#668AAA#668AAA

#668AAA is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.9% C 0.063 H 245.9°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#668AAA
RGB	rgb(102, 138, 170)
HSL	hsl(208, 29%, 53%)
HSV	hsv(208, 40%, 67%)
CMYK	cmyk(40%, 18.8%, 0%, 33.3%)
CIE-LAB	lab(55.99, -4.14, -20.87)
CIE-LCH	lch(55.99, 21.28, 258.78°)
OKLab	oklab(61.88% -0.0258 -0.0577)
OKLCH	oklch(61.88% 0.063 245.9)
XYZ	xyz(21.8213, 23.9028, 41.4863)
Luminance	0.2390 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668AAA #AA8666

analogous

#66AAA8 #668AAA #6668AA

triadic

#668AAA #AA668A #8AAA66

tetradic

#668AAA #A866AA #AA8666 #68AA66

square

#668AAA #A866AA #AA8666 #68AA66

split-complementary

#668AAA #AA6668 #AAA866

monochromatic

#354C60 #4B6B88 #668AAA #8DA8C0 #B5C6D6

Accessibility & contrast

On white

3.63

#668AAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#668AAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668AAA

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668AAA	#FFFFFF	#000000	##000000
##668AAA	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8AAC

Deuteranopia (green-blind)

#7483A9

Tritanopia (blue-blind)

#4E9295

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #668aaa;
/* rgb */ color: rgb(102, 138, 170);
/* oklch */ color: oklch(61.9% 0.063 245.9);

Tailwind

colors: {
  custom: {
    50: '#94acc3',
    500: '#668aaa',
    950: '#000000',
  },
}

SCSS

$custom: #668aaa;
$custom-light: #94acc3;
$custom-dark: #000000;

JSON

{
  "hex": "#668aaa",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 170
  },
  "hsl": {
    "h": 208.235,
    "s": 28.571,
    "l": 53.333
  },
  "oklch": {
    "l": 0.61875,
    "c": 0.06324,
    "h": 245.9
  },
  "luminance": 0.23904
}

Semantic roles & 50–950 ramp

primary

#668AAA

secondary

#C5B5A7

accent

#9163C5

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0D1012

muted

#7E7F81

Preview Lab

Preview with #668AAA

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

Preview Lab → · Contrast checker → · Palette generator →