#669EAF#669EAF

#669EAF is a light, moderate cyan. Relative luminance 0.304; OKLCH L 66.7% C 0.064 H 219.0°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#669EAF
RGB	rgb(102, 158, 175)
HSL	hsl(194, 31%, 54%)
HSV	hsv(194, 42%, 69%)
CMYK	cmyk(41.7%, 9.7%, 0%, 31.4%)
CIE-LAB	lab(61.97, -13.86, -14.62)
CIE-LCH	lch(61.97, 20.14, 226.52°)
OKLab	oklab(66.68% -0.0496 -0.0402)
OKLCH	oklch(66.68% 0.064 219)
XYZ	xyz(25.4415, 30.3719, 45.0709)
Luminance	0.3037 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EAF #AF7766

analogous

#66AF9C #669EAF #667AAF

triadic

#669EAF #AF669E #9EAF66

tetradic

#669EAF #9C66AF #AF7766 #7AAF66

square

#669EAF #9C66AF #AF7766 #7AAF66

split-complementary

#669EAF #AF667A #AF9C66

monochromatic

#355A66 #4A7E8E #669EAF #8EB7C4 #B6D1D9

Accessibility & contrast

On white

2.97

#669EAF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.07

#669EAF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EAF

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EAF	#FFFFFF	#000000	##000000
##669EAF	1.00	2.97	7.07	7.07
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.07	21.00	1.00	1.00
##000000	7.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#939BB0

Deuteranopia (green-blind)

#8892AF

Tritanopia (blue-blind)

#48A4A3

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #669eaf;
/* rgb */ color: rgb(102, 158, 175);
/* oklch */ color: oklch(66.7% 0.064 219.0);

Tailwind

colors: {
  custom: {
    50: '#95bac6',
    500: '#669eaf',
    950: '#000000',
  },
}

SCSS

$custom: #669eaf;
$custom-light: #95bac6;
$custom-dark: #000000;

JSON

{
  "hex": "#669eaf",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 175
  },
  "hsl": {
    "h": 193.973,
    "s": 31.33,
    "l": 54.314
  },
  "oklch": {
    "l": 0.66675,
    "c": 0.06384,
    "h": 219
  },
  "luminance": 0.30374
}

Semantic roles & 50–950 ramp

primary

#669EAF

secondary

#C8B0A9

accent

#7860C8

background

#F9FBFC

surface

#F2F6F8

border

#CCD0D1

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #669EAF

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

Preview Lab → · Contrast checker → · Palette generator →