#667CDF#667CDF

#667CDF is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.6% C 0.151 H 271.9°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#667CDF
RGB	rgb(102, 124, 223)
HSL	hsl(229, 65%, 64%)
HSV	hsv(229, 54%, 87%)
CMYK	cmyk(54.3%, 44.4%, 0%, 12.5%)
CIE-LAB	lab(54.62, 20.18, -53.11)
CIE-LCH	lch(54.62, 56.81, 290.80°)
OKLab	oklab(61.63% 0.0049 -0.1511)
OKLCH	oklch(61.63% 0.151 271.9)
XYZ	xyz(26.0021, 22.5660, 72.7832)
Luminance	0.2257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667CDF #DFC966

analogous

#66B8DF #667CDF #8C66DF

triadic

#667CDF #DF667C #7CDF66

tetradic

#667CDF #DF66B8 #DFC966 #66DF8C

square

#667CDF #DF66B8 #DFC966 #66DF8C

split-complementary

#667CDF #DF8C66 #B8DF66

monochromatic

#233BA8 #3351D4 #667CDF #99A7EA #CBD3F4

Accessibility & contrast

On white

3.81

#667CDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#667CDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667CDF

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667CDF	#FFFFFF	#000000	##000000
##667CDF	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5088E3

Deuteranopia (green-blind)

#427EDD

Tritanopia (blue-blind)

#2692A3

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #667cdf;
/* rgb */ color: rgb(102, 124, 223);
/* oklch */ color: oklch(61.6% 0.151 271.9);

Tailwind

colors: {
  custom: {
    50: '#9aa1e9',
    500: '#667cdf',
    950: '#000000',
  },
}

SCSS

$custom: #667cdf;
$custom-light: #9aa1e9;
$custom-dark: #000000;

JSON

{
  "hex": "#667cdf",
  "rgb": {
    "r": 102,
    "g": 124,
    "b": 223
  },
  "hsl": {
    "h": 229.091,
    "s": 65.405,
    "l": 63.725
  },
  "oklch": {
    "l": 0.61627,
    "c": 0.15119,
    "h": 271.9
  },
  "luminance": 0.22568
}

Semantic roles & 50–950 ramp

primary

#667CDF

secondary

#E6DEBB

accent

#AC18CD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #667CDF

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

Preview Lab → · Contrast checker → · Palette generator →