#665DE7#665DE7

#665DE7 is a mid, highly saturated blue. Relative luminance 0.164; OKLCH L 56.5% C 0.202 H 280.7°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#665DE7
RGB	rgb(102, 93, 231)
HSL	hsl(244, 74%, 64%)
HSV	hsv(244, 60%, 91%)
CMYK	cmyk(55.8%, 59.7%, 0%, 9.4%)
CIE-LAB	lab(47.52, 41.40, -69.05)
CIE-LCH	lch(47.52, 80.51, 300.95°)
OKLab	oklab(56.47% 0.0374 -0.1982)
OKLCH	oklch(56.47% 0.202 280.7)
XYZ	xyz(23.8131, 16.4215, 77.5006)
Luminance	0.1642 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DE7 #DEE75D

analogous

#5D99E7 #665DE7 #AB5DE7

triadic

#665DE7 #E7665D #5DE766

tetradic

#665DE7 #E75D99 #DEE75D #5DE7AB

square

#665DE7 #E75D99 #DEE75D #5DE7AB

split-complementary

#665DE7 #E7AB5D #99E75D

monochromatic

#241AB0 #3428DF #665DE7 #9892EF #CBC8F7

Accessibility & contrast

On white

4.90

#665DE7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#665DE7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DE7

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DE7	#FFFFFF	#000000	##FFFFFF
##665DE7	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076EC

Deuteranopia (green-blind)

#006CE4

Tritanopia (blue-blind)

#217E99

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #665de7;
/* rgb */ color: rgb(102, 93, 231);
/* oklch */ color: oklch(56.5% 0.202 280.7);

Tailwind

colors: {
  custom: {
    50: '#9c8bf0',
    500: '#665de7',
    950: '#000000',
  },
}

SCSS

$custom: #665de7;
$custom-light: #9c8bf0;
$custom-dark: #000000;

JSON

{
  "hex": "#665de7",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 231
  },
  "hsl": {
    "h": 243.913,
    "s": 74.194,
    "l": 63.529
  },
  "oklch": {
    "l": 0.56465,
    "c": 0.20174,
    "h": 280.7
  },
  "luminance": 0.16423
}

Semantic roles & 50–950 ramp

primary

#665DE7

secondary

#E5E8B7

accent

#D60FC9

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #665DE7

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

Preview Lab → · Contrast checker → · Palette generator →