#668ECC#668ECC

#668ECC is a light, moderate blue. Relative luminance 0.265; OKLCH L 64.3% C 0.104 H 258.9°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#668ECC
RGB	rgb(102, 142, 204)
HSL	hsl(216, 50%, 60%)
HSV	hsv(216, 50%, 80%)
CMYK	cmyk(50%, 30.4%, 0%, 20%)
CIE-LAB	lab(58.54, 3.50, -36.24)
CIE-LCH	lch(58.54, 36.41, 275.52°)
OKLab	oklab(64.34% -0.0199 -0.1018)
OKLCH	oklch(64.34% 0.104 258.9)
XYZ	xyz(26.0479, 26.5286, 60.8630)
Luminance	0.2653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668ECC #CCA466

analogous

#66C1CC #668ECC #7166CC

triadic

#668ECC #CC668E #8ECC66

tetradic

#668ECC #CC66C1 #CCA466 #66CC71

square

#668ECC #CC66C1 #CCA466 #66CC71

split-complementary

#668ECC #CC7166 #C1CC66

monochromatic

#2E528A #3D6DB8 #668ECC #94B0DB #C2D2EB

Accessibility & contrast

On white

3.33

#668ECC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#668ECC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668ECC

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668ECC	#FFFFFF	#000000	##000000
##668ECC	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7692CF

Deuteranopia (green-blind)

#6A88CB

Tritanopia (blue-blind)

#379CA4

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #668ecc;
/* rgb */ color: rgb(102, 142, 204);
/* oklch */ color: oklch(64.3% 0.104 258.9);

Tailwind

colors: {
  custom: {
    50: '#97aedc',
    500: '#668ecc',
    950: '#000000',
  },
}

SCSS

$custom: #668ecc;
$custom-light: #97aedc;
$custom-dark: #000000;

JSON

{
  "hex": "#668ecc",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 204
  },
  "hsl": {
    "h": 216.471,
    "s": 50,
    "l": 60
  },
  "oklch": {
    "l": 0.64337,
    "c": 0.1037,
    "h": 258.9
  },
  "luminance": 0.2653
}

Semantic roles & 50–950 ramp

primary

#668ECC

secondary

#DBCBB3

accent

#A34EDA

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #668ECC

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

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