#667BBF#667BBF

#667BBF is a mid, moderate blue. Relative luminance 0.208; OKLCH L 59.6% C 0.107 H 269.9°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#667BBF
RGB	rgb(102, 123, 191)
HSL	hsl(226, 41%, 57%)
HSV	hsv(226, 47%, 75%)
CMYK	cmyk(46.6%, 35.6%, 0%, 25.1%)
CIE-LAB	lab(52.68, 10.81, -38.05)
CIE-LCH	lch(52.68, 39.56, 285.86°)
OKLab	oklab(59.59% -0.0002 -0.1071)
OKLCH	oklch(59.59% 0.107 269.9)
XYZ	xyz(21.9634, 20.7510, 52.1281)
Luminance	0.2075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667BBF #BFAA66

analogous

#66A7BF #667BBF #7E66BF

triadic

#667BBF #BF667B #7BBF66

tetradic

#667BBF #BF66A7 #BFAA66 #66BF7E

square

#667BBF #BF66A7 #BFAA66 #66BF7E

split-complementary

#667BBF #BF7E66 #A7BF66

monochromatic

#324378 #445BA3 #667BBF #91A0D1 #BCC5E3

Accessibility & contrast

On white

4.08

#667BBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#667BBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667BBF

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667BBF	#FFFFFF	#000000	##000000
##667BBF	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6282C2

Deuteranopia (green-blind)

#597ABD

Tritanopia (blue-blind)

#448994

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #667bbf;
/* rgb */ color: rgb(102, 123, 191);
/* oklch */ color: oklch(59.6% 0.107 269.9);

Tailwind

colors: {
  custom: {
    50: '#96a0d2',
    500: '#667bbf',
    950: '#000000',
  },
}

SCSS

$custom: #667bbf;
$custom-light: #96a0d2;
$custom-dark: #000000;

JSON

{
  "hex": "#667bbf",
  "rgb": {
    "r": 102,
    "g": 123,
    "b": 191
  },
  "hsl": {
    "h": 225.843,
    "s": 41.014,
    "l": 57.451
  },
  "oklch": {
    "l": 0.59585,
    "c": 0.1071,
    "h": 269.9
  },
  "luminance": 0.20752
}

Semantic roles & 50–950 ramp

primary

#667BBF

secondary

#D2CAAE

accent

#B457D1

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0E14

muted

#7E7E82

Preview Lab

Preview with #667BBF

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

Preview Lab → · Contrast checker → · Palette generator →