#665FEE#665FEE

#665FEE is a mid, highly saturated blue. Relative luminance 0.172; OKLCH L 57.3% C 0.208 H 279.7°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#665FEE
RGB	rgb(102, 95, 238)
HSL	hsl(243, 81%, 65%)
HSV	hsv(243, 60%, 93%)
CMYK	cmyk(57.1%, 60.1%, 0%, 6.7%)
CIE-LAB	lab(48.49, 42.40, -71.42)
CIE-LCH	lch(48.49, 83.06, 300.69°)
OKLab	oklab(57.33% 0.0352 -0.2052)
OKLCH	oklch(57.33% 0.208 279.7)
XYZ	xyz(24.9994, 17.1805, 82.8712)
Luminance	0.1718 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FEE #E7EE5F

analogous

#5F9FEE #665FEE #AD5FEE

triadic

#665FEE #EE665F #5FEE66

tetradic

#665FEE #EE5F9F #E7EE5F #5FEEAD

square

#665FEE #EE5F9F #E7EE5F #5FEEAD

split-complementary

#665FEE #EEAD5F #9FEE5F

monochromatic

#1D14BE #3128E8 #665FEE #9B96F4 #D0CEFA

Accessibility & contrast

On white

4.73

#665FEE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#665FEE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FEE

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FEE	#FFFFFF	#000000	##FFFFFF
##665FEE	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0079F3

Deuteranopia (green-blind)

#006EEB

Tritanopia (blue-blind)

#10829E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #665fee;
/* rgb */ color: rgb(102, 95, 238);
/* oklch */ color: oklch(57.3% 0.208 279.7);

Tailwind

colors: {
  custom: {
    50: '#9d8df4',
    500: '#665fee',
    950: '#000000',
  },
}

SCSS

$custom: #665fee;
$custom-light: #9d8df4;
$custom-dark: #000000;

JSON

{
  "hex": "#665fee",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 238
  },
  "hsl": {
    "h": 242.937,
    "s": 80.791,
    "l": 65.294
  },
  "oklch": {
    "l": 0.57334,
    "c": 0.20821,
    "h": 279.7
  },
  "luminance": 0.17182
}

Semantic roles & 50–950 ramp

primary

#665FEE

secondary

#EAECBC

accent

#DD08D3

background

#FAF8FF

surface

#F4F0FE

border

#CECBD6

text

#100C17

muted

#7F7D85

Preview Lab

Preview with #665FEE

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

Preview Lab → · Contrast checker → · Palette generator →