#668CB8#668CB8

#668CB8 is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.9% C 0.079 H 252.7°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#668CB8
RGB	rgb(102, 140, 184)
HSL	hsl(212, 37%, 56%)
HSV	hsv(212, 45%, 72%)
CMYK	cmyk(44.6%, 23.9%, 0%, 27.8%)
CIE-LAB	lab(57.11, -1.30, -27.13)
CIE-LCH	lch(57.11, 27.17, 267.25°)
OKLab	oklab(62.94% -0.0236 -0.0756)
OKLCH	oklch(62.94% 0.079 252.7)
XYZ	xyz(23.5064, 25.0402, 48.9327)
Luminance	0.2504 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CB8 #B89266

analogous

#66B5B8 #668CB8 #6966B8

triadic

#668CB8 #B8668C #8CB866

tetradic

#668CB8 #B866B5 #B89266 #66B869

square

#668CB8 #B866B5 #B89266 #66B869

split-complementary

#668CB8 #B86966 #B5B866

monochromatic

#345070 #476D9A #668CB8 #90ABCB #BACBDF

Accessibility & contrast

On white

3.50

#668CB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#668CB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CB8

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CB8	#FFFFFF	#000000	##000000
##668CB8	1.00	3.50	6.01	6.01
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8EBA

Deuteranopia (green-blind)

#7185B7

Tritanopia (blue-blind)

#46969B

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #668cb8;
/* rgb */ color: rgb(102, 140, 184);
/* oklch */ color: oklch(62.9% 0.079 252.7);

Tailwind

colors: {
  custom: {
    50: '#95adcd',
    500: '#668cb8',
    950: '#000000',
  },
}

SCSS

$custom: #668cb8;
$custom-light: #95adcd;
$custom-dark: #000000;

JSON

{
  "hex": "#668cb8",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 184
  },
  "hsl": {
    "h": 212.195,
    "s": 36.607,
    "l": 56.078
  },
  "oklch": {
    "l": 0.62941,
    "c": 0.07915,
    "h": 252.7
  },
  "luminance": 0.25042
}

Semantic roles & 50–950 ramp

primary

#668CB8

secondary

#CEBEAC

accent

#985BCD

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1013

muted

#7E7F82

Preview Lab

Preview with #668CB8

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

Preview Lab → · Contrast checker → · Palette generator →