#669FDE#669FDE

#669FDE is a light, moderate cyan. Relative luminance 0.329; OKLCH L 68.9% C 0.111 H 252.0°. Best body text is #000000 at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#669FDE
RGB	rgb(102, 159, 222)
HSL	hsl(212, 65%, 64%)
HSV	hsv(212, 54%, 87%)
CMYK	cmyk(54.1%, 28.4%, 0%, 12.9%)
CIE-LAB	lab(64.07, -0.76, -37.63)
CIE-LCH	lch(64.07, 37.64, 268.85°)
OKLab	oklab(68.94% -0.0344 -0.1057)
OKLCH	oklch(68.94% 0.111 252)
XYZ	xyz(31.0578, 32.8925, 73.8053)
Luminance	0.3290 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FDE #DEA566

analogous

#66DBDE #669FDE #6966DE

triadic

#669FDE #DE669F #9FDE66

tetradic

#669FDE #DE66DB #DEA566 #66DE69

square

#669FDE #DE66DB #DEA566 #66DE69

split-complementary

#669FDE #DE6966 #DBDE66

monochromatic

#2462A6 #347FD3 #669FDE #98BFE9 #CBDEF4

Accessibility & contrast

On white

2.77

#669FDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.58

#669FDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FDE

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FDE	#FFFFFF	#000000	##000000
##669FDE	1.00	2.77	7.58	7.58
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.58	21.00	1.00	1.00
##000000	7.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85A2E1

Deuteranopia (green-blind)

#7696DD

Tritanopia (blue-blind)

#19ADB5

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #669fde;
/* rgb */ color: rgb(102, 159, 222);
/* oklch */ color: oklch(68.9% 0.111 252.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#669fde",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 222
  },
  "hsl": {
    "h": 211.5,
    "s": 64.516,
    "l": 63.529
  },
  "oklch": {
    "l": 0.68935,
    "c": 0.11116,
    "h": 252
  },
  "luminance": 0.32895
}

Semantic roles & 50–950 ramp

primary

#669FDE

secondary

#E5D1BB

accent

#7719CC

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #669FDE

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

Preview Lab → · Contrast checker → · Palette generator →