#668BBB#668BBB

#668BBB is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.9% C 0.084 H 255.2°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#668BBB
RGB	rgb(102, 139, 187)
HSL	hsl(214, 38%, 57%)
HSV	hsv(214, 45%, 73%)
CMYK	cmyk(45.5%, 25.7%, 0%, 26.7%)
CIE-LAB	lab(56.95, 0.15, -29.09)
CIE-LCH	lch(56.95, 29.09, 270.30°)
OKLab	oklab(62.86% -0.0214 -0.0811)
OKLCH	oklch(62.86% 0.084 255.2)
XYZ	xyz(23.6788, 24.8764, 50.5580)
Luminance	0.2488 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BBB #BB9666

analogous

#66B6BB #668BBB #6C66BB

triadic

#668BBB #BB668B #8BBB66

tetradic

#668BBB #BB66B6 #BB9666 #66BB6C

square

#668BBB #BB66B6 #BB9666 #66BB6C

split-complementary

#668BBB #BB6C66 #B6BB66

monochromatic

#334F73 #466C9E #668BBB #90ABCE #BBCBE1

Accessibility & contrast

On white

3.51

#668BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#668BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BBB

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BBB	#FFFFFF	#000000	##000000
##668BBB	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798DBD

Deuteranopia (green-blind)

#6F85BA

Tritanopia (blue-blind)

#44969C

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #668bbb;
/* rgb */ color: rgb(102, 139, 187);
/* oklch */ color: oklch(62.9% 0.084 255.2);

Tailwind

colors: {
  custom: {
    50: '#96accf',
    500: '#668bbb',
    950: '#000000',
  },
}

SCSS

$custom: #668bbb;
$custom-light: #96accf;
$custom-dark: #000000;

JSON

{
  "hex": "#668bbb",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 187
  },
  "hsl": {
    "h": 213.882,
    "s": 38.462,
    "l": 56.667
  },
  "oklch": {
    "l": 0.62857,
    "c": 0.08392,
    "h": 255.2
  },
  "luminance": 0.24878
}

Semantic roles & 50–950 ramp

primary

#668BBB

secondary

#D0C1AD

accent

#9B59CE

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1014

muted

#7E7F82

Preview Lab

Preview with #668BBB

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

Preview Lab → · Contrast checker → · Palette generator →