#665DE8#665DE8

#665DE8 is a mid, highly saturated blue. Relative luminance 0.165; OKLCH L 56.5% C 0.203 H 280.6°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#665DE8
RGB	rgb(102, 93, 232)
HSL	hsl(244, 75%, 64%)
HSV	hsv(244, 60%, 91%)
CMYK	cmyk(56%, 59.9%, 0%, 9%)
CIE-LAB	lab(47.60, 41.71, -69.49)
CIE-LCH	lch(47.60, 81.05, 300.97°)
OKLab	oklab(56.54% 0.0374 -0.1995)
OKLCH	oklch(56.54% 0.203 280.6)
XYZ	xyz(23.9548, 16.4781, 78.2466)
Luminance	0.1648 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DE8 #DFE85D

analogous

#5D99E8 #665DE8 #AB5DE8

triadic

#665DE8 #E8665D #5DE866

tetradic

#665DE8 #E85D99 #DFE85D #5DE8AB

square

#665DE8 #E85D99 #DFE85D #5DE8AB

split-complementary

#665DE8 #E8AB5D #99E85D

monochromatic

#2319B1 #3327E0 #665DE8 #9993F0 #CBC8F7

Accessibility & contrast

On white

4.89

#665DE8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#665DE8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DE8

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DE8	#FFFFFF	#000000	##FFFFFF
##665DE8	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076ED

Deuteranopia (green-blind)

#006CE5

Tritanopia (blue-blind)

#207F9A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #665de8;
/* rgb */ color: rgb(102, 93, 232);
/* oklch */ color: oklch(56.5% 0.203 280.6);

Tailwind

colors: {
  custom: {
    50: '#9d8bf0',
    500: '#665de8',
    950: '#000000',
  },
}

SCSS

$custom: #665de8;
$custom-light: #9d8bf0;
$custom-dark: #000000;

JSON

{
  "hex": "#665de8",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 232
  },
  "hsl": {
    "h": 243.885,
    "s": 75.135,
    "l": 63.725
  },
  "oklch": {
    "l": 0.56542,
    "c": 0.20302,
    "h": 280.6
  },
  "luminance": 0.1648
}

Semantic roles & 50–950 ramp

primary

#665DE8

secondary

#E6E9B8

accent

#D70ECA

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #665DE8

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

Preview Lab → · Contrast checker → · Palette generator →