#668BB4#668BB4

#668BB4 is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.5% C 0.075 H 251.6°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#668BB4
RGB	rgb(102, 139, 180)
HSL	hsl(212, 34%, 55%)
HSV	hsv(212, 43%, 71%)
CMYK	cmyk(43.3%, 22.8%, 0%, 29.4%)
CIE-LAB	lab(56.67, -1.88, -25.55)
CIE-LCH	lch(56.67, 25.62, 265.79°)
OKLab	oklab(62.54% -0.0237 -0.071)
OKLCH	oklch(62.54% 0.075 251.6)
XYZ	xyz(22.9476, 24.5839, 46.7071)
Luminance	0.2459 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BB4 #B48F66

analogous

#66B2B4 #668BB4 #6866B4

triadic

#668BB4 #B4668B #8BB466

tetradic

#668BB4 #B466B2 #B48F66 #66B468

square

#668BB4 #B466B2 #B48F66 #66B468

split-complementary

#668BB4 #B46866 #B2B466

monochromatic

#344E6B #496C94 #668BB4 #8FAAC8 #B8C9DC

Accessibility & contrast

On white

3.55

#668BB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.92

#668BB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BB4

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BB4	#FFFFFF	#000000	##000000
##668BB4	1.00	3.55	5.92	5.92
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.92	21.00	1.00	1.00
##000000	5.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8CB6

Deuteranopia (green-blind)

#7284B3

Tritanopia (blue-blind)

#489499

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #668bb4;
/* rgb */ color: rgb(102, 139, 180);
/* oklch */ color: oklch(62.5% 0.075 251.6);

Tailwind

colors: {
  custom: {
    50: '#95acca',
    500: '#668bb4',
    950: '#000000',
  },
}

SCSS

$custom: #668bb4;
$custom-light: #95acca;
$custom-dark: #000000;

JSON

{
  "hex": "#668bb4",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 180
  },
  "hsl": {
    "h": 211.538,
    "s": 34.211,
    "l": 55.294
  },
  "oklch": {
    "l": 0.62537,
    "c": 0.07485,
    "h": 251.6
  },
  "luminance": 0.24585
}

Semantic roles & 50–950 ramp

primary

#668BB4

secondary

#CBBCAB

accent

#975ECA

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0D1013

muted

#7E7F82

Preview Lab

Preview with #668BB4

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

Preview Lab → · Contrast checker → · Palette generator →