#665FDC#665FDC

#665FDC is a mid, vivid blue. Relative luminance 0.162; OKLCH L 56.0% C 0.185 H 281.1°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#665FDC
RGB	rgb(102, 95, 220)
HSL	hsl(243, 64%, 62%)
HSV	hsv(243, 57%, 86%)
CMYK	cmyk(53.6%, 56.8%, 0%, 13.7%)
CIE-LAB	lab(47.20, 36.81, -63.34)
CIE-LCH	lch(47.20, 73.26, 300.16°)
OKLab	oklab(55.98% 0.0357 -0.1814)
OKLCH	oklch(55.98% 0.185 281.1)
XYZ	xyz(22.4860, 16.1751, 69.6335)
Luminance	0.1618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FDC #D5DC5F

analogous

#5F97DC #665FDC #A55FDC

triadic

#665FDC #DC665F #5FDC66

tetradic

#665FDC #DC5F97 #D5DC5F #5FDCA5

square

#665FDC #DC5F97 #D5DC5F #5FDCA5

split-complementary

#665FDC #DCA55F #97DC5F

monochromatic

#29239E #372ED0 #665FDC #9691E7 #C6C3F2

Accessibility & contrast

On white

4.96

#665FDC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#665FDC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FDC

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FDC	#FFFFFF	#000000	##FFFFFF
##665FDC	1.00	4.96	4.24	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074E0

Deuteranopia (green-blind)

#006BD9

Tritanopia (blue-blind)

#307C94

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #665fdc;
/* rgb */ color: rgb(102, 95, 220);
/* oklch */ color: oklch(56.0% 0.185 281.1);

Tailwind

colors: {
  custom: {
    50: '#9b8ce8',
    500: '#665fdc',
    950: '#000000',
  },
}

SCSS

$custom: #665fdc;
$custom-light: #9b8ce8;
$custom-dark: #000000;

JSON

{
  "hex": "#665fdc",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 220
  },
  "hsl": {
    "h": 243.36,
    "s": 64.103,
    "l": 61.765
  },
  "oklch": {
    "l": 0.55983,
    "c": 0.18491,
    "h": 281.1
  },
  "luminance": 0.16177
}

Semantic roles & 50–950 ramp

primary

#665FDC

secondary

#E0E3B4

accent

#CC1AC2

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #665FDC

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

Preview Lab → · Contrast checker → · Palette generator →