#668BB0#668BB0

#668BB0 is a light, moderate cyan. Relative luminance 0.244; OKLCH L 62.4% C 0.070 H 249.0°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#668BB0
RGB	rgb(102, 139, 176)
HSL	hsl(210, 32%, 55%)
HSV	hsv(210, 42%, 69%)
CMYK	cmyk(42%, 21%, 0%, 31%)
CIE-LAB	lab(56.51, -3.03, -23.51)
CIE-LCH	lch(56.51, 23.70, 262.67°)
OKLab	oklab(62.36% -0.025 -0.0652)
OKLCH	oklch(62.36% 0.07 249)
XYZ	xyz(22.5460, 24.4233, 44.5920)
Luminance	0.2442 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BB0 #B08B66

analogous

#66B0B0 #668BB0 #6666B0

triadic

#668BB0 #B0668B #8BB066

tetradic

#668BB0 #B066B0 #B08B66 #66B066

square

#668BB0 #B066B0 #B08B66 #66B066

split-complementary

#668BB0 #B06666 #B0B066

monochromatic

#354E67 #4A6C8F #668BB0 #8EAAC5 #B7C8DA

Accessibility & contrast

On white

3.57

#668BB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#668BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BB0

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BB0	#FFFFFF	#000000	##000000
##668BB0	1.00	3.57	5.89	5.89
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8CB2

Deuteranopia (green-blind)

#7384AF

Tritanopia (blue-blind)

#4A9497

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #668bb0;
/* rgb */ color: rgb(102, 139, 176);
/* oklch */ color: oklch(62.4% 0.070 249.0);

Tailwind

colors: {
  custom: {
    50: '#95acc7',
    500: '#668bb0',
    950: '#000000',
  },
}

SCSS

$custom: #668bb0;
$custom-light: #95acc7;
$custom-dark: #000000;

JSON

{
  "hex": "#668bb0",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 176
  },
  "hsl": {
    "h": 210,
    "s": 31.897,
    "l": 54.51
  },
  "oklch": {
    "l": 0.6236,
    "c": 0.06984,
    "h": 249
  },
  "luminance": 0.24425
}

Semantic roles & 50–950 ramp

primary

#668BB0

secondary

#C9B9A9

accent

#9460C8

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0D1013

muted

#7E7F82

Preview Lab

Preview with #668BB0

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

Preview Lab → · Contrast checker → · Palette generator →