#667CE4#667CE4

#667CE4 is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.9% C 0.158 H 272.1°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#667CE4
RGB	rgb(102, 124, 228)
HSL	hsl(230, 70%, 65%)
HSV	hsv(230, 55%, 89%)
CMYK	cmyk(55.3%, 45.6%, 0%, 10.6%)
CIE-LAB	lab(54.91, 21.77, -55.46)
CIE-LCH	lch(54.91, 59.58, 291.44°)
OKLab	oklab(61.94% 0.0057 -0.158)
OKLCH	oklch(61.94% 0.158 272.1)
XYZ	xyz(26.6862, 22.8396, 76.3860)
Luminance	0.2284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667CE4 #E4CE66

analogous

#66BBE4 #667CE4 #8F66E4

triadic

#667CE4 #E4667C #7CE466

tetradic

#667CE4 #E466BB #E4CE66 #66E48F

square

#667CE4 #E466BB #E4CE66 #66E48F

split-complementary

#667CE4 #E48F66 #BBE466

monochromatic

#1F39B0 #324FDB #667CE4 #9AA9ED #CED5F6

Accessibility & contrast

On white

3.77

#667CE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#667CE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667CE4

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667CE4	#FFFFFF	#000000	##000000
##667CE4	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D89E8

Deuteranopia (green-blind)

#3C7EE2

Tritanopia (blue-blind)

#1E93A5

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #667ce4;
/* rgb */ color: rgb(102, 124, 228);
/* oklch */ color: oklch(61.9% 0.158 272.1);

Tailwind

colors: {
  custom: {
    50: '#9aa1ed',
    500: '#667ce4',
    950: '#000000',
  },
}

SCSS

$custom: #667ce4;
$custom-light: #9aa1ed;
$custom-dark: #000000;

JSON

{
  "hex": "#667ce4",
  "rgb": {
    "r": 102,
    "g": 124,
    "b": 228
  },
  "hsl": {
    "h": 229.524,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.61936,
    "c": 0.15811,
    "h": 272.1
  },
  "luminance": 0.22842
}

Semantic roles & 50–950 ramp

primary

#667CE4

secondary

#E9E1BD

accent

#B114D2

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E16

muted

#7F7E84

Preview Lab

Preview with #667CE4

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

Preview Lab → · Contrast checker → · Palette generator →