#669DC5#669DC5

#669DC5 is a light, moderate cyan. Relative luminance 0.310; OKLCH L 67.3% C 0.083 H 241.1°. Best body text is #000000 at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#669DC5
RGB	rgb(102, 157, 197)
HSL	hsl(205, 45%, 59%)
HSV	hsv(205, 48%, 77%)
CMYK	cmyk(48.2%, 20.3%, 0%, 22.7%)
CIE-LAB	lab(62.48, -7.13, -26.19)
CIE-LCH	lch(62.48, 27.15, 254.77°)
OKLab	oklab(67.34% -0.0401 -0.0728)
OKLCH	oklch(67.34% 0.083 241.1)
XYZ	xyz(27.6110, 30.9679, 57.3349)
Luminance	0.3097 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669DC5 #C58E66

analogous

#66C5BD #669DC5 #666DC5

triadic

#669DC5 #C5669D #9DC566

tetradic

#669DC5 #BD66C5 #C58E66 #6DC566

square

#669DC5 #BD66C5 #C58E66 #6DC566

split-complementary

#669DC5 #C5666D #C5BD66

monochromatic

#315F80 #417FAC #669DC5 #92B9D6 #BFD6E7

Accessibility & contrast

On white

2.92

#669DC5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.19

#669DC5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DC5

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669DC5	#FFFFFF	#000000	##000000
##669DC5	1.00	2.92	7.19	7.19
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.19	21.00	1.00	1.00
##000000	7.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C9DC7

Deuteranopia (green-blind)

#7F93C4

Tritanopia (blue-blind)

#39A7AA

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #669dc5;
/* rgb */ color: rgb(102, 157, 197);
/* oklch */ color: oklch(67.3% 0.083 241.1);

Tailwind

colors: {
  custom: {
    50: '#97b9d6',
    500: '#669dc5',
    950: '#000000',
  },
}

SCSS

$custom: #669dc5;
$custom-light: #97b9d6;
$custom-dark: #000000;

JSON

{
  "hex": "#669dc5",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 197
  },
  "hsl": {
    "h": 205.263,
    "s": 45.024,
    "l": 58.627
  },
  "oklch": {
    "l": 0.67341,
    "c": 0.08318,
    "h": 241.1
  },
  "luminance": 0.3097
}

Semantic roles & 50–950 ramp

primary

#669DC5

secondary

#D6C0B1

accent

#8A53D5

background

#F9FBFD

surface

#F2F6FA

border

#CCD0D3

text

#0E1114

muted

#7E8083

Preview Lab

Preview with #669DC5

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

Preview Lab → · Contrast checker → · Palette generator →