#665DBF#665DBF

#665DBF is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.6% C 0.148 H 284.4°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#665DBF
RGB	rgb(102, 93, 191)
HSL	hsl(246, 43%, 56%)
HSV	hsv(246, 51%, 75%)
CMYK	cmyk(46.6%, 51.3%, 0%, 25.1%)
CIE-LAB	lab(44.82, 29.14, -50.53)
CIE-LCH	lch(44.82, 58.33, 299.97°)
OKLab	oklab(53.6% 0.0368 -0.1438)
OKLCH	oklch(53.6% 0.148 284.4)
XYZ	xyz(18.7950, 14.4142, 51.0720)
Luminance	0.1442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DBF #B6BF5D

analogous

#5D85BF #665DBF #975DBF

triadic

#665DBF #BF665D #5DBF66

tetradic

#665DBF #BF5D85 #B6BF5D #5DBF97

square

#665DBF #BF5D85 #B6BF5D #5DBF97

split-complementary

#665DBF #BF975D #85BF5D

monochromatic

#342E74 #483FA0 #665DBF #8F89D0 #B9B5E2

Accessibility & contrast

On white

5.41

#665DBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#665DBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DBF

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DBF	#FFFFFF	#000000	##FFFFFF
##665DBF	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F6DC2

Deuteranopia (green-blind)

#2B67BD

Tritanopia (blue-blind)

#487285

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #665dbf;
/* rgb */ color: rgb(102, 93, 191);
/* oklch */ color: oklch(53.6% 0.148 284.4);

Tailwind

colors: {
  custom: {
    50: '#978bd3',
    500: '#665dbf',
    950: '#000000',
  },
}

SCSS

$custom: #665dbf;
$custom-light: #978bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#665dbf",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 191
  },
  "hsl": {
    "h": 245.51,
    "s": 43.363,
    "l": 55.686
  },
  "oklch": {
    "l": 0.53603,
    "c": 0.14842,
    "h": 284.4
  },
  "luminance": 0.14415
}

Semantic roles & 50–950 ramp

primary

#665DBF

secondary

#CDD0A8

accent

#D355C8

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0C14

muted

#7E7D83

Preview Lab

Preview with #665DBF

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

Preview Lab → · Contrast checker → · Palette generator →