#665ADB#665ADB

#665ADB is a mid, vivid blue. Relative luminance 0.153; OKLCH L 55.1% C 0.190 H 282.4°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX#665ADB
RGBrgb(102, 90, 219)
HSLhsl(246, 64%, 61%)
HSVhsv(246, 59%, 86%)
CMYKcmyk(53.4%, 58.9%, 0%, 14.1%)
CIE-LABlab(45.98, 39.48, -64.76)
CIE-LCHlch(45.98, 75.85, 301.37°)
OKLaboklab(55.05% 0.0407 -0.1856)
OKLCHoklch(55.05% 0.19 282.4)
XYZxyz(21.9179, 15.2503, 68.7928)
Luminance0.1525 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#665ADB #CFDB5A
analogous
#5A8FDB #665ADB #A65ADB
triadic
#665ADB #DB665A #5ADB66
tetradic
#665ADB #DB5A8F #CFDB5A #5ADBA6
square
#665ADB #DB5A8F #CFDB5A #5ADBA6
split-complementary
#665ADB #DBA65A #8FDB5A
monochromatic
#2D2199 #3B2CCB #665ADB #958CE6 #C3BEF1

Accessibility & contrast

On white

5.18
#665ADB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.05
#665ADB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665ADB
5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##665ADB#FFFFFF#000000##FFFFFF
##665ADB1.005.184.055.18
#FFFFFF5.181.0021.001.00
#0000004.0521.001.0021.00
##FFFFFF5.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0071DF
Deuteranopia (green-blind)
#0068D8
Tritanopia (blue-blind)
#327892
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #665adb;
/* rgb */ color: rgb(102, 90, 219);
/* oklch */ color: oklch(55.1% 0.190 282.4);
Tailwind
colors: {
  custom: {
    50: '#9b89e7',
    500: '#665adb',
    950: '#000000',
  },
}
SCSS
$custom: #665adb;
$custom-light: #9b89e7;
$custom-dark: #000000;
JSON
{
  "hex": "#665adb",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 219
  },
  "hsl": {
    "h": 245.581,
    "s": 64.179,
    "l": 60.588
  },
  "oklch": {
    "l": 0.55054,
    "c": 0.19007,
    "h": 282.4
  },
  "luminance": 0.15252
}

Semantic roles & 50–950 ramp

primary
#665ADB
secondary
#DCE1B0
accent
#CC1ABB
background
#FAF8FE
surface
#F4F0FD
border
#CECBD5
text
#0F0B16
muted
#7F7C84

Preview Lab

Preview with #665ADB

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

Preview Lab → · Contrast checker → · Palette generator →

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