#667BD3#667BD3

#667BD3 is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.7% C 0.136 H 271.7°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#667BD3
RGB	rgb(102, 123, 211)
HSL	hsl(228, 55%, 61%)
HSV	hsv(228, 52%, 83%)
CMYK	cmyk(51.7%, 41.7%, 0%, 17.3%)
CIE-LAB	lab(53.70, 16.99, -47.82)
CIE-LCH	lch(53.70, 50.74, 289.56°)
OKLab	oklab(60.71% 0.0041 -0.1356)
OKLCH	oklch(60.71% 0.136 271.7)
XYZ	xyz(24.3165, 21.6922, 64.5211)
Luminance	0.2169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667BD3 #D3BE66

analogous

#66B2D3 #667BD3 #8866D3

triadic

#667BD3 #D3667B #7BD366

tetradic

#667BD3 #D366B2 #D3BE66 #66D388

square

#667BD3 #D366B2 #D3BE66 #66D388

split-complementary

#667BD3 #D38866 #B2D366

monochromatic

#2B3F94 #3853C4 #667BD3 #96A4E1 #C5CDEE

Accessibility & contrast

On white

3.93

#667BD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#667BD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667BD3

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667BD3	#FFFFFF	#000000	##000000
##667BD3	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5785D6

Deuteranopia (green-blind)

#4B7CD1

Tritanopia (blue-blind)

#358E9D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #667bd3;
/* rgb */ color: rgb(102, 123, 211);
/* oklch */ color: oklch(60.7% 0.136 271.7);

Tailwind

colors: {
  custom: {
    50: '#98a0e1',
    500: '#667bd3',
    950: '#000000',
  },
}

SCSS

$custom: #667bd3;
$custom-light: #98a0e1;
$custom-dark: #000000;

JSON

{
  "hex": "#667bd3",
  "rgb": {
    "r": 102,
    "g": 123,
    "b": 211
  },
  "hsl": {
    "h": 228.44,
    "s": 55.33,
    "l": 61.373
  },
  "oklch": {
    "l": 0.60706,
    "c": 0.13567,
    "h": 271.7
  },
  "luminance": 0.21694
}

Semantic roles & 50–950 ramp

primary

#667BD3

secondary

#DFD7B6

accent

#A423C3

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #667BD3

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

Preview Lab → · Contrast checker → · Palette generator →