#668CB0#668CB0

#668CB0 is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.6% C 0.069 H 247.6°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#668CB0
RGB	rgb(102, 140, 176)
HSL	hsl(209, 32%, 55%)
HSV	hsv(209, 42%, 69%)
CMYK	cmyk(42%, 20.5%, 0%, 31%)
CIE-LAB	lab(56.80, -3.60, -23.07)
CIE-LCH	lch(56.80, 23.35, 261.14°)
OKLab	oklab(62.59% -0.0263 -0.064)
OKLCH	oklch(62.59% 0.069 247.6)
XYZ	xyz(22.6915, 24.7142, 44.6405)
Luminance	0.2472 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CB0 #B08A66

analogous

#66B0AF #668CB0 #6667B0

triadic

#668CB0 #B0668C #8CB066

tetradic

#668CB0 #AF66B0 #B08A66 #67B066

square

#668CB0 #AF66B0 #B08A66 #67B066

split-complementary

#668CB0 #B06667 #B0AF66

monochromatic

#354E67 #4A6D8F #668CB0 #8EAAC5 #B7C9DA

Accessibility & contrast

On white

3.53

#668CB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.94

#668CB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CB0

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CB0	#FFFFFF	#000000	##000000
##668CB0	1.00	3.53	5.94	5.94
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.94	21.00	1.00	1.00
##000000	5.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8DB2

Deuteranopia (green-blind)

#7485AF

Tritanopia (blue-blind)

#4A9498

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #668cb0;
/* rgb */ color: rgb(102, 140, 176);
/* oklch */ color: oklch(62.6% 0.069 247.6);

Tailwind

colors: {
  custom: {
    50: '#95adc7',
    500: '#668cb0',
    950: '#000000',
  },
}

SCSS

$custom: #668cb0;
$custom-light: #95adc7;
$custom-dark: #000000;

JSON

{
  "hex": "#668cb0",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 176
  },
  "hsl": {
    "h": 209.189,
    "s": 31.897,
    "l": 54.51
  },
  "oklch": {
    "l": 0.62586,
    "c": 0.06915,
    "h": 247.6
  },
  "luminance": 0.24716
}

Semantic roles & 50–950 ramp

primary

#668CB0

secondary

#C9B8A9

accent

#9260C8

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0D1013

muted

#7E7F82

Preview Lab

Preview with #668CB0

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

Preview Lab → · Contrast checker → · Palette generator →