#667EEF#667EEF

#667EEF is a light, vivid blue. Relative luminance 0.240; OKLCH L 63.0% C 0.171 H 271.7°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#667EEF
RGB	rgb(102, 126, 239)
HSL	hsl(229, 81%, 67%)
HSV	hsv(229, 57%, 94%)
CMYK	cmyk(57.3%, 47.3%, 0%, 6.3%)
CIE-LAB	lab(56.06, 24.10, -59.74)
CIE-LCH	lch(56.06, 64.42, 291.97°)
OKLab	oklab(63.02% 0.005 -0.1706)
OKLCH	oklch(63.02% 0.171 271.7)
XYZ	xyz(28.5152, 23.9763, 84.7699)
Luminance	0.2398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667EEF #EFD766

analogous

#66C3EF #667EEF #9366EF

triadic

#667EEF #EF667E #7EEF66

tetradic

#667EEF #EF66C3 #EFD766 #66EF93

square

#667EEF #EF66C3 #EFD766 #66EF93

split-complementary

#667EEF #EF9366 #C3EF66

monochromatic

#1534C6 #2F4FE9 #667EEF #9DADF5 #D5DBFB

Accessibility & contrast

On white

3.62

#667EEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#667EEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667EEF

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667EEF	#FFFFFF	#000000	##000000
##667EEF	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#478DF3

Deuteranopia (green-blind)

#3281ED

Tritanopia (blue-blind)

#0097AB

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #667eef;
/* rgb */ color: rgb(102, 126, 239);
/* oklch */ color: oklch(63.0% 0.171 271.7);

Tailwind

colors: {
  custom: {
    50: '#9ca3f5',
    500: '#667eef',
    950: '#000000',
  },
}

SCSS

$custom: #667eef;
$custom-light: #9ca3f5;
$custom-dark: #000000;

JSON

{
  "hex": "#667eef",
  "rgb": {
    "r": 102,
    "g": 126,
    "b": 239
  },
  "hsl": {
    "h": 229.489,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.63023,
    "c": 0.17064,
    "h": 271.7
  },
  "luminance": 0.23978
}

Semantic roles & 50–950 ramp

primary

#667EEF

secondary

#EEE7C2

accent

#B808DD

background

#FAFAFF

surface

#F4F3FE

border

#CECDD6

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #667EEF

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

Preview Lab → · Contrast checker → · Palette generator →