#669CDE#669CDE

#669CDE is a light, moderate cyan. Relative luminance 0.319; OKLCH L 68.3% C 0.114 H 254.2°. Best body text is #000000 at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#669CDE
RGB	rgb(102, 156, 222)
HSL	hsl(213, 65%, 64%)
HSV	hsv(213, 54%, 87%)
CMYK	cmyk(54.1%, 29.7%, 0%, 12.9%)
CIE-LAB	lab(63.24, 0.95, -38.93)
CIE-LCH	lch(63.24, 38.95, 271.40°)
OKLab	oklab(68.28% -0.0311 -0.1095)
OKLCH	oklch(68.28% 0.114 254.2)
XYZ	xyz(30.5482, 31.8732, 73.6354)
Luminance	0.3188 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669CDE #DEA866

analogous

#66D8DE #669CDE #6C66DE

triadic

#669CDE #DE669C #9CDE66

tetradic

#669CDE #DE66D8 #DEA866 #66DE6C

square

#669CDE #DE66D8 #DEA866 #66DE6C

split-complementary

#669CDE #DE6C66 #D8DE66

monochromatic

#245EA6 #347BD3 #669CDE #98BDE9 #CBDDF4

Accessibility & contrast

On white

2.85

#669CDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.38

#669CDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CDE

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669CDE	#FFFFFF	#000000	##000000
##669CDE	1.00	2.85	7.38	7.38
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.38	21.00	1.00	1.00
##000000	7.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#819FE1

Deuteranopia (green-blind)

#7294DD

Tritanopia (blue-blind)

#1BABB3

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #669cde;
/* rgb */ color: rgb(102, 156, 222);
/* oklch */ color: oklch(68.3% 0.114 254.2);

Tailwind

colors: {
  custom: {
    50: '#99b9e8',
    500: '#669cde',
    950: '#000000',
  },
}

SCSS

$custom: #669cde;
$custom-light: #99b9e8;
$custom-dark: #000000;

JSON

{
  "hex": "#669cde",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 222
  },
  "hsl": {
    "h": 213,
    "s": 64.516,
    "l": 63.529
  },
  "oklch": {
    "l": 0.68279,
    "c": 0.11381,
    "h": 254.2
  },
  "luminance": 0.31876
}

Semantic roles & 50–950 ramp

primary

#669CDE

secondary

#E5D2BB

accent

#7C19CC

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #669CDE

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

Preview Lab → · Contrast checker → · Palette generator →