#667DDF#667DDF

#667DDF is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.8% C 0.150 H 271.5°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#667DDF
RGB	rgb(102, 125, 223)
HSL	hsl(229, 65%, 64%)
HSV	hsv(229, 54%, 87%)
CMYK	cmyk(54.3%, 43.9%, 0%, 12.5%)
CIE-LAB	lab(54.88, 19.57, -52.69)
CIE-LCH	lch(54.88, 56.21, 290.38°)
OKLab	oklab(61.83% 0.0038 -0.1499)
OKLCH	oklch(61.83% 0.15 271.5)
XYZ	xyz(26.1280, 22.8179, 72.8252)
Luminance	0.2282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667DDF #DFC866

analogous

#66B9DF #667DDF #8B66DF

triadic

#667DDF #DF667D #7DDF66

tetradic

#667DDF #DF66B9 #DFC866 #66DF8B

square

#667DDF #DF66B9 #DFC866 #66DF8B

split-complementary

#667DDF #DF8B66 #B9DF66

monochromatic

#233CA8 #3352D4 #667DDF #99A8EA #CBD3F4

Accessibility & contrast

On white

3.77

#667DDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#667DDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667DDF

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667DDF	#FFFFFF	#000000	##000000
##667DDF	1.00	3.77	5.56	5.56
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5289E3

Deuteranopia (green-blind)

#447EDD

Tritanopia (blue-blind)

#2692A3

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #667ddf;
/* rgb */ color: rgb(102, 125, 223);
/* oklch */ color: oklch(61.8% 0.150 271.5);

Tailwind

colors: {
  custom: {
    50: '#9aa2e9',
    500: '#667ddf',
    950: '#000000',
  },
}

SCSS

$custom: #667ddf;
$custom-light: #9aa2e9;
$custom-dark: #000000;

JSON

{
  "hex": "#667ddf",
  "rgb": {
    "r": 102,
    "g": 125,
    "b": 223
  },
  "hsl": {
    "h": 228.595,
    "s": 65.405,
    "l": 63.725
  },
  "oklch": {
    "l": 0.61827,
    "c": 0.14993,
    "h": 271.5
  },
  "luminance": 0.2282
}

Semantic roles & 50–950 ramp

primary

#667DDF

secondary

#E6DEBB

accent

#AB18CD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0F16

muted

#7E7E84

Preview Lab

Preview with #667DDF

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

Preview Lab → · Contrast checker → · Palette generator →