#668EFF#668EFF

#668EFF is a light, vivid blue. Relative luminance 0.294; OKLCH L 67.2% C 0.173 H 267.0°. Best body text is #000000 at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#668EFF
RGB	rgb(102, 142, 255)
HSL	hsl(224, 100%, 70%)
HSV	hsv(224, 60%, 100%)
CMYK	cmyk(60%, 44.3%, 0%, 0%)
CIE-LAB	lab(61.12, 19.69, -60.47)
CIE-LCH	lch(61.12, 63.59, 288.04°)
OKLab	oklab(67.18% -0.0089 -0.1725)
OKLCH	oklch(67.18% 0.173 267)
XYZ	xyz(33.1963, 29.3880, 98.5114)
Luminance	0.2939 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668EFF #FFD766

analogous

#66DAFF #668EFF #8B66FF

triadic

#668EFF #FF668E #8EFF66

tetradic

#668EFF #FF66DA #FFD766 #66FF8B

square

#668EFF #FF66DA #FFD766 #66FF8B

split-complementary

#668EFF #FF8B66 #DAFF66

monochromatic

#003DEB #2961FF #668EFF #A3BBFF #E0E8FF

Accessibility & contrast

On white

3.05

#668EFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.88

#668EFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668EFF

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668EFF	#FFFFFF	#000000	##000000
##668EFF	1.00	3.05	6.88	6.88
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.88	21.00	1.00	1.00
##000000	6.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#599BFF

Deuteranopia (green-blind)

#418DFD

Tritanopia (blue-blind)

#00A7BA

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #668eff;
/* rgb */ color: rgb(102, 142, 255);
/* oklch */ color: oklch(67.2% 0.173 267.0);

Tailwind

colors: {
  custom: {
    50: '#9eaeff',
    500: '#668eff',
    950: '#000000',
  },
}

SCSS

$custom: #668eff;
$custom-light: #9eaeff;
$custom-dark: #000000;

JSON

{
  "hex": "#668eff",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 255
  },
  "hsl": {
    "h": 224.314,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.67181,
    "c": 0.17275,
    "h": 267
  },
  "luminance": 0.29391
}

Semantic roles & 50–950 ramp

primary

#668EFF

secondary

#F6EBCB

accent

#AA00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #668EFF

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

Preview Lab → · Contrast checker → · Palette generator →