#667FE4#667FE4

#667FE4 is a light, vivid blue. Relative luminance 0.236; OKLCH L 62.5% C 0.154 H 270.9°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#667FE4
RGB	rgb(102, 127, 228)
HSL	hsl(228, 70%, 65%)
HSV	hsv(228, 55%, 89%)
CMYK	cmyk(55.3%, 44.3%, 0%, 10.6%)
CIE-LAB	lab(55.69, 19.96, -54.21)
CIE-LCH	lch(55.69, 57.77, 290.21°)
OKLab	oklab(62.53% 0.0024 -0.1543)
OKLCH	oklch(62.53% 0.154 270.9)
XYZ	xyz(27.0678, 23.6030, 76.5132)
Luminance	0.2361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667FE4 #E4CB66

analogous

#66BEE4 #667FE4 #8C66E4

triadic

#667FE4 #E4667F #7FE466

tetradic

#667FE4 #E466BE #E4CB66 #66E48C

square

#667FE4 #E466BE #E4CB66 #66E48C

split-complementary

#667FE4 #E48C66 #BEE466

monochromatic

#1F3CB0 #3253DB #667FE4 #9AABED #CED6F6

Accessibility & contrast

On white

3.67

#667FE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.72

#667FE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667FE4

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667FE4	#FFFFFF	#000000	##000000
##667FE4	1.00	3.67	5.72	5.72
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.72	21.00	1.00	1.00
##000000	5.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#528BE8

Deuteranopia (green-blind)

#4280E2

Tritanopia (blue-blind)

#1C95A6

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #667fe4;
/* rgb */ color: rgb(102, 127, 228);
/* oklch */ color: oklch(62.5% 0.154 270.9);

Tailwind

colors: {
  custom: {
    50: '#9aa3ed',
    500: '#667fe4',
    950: '#000000',
  },
}

SCSS

$custom: #667fe4;
$custom-light: #9aa3ed;
$custom-dark: #000000;

JSON

{
  "hex": "#667fe4",
  "rgb": {
    "r": 102,
    "g": 127,
    "b": 228
  },
  "hsl": {
    "h": 228.095,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.62532,
    "c": 0.15433,
    "h": 270.9
  },
  "luminance": 0.23605
}

Semantic roles & 50–950 ramp

primary

#667FE4

secondary

#E9E0BD

accent

#AC14D2

background

#FAFAFE

surface

#F3F3FD

border

#CDCDD5

text

#0F0F16

muted

#7F7F84

Preview Lab

Preview with #667FE4

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

Preview Lab → · Contrast checker → · Palette generator →