#668FB8#668FB8

#668FB8 is a light, moderate cyan. Relative luminance 0.259; OKLCH L 63.6% C 0.077 H 249.1°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#668FB8
RGB	rgb(102, 143, 184)
HSL	hsl(210, 37%, 56%)
HSV	hsv(210, 45%, 72%)
CMYK	cmyk(44.6%, 22.3%, 0%, 27.8%)
CIE-LAB	lab(57.97, -3.02, -25.82)
CIE-LCH	lch(57.97, 25.99, 263.33°)
OKLab	oklab(63.61% -0.0274 -0.0718)
OKLCH	oklch(63.61% 0.077 249.1)
XYZ	xyz(23.9508, 25.9289, 49.0808)
Luminance	0.2593 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FB8 #B88F66

analogous

#66B8B8 #668FB8 #6666B8

triadic

#668FB8 #B8668F #8FB866

tetradic

#668FB8 #B866B8 #B88F66 #66B866

square

#668FB8 #B866B8 #B88F66 #66B866

split-complementary

#668FB8 #B86666 #B8B866

monochromatic

#345270 #47709A #668FB8 #90AECB #BACCDF

Accessibility & contrast

On white

3.39

#668FB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#668FB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FB8

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FB8	#FFFFFF	#000000	##000000
##668FB8	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F90BA

Deuteranopia (green-blind)

#7488B7

Tritanopia (blue-blind)

#45989D

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #668fb8;
/* rgb */ color: rgb(102, 143, 184);
/* oklch */ color: oklch(63.6% 0.077 249.1);

Tailwind

colors: {
  custom: {
    50: '#95afcd',
    500: '#668fb8',
    950: '#000000',
  },
}

SCSS

$custom: #668fb8;
$custom-light: #95afcd;
$custom-dark: #000000;

JSON

{
  "hex": "#668fb8",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 184
  },
  "hsl": {
    "h": 210,
    "s": 36.607,
    "l": 56.078
  },
  "oklch": {
    "l": 0.63614,
    "c": 0.07683,
    "h": 249.1
  },
  "luminance": 0.2593
}

Semantic roles & 50–950 ramp

primary

#668FB8

secondary

#CEBDAC

accent

#945BCD

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1013

muted

#7E7F82

Preview Lab

Preview with #668FB8

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

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