#668FBC#668FBC

#668FBC is a light, moderate cyan. Relative luminance 0.261; OKLCH L 63.8% C 0.082 H 251.4°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#668FBC
RGB	rgb(102, 143, 188)
HSL	hsl(211, 39%, 57%)
HSV	hsv(211, 46%, 74%)
CMYK	cmyk(45.7%, 23.9%, 0%, 26.3%)
CIE-LAB	lab(58.13, -1.86, -27.83)
CIE-LCH	lch(58.13, 27.90, 266.18°)
OKLab	oklab(63.79% -0.026 -0.0775)
OKLCH	oklch(63.79% 0.082 251.4)
XYZ	xyz(24.3760, 26.0989, 51.3203)
Luminance	0.2610 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FBC #BC9366

analogous

#66BABC #668FBC #6866BC

triadic

#668FBC #BC668F #8FBC66

tetradic

#668FBC #BC66BA #BC9366 #66BC68

square

#668FBC #BC66BA #BC9366 #66BC68

split-complementary

#668FBC #BC6866 #BABC66

monochromatic

#335275 #46709F #668FBC #91AECF #BBCDE1

Accessibility & contrast

On white

3.38

#668FBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#668FBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FBC

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FBC	#FFFFFF	#000000	##000000
##668FBC	1.00	3.38	6.22	6.22
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D91BE

Deuteranopia (green-blind)

#7388BB

Tritanopia (blue-blind)

#43999E

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #668fbc;
/* rgb */ color: rgb(102, 143, 188);
/* oklch */ color: oklch(63.8% 0.082 251.4);

Tailwind

colors: {
  custom: {
    50: '#96afd0',
    500: '#668fbc',
    950: '#000000',
  },
}

SCSS

$custom: #668fbc;
$custom-light: #96afd0;
$custom-dark: #000000;

JSON

{
  "hex": "#668fbc",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 188
  },
  "hsl": {
    "h": 211.395,
    "s": 39.091,
    "l": 56.863
  },
  "oklch": {
    "l": 0.63794,
    "c": 0.08181,
    "h": 251.4
  },
  "luminance": 0.26101
}

Semantic roles & 50–950 ramp

primary

#668FBC

secondary

#D0C0AD

accent

#9759CF

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1014

muted

#7E7F82

Preview Lab

Preview with #668FBC

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

Preview Lab → · Contrast checker → · Palette generator →