#667DDC#667DDC

#667DDC is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.6% C 0.146 H 271.3°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#667DDC
RGB	rgb(102, 125, 220)
HSL	hsl(228, 63%, 63%)
HSV	hsv(228, 54%, 86%)
CMYK	cmyk(53.6%, 43.2%, 0%, 13.7%)
CIE-LAB	lab(54.72, 18.62, -51.27)
CIE-LCH	lch(54.72, 54.55, 289.96°)
OKLab	oklab(61.65% 0.0034 -0.1457)
OKLCH	oklch(61.65% 0.146 271.3)
XYZ	xyz(25.7272, 22.6575, 70.7139)
Luminance	0.2266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667DDC #DCC566

analogous

#66B8DC #667DDC #8A66DC

triadic

#667DDC #DC667D #7DDC66

tetradic

#667DDC #DC66B8 #DCC566 #66DC8A

square

#667DDC #DC66B8 #DCC566 #66DC8A

split-complementary

#667DDC #DC8A66 #B8DC66

monochromatic

#253EA2 #3453D1 #667DDC #98A7E7 #CAD2F3

Accessibility & contrast

On white

3.80

#667DDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#667DDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667DDC

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667DDC	#FFFFFF	#000000	##000000
##667DDC	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5488E0

Deuteranopia (green-blind)

#477EDA

Tritanopia (blue-blind)

#2A92A2

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #667ddc;
/* rgb */ color: rgb(102, 125, 220);
/* oklch */ color: oklch(61.6% 0.146 271.3);

Tailwind

colors: {
  custom: {
    50: '#99a2e7',
    500: '#667ddc',
    950: '#000000',
  },
}

SCSS

$custom: #667ddc;
$custom-light: #99a2e7;
$custom-dark: #000000;

JSON

{
  "hex": "#667ddc",
  "rgb": {
    "r": 102,
    "g": 125,
    "b": 220
  },
  "hsl": {
    "h": 228.305,
    "s": 62.766,
    "l": 63.137
  },
  "oklch": {
    "l": 0.61646,
    "c": 0.14575,
    "h": 271.3
  },
  "luminance": 0.22659
}

Semantic roles & 50–950 ramp

primary

#667DDC

secondary

#E4DCBA

accent

#A81BCB

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0F0F16

muted

#7E7E84

Preview Lab

Preview with #667DDC

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

Preview Lab → · Contrast checker → · Palette generator →