#669BB6#669BB6

#669BB6 is a light, moderate cyan. Relative luminance 0.296; OKLCH L 66.3% C 0.069 H 231.3°. Best body text is #000000 at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#669BB6
RGB	rgb(102, 155, 182)
HSL	hsl(200, 35%, 56%)
HSV	hsv(200, 44%, 71%)
CMYK	cmyk(44%, 14.8%, 0%, 28.6%)
CIE-LAB	lab(61.35, -10.31, -19.51)
CIE-LCH	lch(61.35, 22.07, 242.15°)
OKLab	oklab(66.26% -0.0431 -0.0539)
OKLCH	oklch(66.26% 0.069 231.3)
XYZ	xyz(25.6414, 29.6431, 48.6174)
Luminance	0.2964 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BB6 #B68166

analogous

#66B6A9 #669BB6 #6673B6

triadic

#669BB6 #B6669B #9BB666

tetradic

#669BB6 #A966B6 #B68166 #73B666

square

#669BB6 #A966B6 #B68166 #73B666

split-complementary

#669BB6 #B66673 #B6A966

monochromatic

#345A6D #487C97 #669BB6 #8FB6CA #B9D1DE

Accessibility & contrast

On white

3.03

#669BB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.93

#669BB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669BB6

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BB6	#FFFFFF	#000000	##000000
##669BB6	1.00	3.03	6.93	6.93
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.93	21.00	1.00	1.00
##000000	6.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E99B7

Deuteranopia (green-blind)

#8290B6

Tritanopia (blue-blind)

#44A2A4

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #669bb6;
/* rgb */ color: rgb(102, 155, 182);
/* oklch */ color: oklch(66.3% 0.069 231.3);

Tailwind

colors: {
  custom: {
    50: '#95b8cc',
    500: '#669bb6',
    950: '#000000',
  },
}

SCSS

$custom: #669bb6;
$custom-light: #95b8cc;
$custom-dark: #000000;

JSON

{
  "hex": "#669bb6",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 182
  },
  "hsl": {
    "h": 200.25,
    "s": 35.398,
    "l": 55.686
  },
  "oklch": {
    "l": 0.66256,
    "c": 0.06904,
    "h": 231.3
  },
  "luminance": 0.29645
}

Semantic roles & 50–950 ramp

primary

#669BB6

secondary

#CDB6AB

accent

#825CCB

background

#F9FBFC

surface

#F2F6F8

border

#CCD0D1

text

#0E1113

muted

#7E8082

Preview Lab

Preview with #669BB6

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

Preview Lab → · Contrast checker → · Palette generator →