#667EE4#667EE4

#667EE4 is a light, vivid blue. Relative luminance 0.233; OKLCH L 62.3% C 0.156 H 271.3°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#667EE4
RGB	rgb(102, 126, 228)
HSL	hsl(229, 70%, 65%)
HSV	hsv(229, 55%, 89%)
CMYK	cmyk(55.3%, 44.7%, 0%, 10.6%)
CIE-LAB	lab(55.43, 20.56, -54.63)
CIE-LCH	lch(55.43, 58.37, 290.63°)
OKLab	oklab(62.33% 0.0035 -0.1555)
OKLCH	oklch(62.33% 0.156 271.3)
XYZ	xyz(26.9393, 23.3460, 76.4704)
Luminance	0.2335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667EE4 #E4CC66

analogous

#66BDE4 #667EE4 #8D66E4

triadic

#667EE4 #E4667E #7EE466

tetradic

#667EE4 #E466BD #E4CC66 #66E48D

square

#667EE4 #E466BD #E4CC66 #66E48D

split-complementary

#667EE4 #E48D66 #BDE466

monochromatic

#1F3BB0 #3252DB #667EE4 #9AAAED #CED6F6

Accessibility & contrast

On white

3.70

#667EE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#667EE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667EE4

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667EE4	#FFFFFF	#000000	##000000
##667EE4	1.00	3.70	5.67	5.67
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#508BE8

Deuteranopia (green-blind)

#4080E2

Tritanopia (blue-blind)

#1D94A6

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #667ee4;
/* rgb */ color: rgb(102, 126, 228);
/* oklch */ color: oklch(62.3% 0.156 271.3);

Tailwind

colors: {
  custom: {
    50: '#9aa3ed',
    500: '#667ee4',
    950: '#000000',
  },
}

SCSS

$custom: #667ee4;
$custom-light: #9aa3ed;
$custom-dark: #000000;

JSON

{
  "hex": "#667ee4",
  "rgb": {
    "r": 102,
    "g": 126,
    "b": 228
  },
  "hsl": {
    "h": 228.571,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.62332,
    "c": 0.15559,
    "h": 271.3
  },
  "luminance": 0.23348
}

Semantic roles & 50–950 ramp

primary

#667EE4

secondary

#E9E0BD

accent

#AE14D2

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0F16

muted

#7F7E84

Preview Lab

Preview with #667EE4

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

Preview Lab → · Contrast checker → · Palette generator →