#665EC7#665EC7

#665EC7 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.3% C 0.158 H 283.2°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#665EC7
RGB	rgb(102, 94, 199)
HSL	hsl(245, 48%, 57%)
HSV	hsv(245, 53%, 78%)
CMYK	cmyk(48.7%, 52.8%, 0%, 22%)
CIE-LAB	lab(45.57, 30.95, -53.96)
CIE-LCH	lch(45.57, 62.21, 299.84°)
OKLab	oklab(54.32% 0.0362 -0.1538)
OKLCH	oklch(54.32% 0.158 283.2)
XYZ	xyz(19.7879, 14.9527, 55.8653)
Luminance	0.1495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665EC7 #BFC75E

analogous

#5E8BC7 #665EC7 #9A5EC7

triadic

#665EC7 #C7665E #5EC766

tetradic

#665EC7 #C75E8B #BFC75E #5EC79A

square

#665EC7 #C75E8B #BFC75E #5EC79A

split-complementary

#665EC7 #C79A5E #8BC75E

monochromatic

#322C7F #443CAC #665EC7 #918BD7 #BCB9E7

Accessibility & contrast

On white

5.26

#665EC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#665EC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665EC7

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665EC7	#FFFFFF	#000000	##FFFFFF
##665EC7	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#286FCB

Deuteranopia (green-blind)

#2168C5

Tritanopia (blue-blind)

#437589

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #665ec7;
/* rgb */ color: rgb(102, 94, 199);
/* oklch */ color: oklch(54.3% 0.158 283.2);

Tailwind

colors: {
  custom: {
    50: '#988cd9',
    500: '#665ec7',
    950: '#000000',
  },
}

SCSS

$custom: #665ec7;
$custom-light: #988cd9;
$custom-dark: #000000;

JSON

{
  "hex": "#665ec7",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 199
  },
  "hsl": {
    "h": 244.571,
    "s": 48.387,
    "l": 57.451
  },
  "oklch": {
    "l": 0.54323,
    "c": 0.15804,
    "h": 283.2
  },
  "luminance": 0.14954
}

Semantic roles & 50–950 ramp

primary

#665EC7

secondary

#D2D6AB

accent

#D850CE

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #665EC7

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

Preview Lab → · Contrast checker → · Palette generator →