#668CA6#668CA6

#668CA6 is a light, muted cyan. Relative luminance 0.243; OKLCH L 62.2% C 0.058 H 238.8°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#668CA6
RGB	rgb(102, 140, 166)
HSL	hsl(204, 26%, 53%)
HSV	hsv(204, 39%, 65%)
CMYK	cmyk(38.6%, 15.7%, 0%, 34.9%)
CIE-LAB	lab(56.42, -6.38, -17.92)
CIE-LCH	lch(56.42, 19.03, 250.40°)
OKLab	oklab(62.16% -0.0299 -0.0494)
OKLCH	oklch(62.16% 0.058 238.8)
XYZ	xyz(21.7382, 24.3329, 39.6203)
Luminance	0.2433 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CA6 #A68066

analogous

#66A6A0 #668CA6 #666CA6

triadic

#668CA6 #A6668C #8CA666

tetradic

#668CA6 #A066A6 #A68066 #6CA666

square

#668CA6 #A066A6 #A68066 #6CA666

split-complementary

#668CA6 #A6666C #A6A066

monochromatic

#364C5C #4C6D83 #668CA6 #8DA9BD #B3C6D3

Accessibility & contrast

On white

3.58

#668CA6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#668CA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CA6

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CA6	#FFFFFF	#000000	##000000
##668CA6	1.00	3.58	5.87	5.87
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.87	21.00	1.00	1.00
##000000	5.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818BA7

Deuteranopia (green-blind)

#7884A6

Tritanopia (blue-blind)

#4F9394

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #668ca6;
/* rgb */ color: rgb(102, 140, 166);
/* oklch */ color: oklch(62.2% 0.058 238.8);

Tailwind

colors: {
  custom: {
    50: '#94adc0',
    500: '#668ca6',
    950: '#000000',
  },
}

SCSS

$custom: #668ca6;
$custom-light: #94adc0;
$custom-dark: #000000;

JSON

{
  "hex": "#668ca6",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 166
  },
  "hsl": {
    "h": 204.375,
    "s": 26.446,
    "l": 52.549
  },
  "oklch": {
    "l": 0.62164,
    "c": 0.05776,
    "h": 238.8
  },
  "luminance": 0.24334
}

Semantic roles & 50–950 ramp

primary

#668CA6

secondary

#C2B1A6

accent

#8B65C3

background

#F9FAFB

surface

#F2F4F7

border

#CCCED0

text

#0D1012

muted

#7E7F81

Preview Lab

Preview with #668CA6

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

Preview Lab → · Contrast checker → · Palette generator →