#665FDE#665FDE

#665FDE is a mid, vivid blue. Relative luminance 0.163; OKLCH L 56.1% C 0.188 H 281.0°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#665FDE
RGB	rgb(102, 95, 222)
HSL	hsl(243, 66%, 62%)
HSV	hsv(243, 57%, 87%)
CMYK	cmyk(54.1%, 57.2%, 0%, 12.9%)
CIE-LAB	lab(47.34, 37.43, -64.25)
CIE-LCH	lch(47.34, 74.36, 300.22°)
OKLab	oklab(56.13% 0.0357 -0.1841)
OKLCH	oklch(56.13% 0.188 281)
XYZ	xyz(22.7524, 16.2817, 71.0368)
Luminance	0.1628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FDE #D7DE5F

analogous

#5F98DE #665FDE #A65FDE

triadic

#665FDE #DE665F #5FDE66

tetradic

#665FDE #DE5F98 #D7DE5F #5FDEA6

square

#665FDE #DE5F98 #D7DE5F #5FDEA6

split-complementary

#665FDE #DEA65F #98DE5F

monochromatic

#2821A1 #352CD4 #665FDE #9792E8 #C7C4F3

Accessibility & contrast

On white

4.93

#665FDE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#665FDE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FDE

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FDE	#FFFFFF	#000000	##FFFFFF
##665FDE	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075E2

Deuteranopia (green-blind)

#006CDB

Tritanopia (blue-blind)

#2E7D95

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #665fde;
/* rgb */ color: rgb(102, 95, 222);
/* oklch */ color: oklch(56.1% 0.188 281.0);

Tailwind

colors: {
  custom: {
    50: '#9b8ce9',
    500: '#665fde',
    950: '#000000',
  },
}

SCSS

$custom: #665fde;
$custom-light: #9b8ce9;
$custom-dark: #000000;

JSON

{
  "hex": "#665fde",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 222
  },
  "hsl": {
    "h": 243.307,
    "s": 65.803,
    "l": 62.157
  },
  "oklch": {
    "l": 0.5613,
    "c": 0.18754,
    "h": 281
  },
  "luminance": 0.16283
}

Semantic roles & 50–950 ramp

primary

#665FDE

secondary

#E1E4B5

accent

#CE18C4

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #665FDE

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

Preview Lab → · Contrast checker → · Palette generator →