#665FCE#665FCE

#665FCE is a mid, vivid blue. Relative luminance 0.155; OKLCH L 55.0% C 0.166 H 282.3°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#665FCE
RGB	rgb(102, 95, 206)
HSL	hsl(244, 53%, 59%)
HSV	hsv(244, 54%, 81%)
CMYK	cmyk(50.5%, 53.9%, 0%, 19.2%)
CIE-LAB	lab(46.26, 32.49, -56.87)
CIE-LCH	lch(46.26, 65.49, 299.74°)
OKLab	oklab(54.99% 0.0354 -0.1624)
OKLCH	oklch(54.99% 0.166 282.3)
XYZ	xyz(20.7089, 15.4643, 60.2743)
Luminance	0.1547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FCE #C7CE5F

analogous

#5F90CE #665FCE #9E5FCE

triadic

#665FCE #CE665F #5FCE66

tetradic

#665FCE #CE5F90 #C7CE5F #5FCE9E

square

#665FCE #CE5F90 #C7CE5F #5FCE9E

split-complementary

#665FCE #CE9E5F #90CE5F

monochromatic

#302A89 #4038B8 #665FCE #938EDC #C0BDEB

Accessibility & contrast

On white

5.13

#665FCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#665FCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FCE

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FCE	#FFFFFF	#000000	##FFFFFF
##665FCE	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2071D2

Deuteranopia (green-blind)

#136ACC

Tritanopia (blue-blind)

#3E788D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #665fce;
/* rgb */ color: rgb(102, 95, 206);
/* oklch */ color: oklch(55.0% 0.166 282.3);

Tailwind

colors: {
  custom: {
    50: '#998cde',
    500: '#665fce',
    950: '#000000',
  },
}

SCSS

$custom: #665fce;
$custom-light: #998cde;
$custom-dark: #000000;

JSON

{
  "hex": "#665fce",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 206
  },
  "hsl": {
    "h": 243.784,
    "s": 53.11,
    "l": 59.02
  },
  "oklch": {
    "l": 0.54986,
    "c": 0.1662,
    "h": 282.3
  },
  "luminance": 0.15465
}

Semantic roles & 50–950 ramp

primary

#665FCE

secondary

#D7DAAF

accent

#DD4BD3

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #665FCE

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

Preview Lab → · Contrast checker → · Palette generator →