#668FB0#668FB0

#668FB0 is a light, moderate cyan. Relative luminance 0.256; OKLCH L 63.3% C 0.067 H 243.4°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#668FB0
RGB	rgb(102, 143, 176)
HSL	hsl(207, 32%, 55%)
HSV	hsv(207, 42%, 69%)
CMYK	cmyk(42%, 18.7%, 0%, 31%)
CIE-LAB	lab(57.66, -5.30, -21.74)
CIE-LCH	lch(57.66, 22.38, 256.30°)
OKLab	oklab(63.27% -0.0302 -0.0602)
OKLCH	oklch(63.27% 0.067 243.4)
XYZ	xyz(23.1358, 25.6029, 44.7886)
Luminance	0.2560 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FB0 #B08766

analogous

#66B0AC #668FB0 #666AB0

triadic

#668FB0 #B0668F #8FB066

tetradic

#668FB0 #AC66B0 #B08766 #6AB066

square

#668FB0 #AC66B0 #B08766 #6AB066

split-complementary

#668FB0 #B0666A #B0AC66

monochromatic

#355067 #4A708F #668FB0 #8EADC5 #B7CADA

Accessibility & contrast

On white

3.43

#668FB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#668FB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FB0

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FB0	#FFFFFF	#000000	##000000
##668FB0	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818FB2

Deuteranopia (green-blind)

#7887AF

Tritanopia (blue-blind)

#4A979A

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #668fb0;
/* rgb */ color: rgb(102, 143, 176);
/* oklch */ color: oklch(63.3% 0.067 243.4);

Tailwind

colors: {
  custom: {
    50: '#95afc7',
    500: '#668fb0',
    950: '#000000',
  },
}

SCSS

$custom: #668fb0;
$custom-light: #95afc7;
$custom-dark: #000000;

JSON

{
  "hex": "#668fb0",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 176
  },
  "hsl": {
    "h": 206.757,
    "s": 31.897,
    "l": 54.51
  },
  "oklch": {
    "l": 0.63265,
    "c": 0.06734,
    "h": 243.4
  },
  "luminance": 0.25604
}

Semantic roles & 50–950 ramp

primary

#668FB0

secondary

#C9B7A9

accent

#8E60C8

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0D1013

muted

#7E7F82

Preview Lab

Preview with #668FB0

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

Preview Lab → · Contrast checker → · Palette generator →