#667BB0#667BB0

#667BB0 is a mid, moderate blue. Relative luminance 0.201; OKLCH L 58.8% C 0.085 H 267.2°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX#667BB0
RGBrgb(102, 123, 176)
HSLhsl(223, 32%, 55%)
HSVhsv(223, 42%, 69%)
CMYKcmyk(42%, 30.1%, 0%, 31%)
CIE-LABlab(51.98, 6.34, -30.52)
CIE-LCHlch(51.98, 31.17, 281.74°)
OKLaboklab(58.81% -0.0041 -0.0853)
OKLCHoklch(58.81% 0.085 267.2)
XYZxyz(20.3965, 20.1242, 43.8755)
Luminance0.2013 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#667BB0 #B09B66
analogous
#66A0B0 #667BB0 #7666B0
triadic
#667BB0 #B0667B #7BB066
tetradic
#667BB0 #B066A0 #B09B66 #66B076
square
#667BB0 #B066A0 #B09B66 #66B076
split-complementary
#667BB0 #B07666 #A0B066
monochromatic
#354367 #4A5D8F #667BB0 #8E9EC5 #B7C1DA

Accessibility & contrast

On white

4.18
#667BB0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.03
#667BB0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667BB0
5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##667BB0#FFFFFF#000000##000000
##667BB01.004.185.035.03
#FFFFFF4.181.0021.0021.00
#0000005.0321.001.001.00
##0000005.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#687FB2
Deuteranopia (green-blind)
#6179AF
Tritanopia (blue-blind)
#4D868E
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #667bb0;
/* rgb */ color: rgb(102, 123, 176);
/* oklch */ color: oklch(58.8% 0.085 267.2);
Tailwind
colors: {
  custom: {
    50: '#95a1c8',
    500: '#667bb0',
    950: '#000000',
  },
}
SCSS
$custom: #667bb0;
$custom-light: #95a1c8;
$custom-dark: #000000;
JSON
{
  "hex": "#667bb0",
  "rgb": {
    "r": 102,
    "g": 123,
    "b": 176
  },
  "hsl": {
    "h": 222.973,
    "s": 31.897,
    "l": 54.51
  },
  "oklch": {
    "l": 0.58814,
    "c": 0.08539,
    "h": 267.2
  },
  "luminance": 0.20125
}

Semantic roles & 50–950 ramp

primary
#667BB0
secondary
#C9C0A9
accent
#AA60C8
background
#F9F9FC
surface
#F2F2F8
border
#CCCCD1
text
#0D0E13
muted
#7E7E82

Preview Lab

Preview with #667BB0

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

Preview Lab → · Contrast checker → · Palette generator →

#667BB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva