#669EBB#669EBB

#669EBB is a light, moderate cyan. Relative luminance 0.309; OKLCH L 67.1% C 0.073 H 231.9°. Best body text is #000000 at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#669EBB
RGB	rgb(102, 158, 187)
HSL	hsl(200, 38%, 57%)
HSV	hsv(200, 45%, 73%)
CMYK	cmyk(45.5%, 15.5%, 0%, 26.7%)
CIE-LAB	lab(62.39, -10.55, -20.72)
CIE-LCH	lch(62.39, 23.25, 243.02°)
OKLab	oklab(67.15% -0.045 -0.0573)
OKLCH	oklch(67.15% 0.073 231.9)
XYZ	xyz(26.6728, 30.8644, 51.5560)
Luminance	0.3087 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EBB #BB8366

analogous

#66BBAE #669EBB #6674BB

triadic

#669EBB #BB669E #9EBB66

tetradic

#669EBB #AE66BB #BB8366 #74BB66

square

#669EBB #AE66BB #BB8366 #74BB66

split-complementary

#669EBB #BB6674 #BBAE66

monochromatic

#335D73 #46809E #669EBB #90B9CE #BBD4E1

Accessibility & contrast

On white

2.93

#669EBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.17

#669EBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EBB

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EBB	#FFFFFF	#000000	##000000
##669EBB	1.00	2.93	7.17	7.17
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.17	21.00	1.00	1.00
##000000	7.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#909CBC

Deuteranopia (green-blind)

#8493BB

Tritanopia (blue-blind)

#40A6A7

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #669ebb;
/* rgb */ color: rgb(102, 158, 187);
/* oklch */ color: oklch(67.1% 0.073 231.9);

Tailwind

colors: {
  custom: {
    50: '#96bacf',
    500: '#669ebb',
    950: '#000000',
  },
}

SCSS

$custom: #669ebb;
$custom-light: #96bacf;
$custom-dark: #000000;

JSON

{
  "hex": "#669ebb",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 187
  },
  "hsl": {
    "h": 200.471,
    "s": 38.462,
    "l": 56.667
  },
  "oklch": {
    "l": 0.67147,
    "c": 0.07286,
    "h": 231.9
  },
  "luminance": 0.30866
}

Semantic roles & 50–950 ramp

primary

#669EBB

secondary

#D0B9AD

accent

#8159CE

background

#F9FBFC

surface

#F2F6F9

border

#CCD0D2

text

#0E1113

muted

#7E8082

Preview Lab

Preview with #669EBB

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

Preview Lab → · Contrast checker → · Palette generator →