#667BDF#667BDF

#667BDF is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.4% C 0.152 H 272.3°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#667BDF
RGB	rgb(102, 123, 223)
HSL	hsl(230, 65%, 64%)
HSV	hsv(230, 54%, 87%)
CMYK	cmyk(54.3%, 44.8%, 0%, 12.5%)
CIE-LAB	lab(54.36, 20.78, -53.53)
CIE-LCH	lch(54.36, 57.42, 291.22°)
OKLab	oklab(61.43% 0.006 -0.1524)
OKLCH	oklch(61.43% 0.152 272.3)
XYZ	xyz(25.8774, 22.3166, 72.7416)
Luminance	0.2232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667BDF #DFCA66

analogous

#66B7DF #667BDF #8D66DF

triadic

#667BDF #DF667B #7BDF66

tetradic

#667BDF #DF66B7 #DFCA66 #66DF8D

square

#667BDF #DF66B7 #DFCA66 #66DF8D

split-complementary

#667BDF #DF8D66 #B7DF66

monochromatic

#233AA8 #334FD4 #667BDF #99A7EA #CBD2F4

Accessibility & contrast

On white

3.84

#667BDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#667BDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667BDF

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667BDF	#FFFFFF	#000000	##000000
##667BDF	1.00	3.84	5.46	5.46
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F87E3

Deuteranopia (green-blind)

#407DDD

Tritanopia (blue-blind)

#2691A2

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #667bdf;
/* rgb */ color: rgb(102, 123, 223);
/* oklch */ color: oklch(61.4% 0.152 272.3);

Tailwind

colors: {
  custom: {
    50: '#9aa0e9',
    500: '#667bdf',
    950: '#000000',
  },
}

SCSS

$custom: #667bdf;
$custom-light: #9aa0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#667bdf",
  "rgb": {
    "r": 102,
    "g": 123,
    "b": 223
  },
  "hsl": {
    "h": 229.587,
    "s": 65.405,
    "l": 63.725
  },
  "oklch": {
    "l": 0.61428,
    "c": 0.15247,
    "h": 272.3
  },
  "luminance": 0.22318
}

Semantic roles & 50–950 ramp

primary

#667BDF

secondary

#E6DEBB

accent

#AE18CD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #667BDF

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

Preview Lab → · Contrast checker → · Palette generator →