#665ABC#665ABC

#665ABC is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.9% C 0.149 H 285.7°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX#665ABC
RGBrgb(102, 90, 188)
HSLhsl(247, 42%, 55%)
HSVhsv(247, 52%, 74%)
CMYKcmyk(45.7%, 52.1%, 0%, 26.3%)
CIE-LABlab(43.90, 30.07, -50.27)
CIE-LCHlch(43.90, 58.58, 300.88°)
OKLaboklab(52.85% 0.0402 -0.143)
OKLCHoklch(52.85% 0.149 285.7)
XYZxyz(18.2101, 13.7672, 49.2650)
Luminance0.1377 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#665ABC #B0BC5A
analogous
#5A7FBC #665ABC #975ABC
triadic
#665ABC #BC665A #5ABC66
tetradic
#665ABC #BC5A7F #B0BC5A #5ABC97
square
#665ABC #BC5A7F #B0BC5A #5ABC97
split-complementary
#665ABC #BC975A #7FBC5A
monochromatic
#352D6F #4A3F9A #665ABC #8E86CE #B7B1DF

Accessibility & contrast

On white

5.59
#665ABC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.75
#665ABC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665ABC
5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##665ABC#FFFFFF#000000##FFFFFF
##665ABC1.005.593.755.59
#FFFFFF5.591.0021.001.00
#0000003.7521.001.0021.00
##FFFFFF5.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2C6ABF
Deuteranopia (green-blind)
#2965BA
Tritanopia (blue-blind)
#4A6F82
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #665abc;
/* rgb */ color: rgb(102, 90, 188);
/* oklch */ color: oklch(52.9% 0.149 285.7);
Tailwind
colors: {
  custom: {
    50: '#9789d1',
    500: '#665abc',
    950: '#000000',
  },
}
SCSS
$custom: #665abc;
$custom-light: #9789d1;
$custom-dark: #000000;
JSON
{
  "hex": "#665abc",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 188
  },
  "hsl": {
    "h": 247.347,
    "s": 42.241,
    "l": 54.51
  },
  "oklch": {
    "l": 0.52851,
    "c": 0.14857,
    "h": 285.7
  },
  "luminance": 0.13768
}

Semantic roles & 50–950 ramp

primary
#665ABC
secondary
#C9CEA4
accent
#D256C3
background
#F9F8FC
surface
#F2F0F9
border
#CCCBD2
text
#0E0B14
muted
#7E7C82

Preview Lab

Preview with #665ABC

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

Preview Lab → · Contrast checker → · Palette generator →

#665ABC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva