#667FF5#667FF5

#667FF5 is a light, vivid blue. Relative luminance 0.246; OKLCH L 63.6% C 0.178 H 271.5°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX#667FF5
RGBrgb(102, 127, 245)
HSLhsl(230, 88%, 68%)
HSVhsv(230, 58%, 96%)
CMYKcmyk(58.4%, 48.2%, 0%, 3.9%)
CIE-LABlab(56.68, 25.44, -62.08)
CIE-LCHlch(56.68, 67.09, 292.28°)
OKLaboklab(63.6% 0.0047 -0.1774)
OKLCHoklch(63.6% 0.178 271.5)
XYZxyz(29.5448, 24.5938, 89.5586)
Luminance0.2460 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#667FF5 #F5DC66
analogous
#66C7F5 #667FF5 #9466F5
triadic
#667FF5 #F5667F #7FF566
tetradic
#667FF5 #F566C7 #F5DC66 #66F594
square
#667FF5 #F566C7 #F5DC66 #66F594
split-complementary
#667FF5 #F59466 #C7F566
monochromatic
#0E30D3 #2D4FF1 #667FF5 #9FAFF9 #D9DFFD

Accessibility & contrast

On white

3.55
#667FF5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.92
#667FF5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667FF5
5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##667FF5#FFFFFF#000000##000000
##667FF51.003.555.925.92
#FFFFFF3.551.0021.0021.00
#0000005.9221.001.001.00
##0000005.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#438FF9
Deuteranopia (green-blind)
#2A82F3
Tritanopia (blue-blind)
#009AAE
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #667ff5;
/* rgb */ color: rgb(102, 127, 245);
/* oklch */ color: oklch(63.6% 0.178 271.5);
Tailwind
colors: {
  custom: {
    50: '#9da3f9',
    500: '#667ff5',
    950: '#000000',
  },
}
SCSS
$custom: #667ff5;
$custom-light: #9da3f9;
$custom-dark: #000000;
JSON
{
  "hex": "#667ff5",
  "rgb": {
    "r": 102,
    "g": 127,
    "b": 245
  },
  "hsl": {
    "h": 229.51,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.63604,
    "c": 0.17751,
    "h": 271.5
  },
  "luminance": 0.24596
}

Semantic roles & 50–950 ramp

primary
#667FF5
secondary
#F1EAC6
accent
#BD01E4
background
#FAFAFF
surface
#F4F3FF
border
#CECDD7
text
#0F0F17
muted
#7F7F85

Preview Lab

Preview with #667FF5

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

Preview Lab → · Contrast checker → · Palette generator →

#667FF5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva