#667CF3#667CF3

#667CF3 is a light, vivid blue. Relative luminance 0.237; OKLCH L 62.9% C 0.179 H 272.4°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#667CF3
RGB	rgb(102, 124, 243)
HSL	hsl(231, 85%, 68%)
HSV	hsv(231, 58%, 95%)
CMYK	cmyk(58%, 49%, 0%, 4.7%)
CIE-LAB	lab(55.80, 26.60, -62.39)
CIE-LCH	lch(55.80, 67.83, 293.09°)
OKLab	oklab(62.9% 0.0075 -0.1784)
OKLCH	oklch(62.9% 0.179 272.4)
XYZ	xyz(28.8595, 23.7089, 87.8321)
Luminance	0.2371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667CF3 #F3DD66

analogous

#66C3F3 #667CF3 #9666F3

triadic

#667CF3 #F3667C #7CF366

tetradic

#667CF3 #F366C3 #F3DD66 #66F396

square

#667CF3 #F366C3 #F3DD66 #66F396

split-complementary

#667CF3 #F39666 #C3F366

monochromatic

#102ECE #2D4BEF #667CF3 #9FADF7 #D7DDFC

Accessibility & contrast

On white

3.66

#667CF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#667CF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667CF3

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667CF3	#FFFFFF	#000000	##000000
##667CF3	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E8CF7

Deuteranopia (green-blind)

#2480F0

Tritanopia (blue-blind)

#0097AC

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #667cf3;
/* rgb */ color: rgb(102, 124, 243);
/* oklch */ color: oklch(62.9% 0.179 272.4);

Tailwind

colors: {
  custom: {
    50: '#9da1f8',
    500: '#667cf3',
    950: '#000000',
  },
}

SCSS

$custom: #667cf3;
$custom-light: #9da1f8;
$custom-dark: #000000;

JSON

{
  "hex": "#667cf3",
  "rgb": {
    "r": 102,
    "g": 124,
    "b": 243
  },
  "hsl": {
    "h": 230.638,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.62896,
    "c": 0.17855,
    "h": 272.4
  },
  "luminance": 0.23711
}

Semantic roles & 50–950 ramp

primary

#667CF3

secondary

#F0E9C5

accent

#BF04E2

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0F17

muted

#7F7E85

Preview Lab

Preview with #667CF3

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

Preview Lab → · Contrast checker → · Palette generator →