#667BF3#667BF3

#667BF3 is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.7% C 0.180 H 272.7°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#667BF3
RGB	rgb(102, 123, 243)
HSL	hsl(231, 85%, 68%)
HSV	hsv(231, 58%, 95%)
CMYK	cmyk(58%, 49.4%, 0%, 4.7%)
CIE-LAB	lab(55.54, 27.20, -62.80)
CIE-LCH	lch(55.54, 68.44, 293.42°)
OKLab	oklab(62.71% 0.0085 -0.1796)
OKLCH	oklch(62.71% 0.18 272.7)
XYZ	xyz(28.7348, 23.4595, 87.7906)
Luminance	0.2346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667BF3 #F3DE66

analogous

#66C1F3 #667BF3 #9866F3

triadic

#667BF3 #F3667B #7BF366

tetradic

#667BF3 #F366C1 #F3DE66 #66F398

square

#667BF3 #F366C1 #F3DE66 #66F398

split-complementary

#667BF3 #F39866 #C1F366

monochromatic

#102DCE #2D4AEF #667BF3 #9FACF7 #D7DDFC

Accessibility & contrast

On white

3.69

#667BF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#667BF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667BF3

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667BF3	#FFFFFF	#000000	##000000
##667BF3	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C8BF7

Deuteranopia (green-blind)

#217FF0

Tritanopia (blue-blind)

#0096AC

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #667bf3;
/* rgb */ color: rgb(102, 123, 243);
/* oklch */ color: oklch(62.7% 0.180 272.7);

Tailwind

colors: {
  custom: {
    50: '#9da0f8',
    500: '#667bf3',
    950: '#000000',
  },
}

SCSS

$custom: #667bf3;
$custom-light: #9da0f8;
$custom-dark: #000000;

JSON

{
  "hex": "#667bf3",
  "rgb": {
    "r": 102,
    "g": 123,
    "b": 243
  },
  "hsl": {
    "h": 231.064,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.62705,
    "c": 0.1798,
    "h": 272.7
  },
  "luminance": 0.23462
}

Semantic roles & 50–950 ramp

primary

#667BF3

secondary

#F0EAC5

accent

#C104E2

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #667BF3

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

Preview Lab → · Contrast checker → · Palette generator →