#667EA1#667EA1

#667EA1 is a mid, moderate blue. Relative luminance 0.203; OKLCH L 58.8% C 0.061 H 257.7°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX#667EA1
RGBrgb(102, 126, 161)
HSLhsl(216, 24%, 52%)
HSVhsv(216, 37%, 63%)
CMYKcmyk(36.6%, 21.7%, 0%, 36.9%)
CIE-LABlab(52.20, 0.30, -21.50)
CIE-LCHlch(52.20, 21.50, 270.80°)
OKLaboklab(58.78% -0.0129 -0.0595)
OKLCHoklch(58.78% 0.061 257.7)
XYZxyz(19.3714, 20.3188, 36.6125)
Luminance0.2032 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#667EA1 #A18966
analogous
#669CA1 #667EA1 #6C66A1
triadic
#667EA1 #A1667E #7EA166
tetradic
#667EA1 #A1669C #A18966 #66A16C
square
#667EA1 #A1669C #A18966 #66A16C
split-complementary
#667EA1 #A16C66 #9CA166
monochromatic
#364357 #4D607D #667EA1 #8C9EB8 #B2BED0

Accessibility & contrast

On white

4.15
#667EA1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.06
#667EA1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667EA1
5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##667EA1#FFFFFF#000000##000000
##667EA11.004.155.065.06
#FFFFFF4.151.0021.0021.00
#0000005.0621.001.001.00
##0000005.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7280A3
Deuteranopia (green-blind)
#6B7AA0
Tritanopia (blue-blind)
#53858A
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #667ea1;
/* rgb */ color: rgb(102, 126, 161);
/* oklch */ color: oklch(58.8% 0.061 257.7);
Tailwind
colors: {
  custom: {
    50: '#93a3bd',
    500: '#667ea1',
    950: '#000000',
  },
}
SCSS
$custom: #667ea1;
$custom-light: #93a3bd;
$custom-dark: #000000;
JSON
{
  "hex": "#667ea1",
  "rgb": {
    "r": 102,
    "g": 126,
    "b": 161
  },
  "hsl": {
    "h": 215.593,
    "s": 23.887,
    "l": 51.569
  },
  "oklch": {
    "l": 0.58776,
    "c": 0.06085,
    "h": 257.7
  },
  "luminance": 0.2032
}

Semantic roles & 50–950 ramp

primary
#667EA1
secondary
#BEB4A4
accent
#9C67C0
background
#F9FAFB
surface
#F1F3F6
border
#CBCDD0
text
#0D0F12
muted
#7E7F81

Preview Lab

Preview with #667EA1

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

Preview Lab → · Contrast checker → · Palette generator →

#667EA1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva