#665DC8#665DC8

#665DC8 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 54.2% C 0.161 H 283.4°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#665DC8
RGB	rgb(102, 93, 200)
HSL	hsl(245, 49%, 57%)
HSV	hsv(245, 54%, 78%)
CMYK	cmyk(49%, 53.5%, 0%, 21.6%)
CIE-LAB	lab(45.39, 31.87, -54.82)
CIE-LCH	lch(45.39, 63.41, 300.17°)
OKLab	oklab(54.21% 0.0374 -0.1564)
OKLCH	oklch(54.21% 0.161 283.4)
XYZ	xyz(19.8160, 14.8226, 56.4493)
Luminance	0.1482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DC8 #BFC85D

analogous

#5D89C8 #665DC8 #9C5DC8

triadic

#665DC8 #C8665D #5DC866

tetradic

#665DC8 #C85D89 #BFC85D #5DC89C

square

#665DC8 #C85D89 #BFC85D #5DC89C

split-complementary

#665DC8 #C89C5D #89C85D

monochromatic

#322B7F #443BAD #665DC8 #918BD8 #BCB8E7

Accessibility & contrast

On white

5.30

#665DC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#665DC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DC8

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DC8	#FFFFFF	#000000	##FFFFFF
##665DC8	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#236FCC

Deuteranopia (green-blind)

#1C68C6

Tritanopia (blue-blind)

#427589

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #665dc8;
/* rgb */ color: rgb(102, 93, 200);
/* oklch */ color: oklch(54.2% 0.161 283.4);

Tailwind

colors: {
  custom: {
    50: '#988bd9',
    500: '#665dc8',
    950: '#000000',
  },
}

SCSS

$custom: #665dc8;
$custom-light: #988bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#665dc8",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 200
  },
  "hsl": {
    "h": 245.047,
    "s": 49.309,
    "l": 57.451
  },
  "oklch": {
    "l": 0.5421,
    "c": 0.1608,
    "h": 283.4
  },
  "luminance": 0.14824
}

Semantic roles & 50–950 ramp

primary

#665DC8

secondary

#D2D6AB

accent

#D94FCD

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #665DC8

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

Preview Lab → · Contrast checker → · Palette generator →