#665EE8#665EE8

#665EE8 is a mid, highly saturated blue. Relative luminance 0.167; OKLCH L 56.7% C 0.202 H 280.4°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#665EE8
RGB	rgb(102, 94, 232)
HSL	hsl(243, 75%, 64%)
HSV	hsv(243, 59%, 91%)
CMYK	cmyk(56%, 59.5%, 0%, 9%)
CIE-LAB	lab(47.82, 41.12, -69.13)
CIE-LCH	lch(47.82, 80.43, 300.75°)
OKLab	oklab(56.71% 0.0364 -0.1985)
OKLCH	oklch(56.71% 0.202 280.4)
XYZ	xyz(24.0431, 16.6548, 78.2760)
Luminance	0.1666 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665EE8 #E0E85E

analogous

#5E9BE8 #665EE8 #AB5EE8

triadic

#665EE8 #E8665E #5EE866

tetradic

#665EE8 #E85E9B #E0E85E #5EE8AB

square

#665EE8 #E85E9B #E0E85E #5EE8AB

split-complementary

#665EE8 #E8AB5E #9BE85E

monochromatic

#2219B2 #3328E0 #665EE8 #9994F0 #CCC9F7

Accessibility & contrast

On white

4.85

#665EE8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#665EE8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665EE8

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665EE8	#FFFFFF	#000000	##FFFFFF
##665EE8	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077ED

Deuteranopia (green-blind)

#006CE5

Tritanopia (blue-blind)

#1F7F9A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #665ee8;
/* rgb */ color: rgb(102, 94, 232);
/* oklch */ color: oklch(56.7% 0.202 280.4);

Tailwind

colors: {
  custom: {
    50: '#9d8cf0',
    500: '#665ee8',
    950: '#000000',
  },
}

SCSS

$custom: #665ee8;
$custom-light: #9d8cf0;
$custom-dark: #000000;

JSON

{
  "hex": "#665ee8",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 232
  },
  "hsl": {
    "h": 243.478,
    "s": 75,
    "l": 63.922
  },
  "oklch": {
    "l": 0.56708,
    "c": 0.20177,
    "h": 280.4
  },
  "luminance": 0.16656
}

Semantic roles & 50–950 ramp

primary

#665EE8

secondary

#E6E9B9

accent

#D70ECC

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #665EE8

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

Preview Lab → · Contrast checker → · Palette generator →