#667FE9#667FE9

#667FE9 is a light, vivid blue. Relative luminance 0.239; OKLCH L 62.8% C 0.161 H 271.1°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#667FE9
RGB	rgb(102, 127, 233)
HSL	hsl(229, 75%, 66%)
HSV	hsv(229, 56%, 91%)
CMYK	cmyk(56.2%, 45.5%, 0%, 8.6%)
CIE-LAB	lab(55.97, 21.56, -56.55)
CIE-LCH	lch(55.97, 60.52, 290.87°)
OKLab	oklab(62.84% 0.0032 -0.1612)
OKLCH	oklch(62.84% 0.161 271.1)
XYZ	xyz(27.7720, 23.8846, 80.2217)
Luminance	0.2389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667FE9 #E9D066

analogous

#66C0E9 #667FE9 #8E66E9

triadic

#667FE9 #E9667F #7FE966

tetradic

#667FE9 #E966C0 #E9D066 #66E98E

square

#667FE9 #E966C0 #E9D066 #66E98E

split-complementary

#667FE9 #E98E66 #C0E966

monochromatic

#1B39BA #3052E1 #667FE9 #9CACF1 #D1D9F8

Accessibility & contrast

On white

3.63

#667FE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#667FE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667FE9

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667FE9	#FFFFFF	#000000	##000000
##667FE9	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)

#4E8CED

Deuteranopia (green-blind)

#3C81E7

Tritanopia (blue-blind)

#0F97A9

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #667fe9;
/* rgb */ color: rgb(102, 127, 233);
/* oklch */ color: oklch(62.8% 0.161 271.1);

Tailwind

colors: {
  custom: {
    50: '#9ba3f0',
    500: '#667fe9',
    950: '#000000',
  },
}

SCSS

$custom: #667fe9;
$custom-light: #9ba3f0;
$custom-dark: #000000;

JSON

{
  "hex": "#667fe9",
  "rgb": {
    "r": 102,
    "g": 127,
    "b": 233
  },
  "hsl": {
    "h": 228.55,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.6284,
    "c": 0.16121,
    "h": 271.1
  },
  "luminance": 0.23887
}

Semantic roles & 50–950 ramp

primary

#667FE9

secondary

#EBE3C0

accent

#B10ED7

background

#FAFAFE

surface

#F3F3FD

border

#CDCDD5

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #667FE9

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

Preview Lab → · Contrast checker → · Palette generator →