#667EF4#667EF4

#667EF4 is a light, vivid blue. Relative luminance 0.243; OKLCH L 63.3% C 0.177 H 271.8°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#667EF4
RGB	rgb(102, 126, 244)
HSL	hsl(230, 87%, 68%)
HSV	hsv(230, 58%, 96%)
CMYK	cmyk(58.2%, 48.4%, 0%, 4.3%)
CIE-LAB	lab(56.36, 25.72, -62.03)
CIE-LCH	lch(56.36, 67.15, 292.52°)
OKLab	oklab(63.35% 0.0056 -0.1773)
OKLCH	oklch(63.35% 0.177 271.8)
XYZ	xyz(29.2641, 24.2759, 88.7140)
Luminance	0.2428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667EF4 #F4DC66

analogous

#66C5F4 #667EF4 #9566F4

triadic

#667EF4 #F4667E #7EF466

tetradic

#667EF4 #F466C5 #F4DC66 #66F495

square

#667EF4 #F466C5 #F4DC66 #66F495

split-complementary

#667EF4 #F49566 #C5F466

monochromatic

#0F30D1 #2D4EF0 #667EF4 #9FAEF8 #D8DEFC

Accessibility & contrast

On white

3.59

#667EF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#667EF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667EF4

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667EF4	#FFFFFF	#000000	##000000
##667EF4	1.00	3.59	5.86	5.86
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#428EF8

Deuteranopia (green-blind)

#2981F2

Tritanopia (blue-blind)

#0099AD

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #667ef4;
/* rgb */ color: rgb(102, 126, 244);
/* oklch */ color: oklch(63.3% 0.177 271.8);

Tailwind

colors: {
  custom: {
    50: '#9da3f8',
    500: '#667ef4',
    950: '#000000',
  },
}

SCSS

$custom: #667ef4;
$custom-light: #9da3f8;
$custom-dark: #000000;

JSON

{
  "hex": "#667ef4",
  "rgb": {
    "r": 102,
    "g": 126,
    "b": 244
  },
  "hsl": {
    "h": 229.859,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.63346,
    "c": 0.17741,
    "h": 271.8
  },
  "luminance": 0.24278
}

Semantic roles & 50–950 ramp

primary

#667EF4

secondary

#F1E9C5

accent

#BD02E3

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #667EF4

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

Preview Lab → · Contrast checker → · Palette generator →