#3F65AD#3F65AD

#3F65AD is a mid, vivid blue. Relative luminance 0.134; OKLCH L 51.5% C 0.122 H 262.0°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#3F65AD
RGB	rgb(63, 101, 173)
HSL	hsl(219, 47%, 46%)
HSV	hsv(219, 64%, 68%)
CMYK	cmyk(63.6%, 41.6%, 0%, 32.2%)
CIE-LAB	lab(43.33, 9.85, -42.55)
CIE-LCH	lch(43.33, 43.68, 283.03°)
OKLab	oklab(51.46% -0.017 -0.1212)
OKLCH	oklch(51.46% 0.122 262)
XYZ	xyz(14.2438, 13.3799, 41.3590)
Luminance	0.1338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F65AD #AD873F

analogous

#3F9CAD #3F65AD #503FAD

triadic

#3F65AD #AD3F65 #65AD3F

tetradic

#3F65AD #AD3F9C #AD873F #3FAD50

square

#3F65AD #AD3F9C #AD873F #3FAD50

split-complementary

#3F65AD #AD503F #9CAD3F

monochromatic

#1E3153 #2F4B80 #3F65AD #6385C6 #90A8D7

Accessibility & contrast

On white

5.71

#3F65AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#3F65AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F65AD

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F65AD	#FFFFFF	#000000	##FFFFFF
##3F65AD	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#456CB0

Deuteranopia (green-blind)

#3562AB

Tritanopia (blue-blind)

#007580

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3f65ad;
/* rgb */ color: rgb(63, 101, 173);
/* oklch */ color: oklch(51.5% 0.122 262.0);

Tailwind

colors: {
  custom: {
    50: '#7f90c6',
    500: '#3f65ad',
    950: '#000000',
  },
}

SCSS

$custom: #3f65ad;
$custom-light: #7f90c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f65ad",
  "rgb": {
    "r": 63,
    "g": 101,
    "b": 173
  },
  "hsl": {
    "h": 219.273,
    "s": 46.61,
    "l": 46.275
  },
  "oklch": {
    "l": 0.51461,
    "c": 0.12236,
    "h": 262
  },
  "luminance": 0.13381
}

Semantic roles & 50–950 ramp

primary

#3F65AD

secondary

#C2AD86

accent

#A852D6

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3F65AD

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

Preview Lab → · Contrast checker → · Palette generator →