#665DC7#665DC7

#665DC7 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 54.1% C 0.159 H 283.5°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#665DC7
RGB	rgb(102, 93, 199)
HSL	hsl(245, 49%, 57%)
HSV	hsv(245, 53%, 78%)
CMYK	cmyk(48.7%, 53.3%, 0%, 22%)
CIE-LAB	lab(45.33, 31.56, -54.35)
CIE-LCH	lch(45.33, 62.85, 300.15°)
OKLab	oklab(54.14% 0.0373 -0.155)
OKLCH	oklch(54.14% 0.159 283.5)
XYZ	xyz(19.6996, 14.7760, 55.8358)
Luminance	0.1478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DC7 #BEC75D

analogous

#5D89C7 #665DC7 #9B5DC7

triadic

#665DC7 #C7665D #5DC766

tetradic

#665DC7 #C75D89 #BEC75D #5DC79B

square

#665DC7 #C75D89 #BEC75D #5DC79B

split-complementary

#665DC7 #C79B5D #89C75D

monochromatic

#332C7E #453BAC #665DC7 #918AD7 #BCB8E6

Accessibility & contrast

On white

5.31

#665DC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#665DC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DC7

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DC7	#FFFFFF	#000000	##FFFFFF
##665DC7	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#256FCB

Deuteranopia (green-blind)

#1E68C5

Tritanopia (blue-blind)

#437489

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #665dc7;
/* rgb */ color: rgb(102, 93, 199);
/* oklch */ color: oklch(54.1% 0.159 283.5);

Tailwind

colors: {
  custom: {
    50: '#988bd9',
    500: '#665dc7',
    950: '#000000',
  },
}

SCSS

$custom: #665dc7;
$custom-light: #988bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#665dc7",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 199
  },
  "hsl": {
    "h": 245.094,
    "s": 48.624,
    "l": 57.255
  },
  "oklch": {
    "l": 0.54142,
    "c": 0.15943,
    "h": 283.5
  },
  "luminance": 0.14777
}

Semantic roles & 50–950 ramp

primary

#665DC7

secondary

#D2D5AA

accent

#D850CD

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #665DC7

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

Preview Lab → · Contrast checker → · Palette generator →