#665ECA#665ECA

#665ECA is a mid, vivid blue. Relative luminance 0.151; OKLCH L 54.5% C 0.162 H 282.9°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#665ECA
RGB	rgb(102, 94, 202)
HSL	hsl(244, 50%, 58%)
HSV	hsv(244, 53%, 79%)
CMYK	cmyk(49.5%, 53.5%, 0%, 20.8%)
CIE-LAB	lab(45.76, 31.87, -55.38)
CIE-LCH	lch(45.76, 63.89, 299.92°)
OKLab	oklab(54.53% 0.0363 -0.158)
OKLCH	oklch(54.53% 0.162 282.9)
XYZ	xyz(20.1397, 15.0934, 57.7178)
Luminance	0.1509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665ECA #C2CA5E

analogous

#5E8CCA #665ECA #9C5ECA

triadic

#665ECA #CA665E #5ECA66

tetradic

#665ECA #CA5E8C #C2CA5E #5ECA9C

square

#665ECA #CA5E8C #C2CA5E #5ECA9C

split-complementary

#665ECA #CA9C5E #8CCA5E

monochromatic

#312B83 #433AB1 #665ECA #928CD9 #BEBAE8

Accessibility & contrast

On white

5.23

#665ECA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#665ECA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665ECA

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665ECA	#FFFFFF	#000000	##FFFFFF
##665ECA	1.00	5.23	4.02	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2370CE

Deuteranopia (green-blind)

#1A69C8

Tritanopia (blue-blind)

#41768B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #665eca;
/* rgb */ color: rgb(102, 94, 202);
/* oklch */ color: oklch(54.5% 0.162 282.9);

Tailwind

colors: {
  custom: {
    50: '#988cdb',
    500: '#665eca',
    950: '#000000',
  },
}

SCSS

$custom: #665eca;
$custom-light: #988cdb;
$custom-dark: #000000;

JSON

{
  "hex": "#665eca",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 202
  },
  "hsl": {
    "h": 244.444,
    "s": 50.467,
    "l": 58.039
  },
  "oklch": {
    "l": 0.54529,
    "c": 0.16213,
    "h": 282.9
  },
  "luminance": 0.15094
}

Semantic roles & 50–950 ramp

primary

#665ECA

secondary

#D4D7AC

accent

#DA4ED0

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #665ECA

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

Preview Lab → · Contrast checker → · Palette generator →