#6665E9#6665E9

#6665E9 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 58.0% C 0.194 H 278.8°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#6665E9
RGB	rgb(102, 101, 233)
HSL	hsl(240, 75%, 65%)
HSV	hsv(240, 57%, 91%)
CMYK	cmyk(56.2%, 56.7%, 0%, 8.6%)
CIE-LAB	lab(49.51, 37.28, -66.95)
CIE-LCH	lch(49.51, 76.63, 299.11°)
OKLab	oklab(57.98% 0.0297 -0.192)
OKLCH	oklch(57.98% 0.194 278.8)
XYZ	xyz(24.8365, 18.0136, 79.2432)
Luminance	0.1802 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6665E9 #E8E965

analogous

#65A6E9 #6665E9 #A865E9

triadic

#6665E9 #E96665 #65E966

tetradic

#6665E9 #E965A6 #E8E965 #65E9A8

square

#6665E9 #E965A6 #E8E965 #65E9A8

split-complementary

#6665E9 #E9A865 #A6E965

monochromatic

#1C1AB9 #312FE1 #6665E9 #9B9BF1 #D0D0F8

Accessibility & contrast

On white

4.56

#6665E9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#6665E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6665E9

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6665E9	#FFFFFF	#000000	##000000
##6665E9	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007BED

Deuteranopia (green-blind)

#0070E6

Tritanopia (blue-blind)

#1B849D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #6665e9;
/* rgb */ color: rgb(102, 101, 233);
/* oklch */ color: oklch(58.0% 0.194 278.8);

Tailwind

colors: {
  custom: {
    50: '#9c91f1',
    500: '#6665e9',
    950: '#000000',
  },
}

SCSS

$custom: #6665e9;
$custom-light: #9c91f1;
$custom-dark: #000000;

JSON

{
  "hex": "#6665e9",
  "rgb": {
    "r": 102,
    "g": 101,
    "b": 233
  },
  "hsl": {
    "h": 240.455,
    "s": 75,
    "l": 65.49
  },
  "oklch": {
    "l": 0.57979,
    "c": 0.19428,
    "h": 278.8
  },
  "luminance": 0.18015
}

Semantic roles & 50–950 ramp

primary

#6665E9

secondary

#EBEBBF

accent

#D70ED6

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #6665E9

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

Preview Lab → · Contrast checker → · Palette generator →