#665EFF#665EFF

#665EFF is a mid, highly saturated blue. Relative luminance 0.180; OKLCH L 58.5% C 0.231 H 278.7°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#665EFF
RGB	rgb(102, 94, 255)
HSL	hsl(243, 100%, 68%)
HSV	hsv(243, 63%, 100%)
CMYK	cmyk(60%, 63.1%, 0%, 0%)
CIE-LAB	lab(49.55, 48.24, -79.17)
CIE-LCH	lch(49.55, 92.71, 301.36°)
OKLab	oklab(58.52% 0.035 -0.228)
OKLCH	oklch(58.52% 0.231 278.7)
XYZ	xyz(27.5264, 18.0481, 96.6214)
Luminance	0.1805 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665EFF #F7FF5E

analogous

#5EA6FF #665EFF #B65EFF

triadic

#665EFF #FF665E #5EFF66

tetradic

#665EFF #FF5EA6 #F7FF5E #5EFFB6

square

#665EFF #FF5EA6 #F7FF5E #5EFFB6

split-complementary

#665EFF #FFB65E #A6FF5E

monochromatic

#0B00E3 #2C21FF #665EFF #A09BFF #DAD8FF

Accessibility & contrast

On white

4.56

#665EFF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#665EFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #665EFF

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665EFF	#FFFFFF	#000000	##000000
##665EFF	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007CFF

Deuteranopia (green-blind)

#006FFC

Tritanopia (blue-blind)

#0087A6

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #665eff;
/* rgb */ color: rgb(102, 94, 255);
/* oklch */ color: oklch(58.5% 0.231 278.7);

Tailwind

colors: {
  custom: {
    50: '#a08cff',
    500: '#665eff',
    950: '#000000',
  },
}

SCSS

$custom: #665eff;
$custom-light: #a08cff;
$custom-dark: #000000;

JSON

{
  "hex": "#665eff",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 255
  },
  "hsl": {
    "h": 242.981,
    "s": 100,
    "l": 68.431
  },
  "oklch": {
    "l": 0.58517,
    "c": 0.23063,
    "h": 278.7
  },
  "luminance": 0.1805
}

Semantic roles & 50–950 ramp

primary

#665EFF

secondary

#F2F5C4

accent

#E600DA

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100C18

muted

#7F7D86

Preview Lab

Preview with #665EFF

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

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