#667EF3#667EF3

#667EF3 is a light, vivid blue. Relative luminance 0.242; OKLCH L 63.3% C 0.176 H 271.8°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#667EF3
RGB	rgb(102, 126, 243)
HSL	hsl(230, 85%, 68%)
HSV	hsv(230, 58%, 95%)
CMYK	cmyk(58%, 48.1%, 0%, 4.7%)
CIE-LAB	lab(56.30, 25.39, -61.58)
CIE-LCH	lch(56.30, 66.61, 292.41°)
OKLab	oklab(63.28% 0.0055 -0.176)
OKLCH	oklch(63.28% 0.176 271.8)
XYZ	xyz(29.1127, 24.2153, 87.9165)
Luminance	0.2422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667EF3 #F3DB66

analogous

#66C5F3 #667EF3 #9466F3

triadic

#667EF3 #F3667E #7EF366

tetradic

#667EF3 #F366C5 #F3DB66 #66F394

square

#667EF3 #F366C5 #F3DB66 #66F394

split-complementary

#667EF3 #F39466 #C5F366

monochromatic

#1031CE #2D4EEF #667EF3 #9FAEF7 #D7DEFC

Accessibility & contrast

On white

3.59

#667EF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#667EF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667EF3

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667EF3	#FFFFFF	#000000	##000000
##667EF3	1.00	3.59	5.84	5.84
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#438DF7

Deuteranopia (green-blind)

#2B81F1

Tritanopia (blue-blind)

#0098AD

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #667ef3;
/* rgb */ color: rgb(102, 126, 243);
/* oklch */ color: oklch(63.3% 0.176 271.8);

Tailwind

colors: {
  custom: {
    50: '#9ca3f8',
    500: '#667ef3',
    950: '#000000',
  },
}

SCSS

$custom: #667ef3;
$custom-light: #9ca3f8;
$custom-dark: #000000;

JSON

{
  "hex": "#667ef3",
  "rgb": {
    "r": 102,
    "g": 126,
    "b": 243
  },
  "hsl": {
    "h": 229.787,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.63281,
    "c": 0.17605,
    "h": 271.8
  },
  "luminance": 0.24218
}

Semantic roles & 50–950 ramp

primary

#667EF3

secondary

#F0E9C5

accent

#BC04E2

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #667EF3

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

Preview Lab → · Contrast checker → · Palette generator →