#668CBB#668CBB

#668CBB is a light, moderate cyan. Relative luminance 0.252; OKLCH L 63.1% C 0.083 H 254.2°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#668CBB
RGB	rgb(102, 140, 187)
HSL	hsl(213, 38%, 57%)
HSV	hsv(213, 45%, 73%)
CMYK	cmyk(45.5%, 25.1%, 0%, 26.7%)
CIE-LAB	lab(57.24, -0.43, -28.65)
CIE-LCH	lch(57.24, 28.65, 269.15°)
OKLab	oklab(63.08% -0.0226 -0.0799)
OKLCH	oklch(63.08% 0.083 254.2)
XYZ	xyz(23.8242, 25.1673, 50.6065)
Luminance	0.2517 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CBB #BB9566

analogous

#66B7BB #668CBB #6B66BB

triadic

#668CBB #BB668C #8CBB66

tetradic

#668CBB #BB66B7 #BB9566 #66BB6B

square

#668CBB #BB66B7 #BB9566 #66BB6B

split-complementary

#668CBB #BB6B66 #B7BB66

monochromatic

#335073 #466D9E #668CBB #90ACCE #BBCCE1

Accessibility & contrast

On white

3.48

#668CBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#668CBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CBB

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CBB	#FFFFFF	#000000	##000000
##668CBB	1.00	3.48	6.03	6.03
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8EBD

Deuteranopia (green-blind)

#7086BA

Tritanopia (blue-blind)

#44969C

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #668cbb;
/* rgb */ color: rgb(102, 140, 187);
/* oklch */ color: oklch(63.1% 0.083 254.2);

Tailwind

colors: {
  custom: {
    50: '#96adcf',
    500: '#668cbb',
    950: '#000000',
  },
}

SCSS

$custom: #668cbb;
$custom-light: #96adcf;
$custom-dark: #000000;

JSON

{
  "hex": "#668cbb",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 187
  },
  "hsl": {
    "h": 213.176,
    "s": 38.462,
    "l": 56.667
  },
  "oklch": {
    "l": 0.63079,
    "c": 0.08303,
    "h": 254.2
  },
  "luminance": 0.25169
}

Semantic roles & 50–950 ramp

primary

#668CBB

secondary

#D0C0AD

accent

#9A59CE

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1014

muted

#7E7F82

Preview Lab

Preview with #668CBB

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

Preview Lab → · Contrast checker → · Palette generator →