#667FEF#667FEF

#667FEF is a light, vivid blue. Relative luminance 0.242; OKLCH L 63.2% C 0.169 H 271.3°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#667FEF
RGB	rgb(102, 127, 239)
HSL	hsl(229, 81%, 67%)
HSV	hsv(229, 57%, 94%)
CMYK	cmyk(57.3%, 46.9%, 0%, 6.3%)
CIE-LAB	lab(56.32, 23.50, -59.33)
CIE-LCH	lch(56.32, 63.81, 291.61°)
OKLab	oklab(63.22% 0.004 -0.1693)
OKLCH	oklch(63.22% 0.169 271.3)
XYZ	xyz(28.6437, 24.2333, 84.8127)
Luminance	0.2424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667FEF #EFD666

analogous

#66C4EF #667FEF #9266EF

triadic

#667FEF #EF667F #7FEF66

tetradic

#667FEF #EF66C4 #EFD666 #66EF92

square

#667FEF #EF66C4 #EFD666 #66EF92

split-complementary

#667FEF #EF9266 #C4EF66

monochromatic

#1535C6 #2F51E9 #667FEF #9DADF5 #D5DCFB

Accessibility & contrast

On white

3.59

#667FEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#667FEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667FEF

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667FEF	#FFFFFF	#000000	##000000
##667FEF	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#498DF3

Deuteranopia (green-blind)

#3481ED

Tritanopia (blue-blind)

#0098AB

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #667fef;
/* rgb */ color: rgb(102, 127, 239);
/* oklch */ color: oklch(63.2% 0.169 271.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#667fef",
  "rgb": {
    "r": 102,
    "g": 127,
    "b": 239
  },
  "hsl": {
    "h": 229.051,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.63218,
    "c": 0.1694,
    "h": 271.3
  },
  "luminance": 0.24236
}

Semantic roles & 50–950 ramp

primary

#667FEF

secondary

#EEE6C2

accent

#B608DD

background

#FAFAFF

surface

#F4F3FE

border

#CECDD6

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #667FEF

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

Preview Lab → · Contrast checker → · Palette generator →