#668ECF#668ECF

#668ECF is a light, moderate blue. Relative luminance 0.267; OKLCH L 64.5% C 0.108 H 259.8°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#668ECF
RGB	rgb(102, 142, 207)
HSL	hsl(217, 52%, 61%)
HSV	hsv(217, 51%, 81%)
CMYK	cmyk(50.7%, 31.4%, 0%, 18.8%)
CIE-LAB	lab(58.67, 4.42, -37.72)
CIE-LCH	lch(58.67, 37.97, 276.68°)
OKLab	oklab(64.49% -0.0191 -0.106)
OKLCH	oklch(64.49% 0.108 259.8)
XYZ	xyz(26.4112, 26.6739, 62.7762)
Luminance	0.2668 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668ECF #CFA766

analogous

#66C2CF #668ECF #7266CF

triadic

#668ECF #CF668E #8ECF66

tetradic

#668ECF #CF66C2 #CFA766 #66CF72

square

#668ECF #CF66C2 #CFA766 #66CF72

split-complementary

#668ECF #CF7266 #C2CF66

monochromatic

#2D528E #3B6CBD #668ECF #95B0DE #C3D3EC

Accessibility & contrast

On white

3.31

#668ECF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#668ECF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668ECF

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668ECF	#FFFFFF	#000000	##000000
##668ECF	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7593D2

Deuteranopia (green-blind)

#6889CE

Tritanopia (blue-blind)

#349CA5

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #668ecf;
/* rgb */ color: rgb(102, 142, 207);
/* oklch */ color: oklch(64.5% 0.108 259.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#668ecf",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 207
  },
  "hsl": {
    "h": 217.143,
    "s": 52.239,
    "l": 60.588
  },
  "oklch": {
    "l": 0.64488,
    "c": 0.10774,
    "h": 259.8
  },
  "luminance": 0.26676
}

Semantic roles & 50–950 ramp

primary

#668ECF

secondary

#DCCDB4

accent

#8526C0

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #668ECF

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

Preview Lab → · Contrast checker → · Palette generator →