#668BB8#668BB8

#668BB8 is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.7% C 0.080 H 253.8°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX#668BB8
RGBrgb(102, 139, 184)
HSLhsl(213, 37%, 56%)
HSVhsv(213, 45%, 72%)
CMYKcmyk(44.6%, 24.5%, 0%, 27.8%)
CIE-LABlab(56.83, -0.72, -27.57)
CIE-LCHlch(56.83, 27.58, 268.50°)
OKLaboklab(62.72% -0.0223 -0.0768)
OKLCHoklch(62.72% 0.08 253.8)
XYZxyz(23.3610, 24.7492, 48.8842)
Luminance0.2475 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668BB8 #B89366
analogous
#66B4B8 #668BB8 #6A66B8
triadic
#668BB8 #B8668B #8BB866
tetradic
#668BB8 #B866B4 #B89366 #66B86A
square
#668BB8 #B866B4 #B89366 #66B86A
split-complementary
#668BB8 #B86A66 #B4B866
monochromatic
#344F70 #476C9A #668BB8 #90ABCB #BACADF

Accessibility & contrast

On white

3.53
#668BB8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.95
#668BB8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BB8
5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668BB8#FFFFFF#000000##000000
##668BB81.003.535.955.95
#FFFFFF3.531.0021.0021.00
#0000005.9521.001.001.00
##0000005.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7A8DBA
Deuteranopia (green-blind)
#7085B7
Tritanopia (blue-blind)
#46959A
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #668bb8;
/* rgb */ color: rgb(102, 139, 184);
/* oklch */ color: oklch(62.7% 0.080 253.8);
Tailwind
colors: {
  custom: {
    50: '#95accd',
    500: '#668bb8',
    950: '#000000',
  },
}
SCSS
$custom: #668bb8;
$custom-light: #95accd;
$custom-dark: #000000;
JSON
{
  "hex": "#668bb8",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 184
  },
  "hsl": {
    "h": 212.927,
    "s": 36.607,
    "l": 56.078
  },
  "oklch": {
    "l": 0.62718,
    "c": 0.07999,
    "h": 253.8
  },
  "luminance": 0.24751
}

Semantic roles & 50–950 ramp

primary
#668BB8
secondary
#CEBFAC
accent
#995BCD
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1013
muted
#7E7F82

Preview Lab

Preview with #668BB8

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

Preview Lab → · Contrast checker → · Palette generator →

#668BB8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva