#667AAA#667AAA

#667AAA is a mid, moderate blue. Relative luminance 0.196; OKLCH L 58.3% C 0.078 H 266.6°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#667AAA
RGB	rgb(102, 122, 170)
HSL	hsl(222, 29%, 53%)
HSV	hsv(222, 40%, 67%)
CMYK	cmyk(40%, 28.2%, 0%, 33.3%)
CIE-LAB	lab(51.43, 5.20, -27.90)
CIE-LCH	lch(51.43, 28.38, 280.56°)
OKLab	oklab(58.3% -0.0046 -0.0777)
OKLCH	oklch(58.3% 0.078 266.6)
XYZ	xyz(19.6925, 19.6452, 40.7767)
Luminance	0.1965 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667AAA #AA9666

analogous

#669CAA #667AAA #7466AA

triadic

#667AAA #AA667A #7AAA66

tetradic

#667AAA #AA669C #AA9666 #66AA74

square

#667AAA #AA669C #AA9666 #66AA74

split-complementary

#667AAA #AA7466 #9CAA66

monochromatic

#354260 #4B5D88 #667AAA #8D9CC0 #B5BED6

Accessibility & contrast

On white

4.26

#667AAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#667AAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667AAA

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667AAA	#FFFFFF	#000000	##000000
##667AAA	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7EAC

Deuteranopia (green-blind)

#6378A9

Tritanopia (blue-blind)

#50848B

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #667aaa;
/* rgb */ color: rgb(102, 122, 170);
/* oklch */ color: oklch(58.3% 0.078 266.6);

Tailwind

colors: {
  custom: {
    50: '#94a0c3',
    500: '#667aaa',
    950: '#000000',
  },
}

SCSS

$custom: #667aaa;
$custom-light: #94a0c3;
$custom-dark: #000000;

JSON

{
  "hex": "#667aaa",
  "rgb": {
    "r": 102,
    "g": 122,
    "b": 170
  },
  "hsl": {
    "h": 222.353,
    "s": 28.571,
    "l": 53.333
  },
  "oklch": {
    "l": 0.58304,
    "c": 0.07788,
    "h": 266.6
  },
  "luminance": 0.19646
}

Semantic roles & 50–950 ramp

primary

#667AAA

secondary

#C5BCA7

accent

#A863C5

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0E12

muted

#7E7E81

Preview Lab

Preview with #667AAA

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

Preview Lab → · Contrast checker → · Palette generator →