-light: #99bae6;
$custom-dark: #000000;

JSON

{
  "hex": "#669edb",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 219
  },
  "hsl": {
    "h": 211.282,
    "s": 61.905,
    "l": 62.941
  },
  "oklch": {
    "l": 0.6857,
    "c": 0.10829,
    "h": 251.6
  },
  "luminance": 0.32393
}

Semantic roles & 50–950 ramp

primary

#669EDB

secondary

#E3CFB9

accent

#761CCA

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #669EDB

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

Preview Lab → · Contrast checker → · Palette generator →