#669DD5#669DD5

#669DD5 is a light, moderate cyan. Relative luminance 0.317; OKLCH L 68.1% C 0.102 H 249.9°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#669DD5
RGB	rgb(102, 157, 213)
HSL	hsl(210, 57%, 62%)
HSV	hsv(210, 52%, 84%)
CMYK	cmyk(52.1%, 26.3%, 0%, 16.5%)
CIE-LAB	lab(63.13, -2.38, -34.11)
CIE-LCH	lch(63.13, 34.20, 266.02°)
OKLab	oklab(68.07% -0.0349 -0.0955)
OKLCH	oklch(68.07% 0.102 249.9)
XYZ	xyz(29.5425, 31.7405, 67.5076)
Luminance	0.3174 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669DD5 #D59E66

analogous

#66D5D5 #669DD5 #6766D5

triadic

#669DD5 #D5669D #9DD566

tetradic

#669DD5 #D566D5 #D59E66 #66D567

square

#669DD5 #D566D5 #D59E66 #66D567

split-complementary

#669DD5 #D56766 #D5D566

monochromatic

#296097 #377EC7 #669DD5 #96BCE2 #C6DBEF

Accessibility & contrast

On white

2.86

#669DD5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.35

#669DD5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DD5

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669DD5	#FFFFFF	#000000	##000000
##669DD5	1.00	2.86	7.35	7.35
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.35	21.00	1.00	1.00
##000000	7.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869FD8

Deuteranopia (green-blind)

#7894D4

Tritanopia (blue-blind)

#29AAB0

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #669dd5;
/* rgb */ color: rgb(102, 157, 213);
/* oklch */ color: oklch(68.1% 0.102 249.9);

Tailwind

colors: {
  custom: {
    50: '#98b9e2',
    500: '#669dd5',
    950: '#000000',
  },
}

SCSS

$custom: #669dd5;
$custom-light: #98b9e2;
$custom-dark: #000000;

JSON

{
  "hex": "#669dd5",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 213
  },
  "hsl": {
    "h": 210.27,
    "s": 56.923,
    "l": 61.765
  },
  "oklch": {
    "l": 0.68065,
    "c": 0.10172,
    "h": 249.9
  },
  "luminance": 0.31743
}

Semantic roles & 50–950 ramp

primary

#669DD5

secondary

#E0CCB7

accent

#7321C4

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0E1115

muted

#7E8083

Preview Lab

Preview with #669DD5

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

Preview Lab → · Contrast checker → · Palette generator →