#669DDE#669DDE

#669DDE is a light, moderate cyan. Relative luminance 0.322; OKLCH L 68.5% C 0.113 H 253.4°. Best body text is #000000 at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#669DDE
RGB	rgb(102, 157, 222)
HSL	hsl(213, 65%, 64%)
HSV	hsv(213, 54%, 87%)
CMYK	cmyk(54.1%, 29.3%, 0%, 12.9%)
CIE-LAB	lab(63.52, 0.38, -38.50)
CIE-LCH	lch(63.52, 38.50, 270.57°)
OKLab	oklab(68.5% -0.0322 -0.1082)
OKLCH	oklch(68.5% 0.113 253.4)
XYZ	xyz(30.7167, 32.2102, 73.6916)
Luminance	0.3221 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669DDE #DEA766

analogous

#66D9DE #669DDE #6B66DE

triadic

#669DDE #DE669D #9DDE66

tetradic

#669DDE #DE66D9 #DEA766 #66DE6B

square

#669DDE #DE66D9 #DEA766 #66DE6B

split-complementary

#669DDE #DE6B66 #D9DE66

monochromatic

#245FA6 #347DD3 #669DDE #98BDE9 #CBDDF4

Accessibility & contrast

On white

2.82

#669DDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.44

#669DDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DDE

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669DDE	#FFFFFF	#000000	##000000
##669DDE	1.00	2.82	7.44	7.44
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.44	21.00	1.00	1.00
##000000	7.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83A0E1

Deuteranopia (green-blind)

#7395DD

Tritanopia (blue-blind)

#1AACB4

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #669dde;
/* rgb */ color: rgb(102, 157, 222);
/* oklch */ color: oklch(68.5% 0.113 253.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#669dde",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 222
  },
  "hsl": {
    "h": 212.5,
    "s": 64.516,
    "l": 63.529
  },
  "oklch": {
    "l": 0.68497,
    "c": 0.11291,
    "h": 253.4
  },
  "luminance": 0.32213
}

Semantic roles & 50–950 ramp

primary

#669DDE

secondary

#E5D2BB

accent

#7A19CC

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #669DDE

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

Preview Lab → · Contrast checker → · Palette generator →