#669BB5#669BB5

#669BB5 is a light, moderate cyan. Relative luminance 0.296; OKLCH L 66.2% C 0.068 H 230.3°. Best body text is #000000 at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#669BB5
RGB	rgb(102, 155, 181)
HSL	hsl(200, 35%, 55%)
HSV	hsv(200, 44%, 71%)
CMYK	cmyk(43.6%, 14.4%, 0%, 29%)
CIE-LAB	lab(61.31, -10.59, -19.00)
CIE-LCH	lch(61.31, 21.75, 240.88°)
OKLab	oklab(66.22% -0.0435 -0.0525)
OKLCH	oklch(66.22% 0.068 230.3)
XYZ	xyz(25.5384, 29.6019, 48.0751)
Luminance	0.2960 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BB5 #B58066

analogous

#66B5A8 #669BB5 #6673B5

triadic

#669BB5 #B5669B #9BB566

tetradic

#669BB5 #A866B5 #B58066 #73B566

square

#669BB5 #A866B5 #B58066 #73B566

split-complementary

#669BB5 #B56673 #B5A866

monochromatic

#345A6C #487C95 #669BB5 #8FB6C9 #B8D1DD

Accessibility & contrast

On white

3.03

#669BB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.92

#669BB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669BB5

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BB5	#FFFFFF	#000000	##000000
##669BB5	1.00	3.03	6.92	6.92
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.92	21.00	1.00	1.00
##000000	6.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E99B6

Deuteranopia (green-blind)

#8390B5

Tritanopia (blue-blind)

#45A2A3

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #669bb5;
/* rgb */ color: rgb(102, 155, 181);
/* oklch */ color: oklch(66.2% 0.068 230.3);

Tailwind

colors: {
  custom: {
    50: '#95b8cb',
    500: '#669bb5',
    950: '#000000',
  },
}

SCSS

$custom: #669bb5;
$custom-light: #95b8cb;
$custom-dark: #000000;

JSON

{
  "hex": "#669bb5",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 181
  },
  "hsl": {
    "h": 199.747,
    "s": 34.802,
    "l": 55.49
  },
  "oklch": {
    "l": 0.66216,
    "c": 0.06817,
    "h": 230.3
  },
  "luminance": 0.29604
}

Semantic roles & 50–950 ramp

primary

#669BB5

secondary

#CCB6AB

accent

#815DCB

background

#F9FBFC

surface

#F2F6F8

border

#CCD0D1

text

#0E1113

muted

#7E8082

Preview Lab

Preview with #669BB5

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

Preview Lab → · Contrast checker → · Palette generator →