#665DAF#665DAF

#665DAF is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.6% C 0.126 H 286.2°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#665DAF
RGB	rgb(102, 93, 175)
HSL	hsl(247, 34%, 53%)
HSV	hsv(247, 47%, 69%)
CMYK	cmyk(41.7%, 46.9%, 0%, 31.4%)
CIE-LAB	lab(43.87, 24.37, -42.71)
CIE-LCH	lch(43.87, 49.17, 299.71°)
OKLab	oklab(52.58% 0.0352 -0.1208)
OKLCH	oklch(52.58% 0.126 286.2)
XYZ	xyz(17.1295, 13.7480, 42.3002)
Luminance	0.1375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DAF #A6AF5D

analogous

#5D7DAF #665DAF #8F5DAF

triadic

#665DAF #AF665D #5DAF66

tetradic

#665DAF #AF5D7D #A6AF5D #5DAF8F

square

#665DAF #AF5D7D #A6AF5D #5DAF8F

split-complementary

#665DAF #AF8F5D #7DAF5D

monochromatic

#363061 #4C448A #665DAF #8D86C3 #B3AFD7

Accessibility & contrast

On white

5.60

#665DAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#665DAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DAF

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DAF	#FFFFFF	#000000	##FFFFFF
##665DAF	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E6AB2

Deuteranopia (green-blind)

#3C65AD

Tritanopia (blue-blind)

#516E7D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #665daf;
/* rgb */ color: rgb(102, 93, 175);
/* oklch */ color: oklch(52.6% 0.126 286.2);

Tailwind

colors: {
  custom: {
    50: '#958bc7',
    500: '#665daf',
    950: '#000000',
  },
}

SCSS

$custom: #665daf;
$custom-light: #958bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#665daf",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 175
  },
  "hsl": {
    "h": 246.585,
    "s": 33.884,
    "l": 52.549
  },
  "oklch": {
    "l": 0.5258,
    "c": 0.12585,
    "h": 286.2
  },
  "luminance": 0.13749
}

Semantic roles & 50–950 ramp

primary

#665DAF

secondary

#C2C6A2

accent

#CA5EBE

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0E0C13

muted

#7E7D82

Preview Lab

Preview with #665DAF

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

Preview Lab → · Contrast checker → · Palette generator →