#665ACD#665ACD

#665ACD is a mid, vivid blue. Relative luminance 0.145; OKLCH L 54.0% C 0.172 H 283.8°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#665ACD
RGB	rgb(102, 90, 205)
HSL	hsl(246, 53%, 58%)
HSV	hsv(246, 56%, 80%)
CMYK	cmyk(50.2%, 56.1%, 0%, 19.6%)
CIE-LAB	lab(45.00, 35.20, -58.33)
CIE-LCH	lch(45.00, 68.13, 301.11°)
OKLab	oklab(54.03% 0.0409 -0.1667)
OKLCH	oklch(54.03% 0.172 283.8)
XYZ	xyz(20.1518, 14.5438, 59.4912)
Luminance	0.1454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665ACD #C1CD5A

analogous

#5A87CD #665ACD #9F5ACD

triadic

#665ACD #CD665A #5ACD66

tetradic

#665ACD #CD5A87 #C1CD5A #5ACD9F

square

#665ACD #CD5A87 #C1CD5A #5ACD9F

split-complementary

#665ACD #CD9F5A #87CD5A

monochromatic

#322884 #4336B3 #665ACD #9289DB #BDB8E9

Accessibility & contrast

On white

5.37

#665ACD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#665ACD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665ACD

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665ACD	#FFFFFF	#000000	##FFFFFF
##665ACD	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#096ED1

Deuteranopia (green-blind)

#0067CB

Tritanopia (blue-blind)

#3F748B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #665acd;
/* rgb */ color: rgb(102, 90, 205);
/* oklch */ color: oklch(54.0% 0.172 283.8);

Tailwind

colors: {
  custom: {
    50: '#9989dd',
    500: '#665acd',
    950: '#000000',
  },
}

SCSS

$custom: #665acd;
$custom-light: #9989dd;
$custom-dark: #000000;

JSON

{
  "hex": "#665acd",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 205
  },
  "hsl": {
    "h": 246.261,
    "s": 53.488,
    "l": 57.843
  },
  "oklch": {
    "l": 0.54028,
    "c": 0.17165,
    "h": 283.8
  },
  "luminance": 0.14545
}

Semantic roles & 50–950 ramp

primary

#665ACD

secondary

#D4D8AA

accent

#DD4BCE

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0F0B15

muted

#7E7C83

Preview Lab

Preview with #665ACD

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

Preview Lab → · Contrast checker → · Palette generator →