#668DCF#668DCF

#668DCF is a light, moderate blue. Relative luminance 0.264; OKLCH L 64.3% C 0.109 H 260.5°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#668DCF
RGB	rgb(102, 141, 207)
HSL	hsl(218, 52%, 61%)
HSV	hsv(218, 51%, 81%)
CMYK	cmyk(50.7%, 31.9%, 0%, 18.8%)
CIE-LAB	lab(58.39, 5.00, -38.15)
CIE-LCH	lch(58.39, 38.48, 277.47°)
OKLab	oklab(64.27% -0.0179 -0.1073)
OKLCH	oklch(64.27% 0.109 260.5)
XYZ	xyz(26.2631, 26.3777, 62.7268)
Luminance	0.2638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668DCF #CFA866

analogous

#66C2CF #668DCF #7366CF

triadic

#668DCF #CF668D #8DCF66

tetradic

#668DCF #CF66C2 #CFA866 #66CF73

square

#668DCF #CF66C2 #CFA866 #66CF73

split-complementary

#668DCF #CF7366 #C2CF66

monochromatic

#2D518E #3B6BBD #668DCF #95B0DE #C3D2EC

Accessibility & contrast

On white

3.35

#668DCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#668DCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668DCF

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668DCF	#FFFFFF	#000000	##000000
##668DCF	1.00	3.35	6.28	6.28
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7392D2

Deuteranopia (green-blind)

#6788CE

Tritanopia (blue-blind)

#349BA5

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #668dcf;
/* rgb */ color: rgb(102, 141, 207);
/* oklch */ color: oklch(64.3% 0.109 260.5);

Tailwind

colors: {
  custom: {
    50: '#97aede',
    500: '#668dcf',
    950: '#000000',
  },
}

SCSS

$custom: #668dcf;
$custom-light: #97aede;
$custom-dark: #000000;

JSON

{
  "hex": "#668dcf",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 207
  },
  "hsl": {
    "h": 217.714,
    "s": 52.239,
    "l": 60.588
  },
  "oklch": {
    "l": 0.64271,
    "c": 0.10879,
    "h": 260.5
  },
  "luminance": 0.2638
}

Semantic roles & 50–950 ramp

primary

#668DCF

secondary

#DCCEB4

accent

#8726C0

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #668DCF

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

Preview Lab → · Contrast checker → · Palette generator →