#665FEA#665FEA

#665FEA is a mid, highly saturated blue. Relative luminance 0.170; OKLCH L 57.0% C 0.203 H 280.0°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#665FEA
RGB	rgb(102, 95, 234)
HSL	hsl(243, 77%, 65%)
HSV	hsv(243, 59%, 92%)
CMYK	cmyk(56.4%, 59.4%, 0%, 8.2%)
CIE-LAB	lab(48.19, 41.15, -69.65)
CIE-LCH	lch(48.19, 80.90, 300.58°)
OKLab	oklab(57.03% 0.0354 -0.2)
OKLCH	oklch(57.03% 0.203 280)
XYZ	xyz(24.4183, 16.9481, 79.8105)
Luminance	0.1695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FEA #E3EA5F

analogous

#5F9DEA #665FEA #AC5FEA

triadic

#665FEA #EA665F #5FEA66

tetradic

#665FEA #EA5F9D #E3EA5F #5FEAAC

square

#665FEA #EA5F9D #E3EA5F #5FEAAC

split-complementary

#665FEA #EAAC5F #9DEA5F

monochromatic

#2018B7 #3229E3 #665FEA #9A95F1 #CDCBF8

Accessibility & contrast

On white

4.78

#665FEA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#665FEA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FEA

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FEA	#FFFFFF	#000000	##FFFFFF
##665FEA	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078EF

Deuteranopia (green-blind)

#006DE7

Tritanopia (blue-blind)

#1B809B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #665fea;
/* rgb */ color: rgb(102, 95, 234);
/* oklch */ color: oklch(57.0% 0.203 280.0);

Tailwind

colors: {
  custom: {
    50: '#9d8df2',
    500: '#665fea',
    950: '#000000',
  },
}

SCSS

$custom: #665fea;
$custom-light: #9d8df2;
$custom-dark: #000000;

JSON

{
  "hex": "#665fea",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 234
  },
  "hsl": {
    "h": 243.022,
    "s": 76.796,
    "l": 64.51
  },
  "oklch": {
    "l": 0.57028,
    "c": 0.2031,
    "h": 280
  },
  "luminance": 0.1695
}

Semantic roles & 50–950 ramp

primary

#665FEA

secondary

#E8EABA

accent

#D90CCF

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #665FEA

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

Preview Lab → · Contrast checker → · Palette generator →