#665CEE#665CEE

#665CEE is a mid, highly saturated blue. Relative luminance 0.167; OKLCH L 56.8% C 0.212 H 280.3°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#665CEE
RGB	rgb(102, 92, 238)
HSL	hsl(244, 81%, 65%)
HSV	hsv(244, 61%, 93%)
CMYK	cmyk(57.1%, 61.3%, 0%, 6.7%)
CIE-LAB	lab(47.82, 44.15, -72.51)
CIE-LCH	lch(47.82, 84.89, 301.34°)
OKLab	oklab(56.84% 0.038 -0.2084)
OKLCH	oklch(56.84% 0.212 280.3)
XYZ	xyz(24.7344, 16.6504, 82.7828)
Luminance	0.1665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665CEE #E4EE5C

analogous

#5C9BEE #665CEE #AF5CEE

triadic

#665CEE #EE665C #5CEE66

tetradic

#665CEE #EE5C9B #E4EE5C #5CEEAF

square

#665CEE #EE5C9B #E4EE5C #5CEEAF

split-complementary

#665CEE #EEAF5C #9BEE5C

monochromatic

#1F14BC #3225E8 #665CEE #9A93F4 #CECBFA

Accessibility & contrast

On white

4.85

#665CEE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#665CEE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665CEE

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665CEE	#FFFFFF	#000000	##FFFFFF
##665CEE	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077F3

Deuteranopia (green-blind)

#006CEB

Tritanopia (blue-blind)

#11809C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #665cee;
/* rgb */ color: rgb(102, 92, 238);
/* oklch */ color: oklch(56.8% 0.212 280.3);

Tailwind

colors: {
  custom: {
    50: '#9e8bf5',
    500: '#665cee',
    950: '#000000',
  },
}

SCSS

$custom: #665cee;
$custom-light: #9e8bf5;
$custom-dark: #000000;

JSON

{
  "hex": "#665cee",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 238
  },
  "hsl": {
    "h": 244.11,
    "s": 81.111,
    "l": 64.706
  },
  "oklch": {
    "l": 0.56843,
    "c": 0.21185,
    "h": 280.3
  },
  "luminance": 0.16652
}

Semantic roles & 50–950 ramp

primary

#665CEE

secondary

#E9ECBA

accent

#DD08CF

background

#FAF8FF

surface

#F4F0FE

border

#CECBD6

text

#100C17

muted

#7F7D85

Preview Lab

Preview with #665CEE

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

Preview Lab → · Contrast checker → · Palette generator →