#3F61AE#3F61AE

#3F61AE is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.6% C 0.129 H 264.4°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#3F61AE
RGB	rgb(63, 97, 174)
HSL	hsl(222, 47%, 46%)
HSV	hsv(222, 64%, 68%)
CMYK	cmyk(63.8%, 44.3%, 0%, 31.8%)
CIE-LAB	lab(42.25, 12.75, -44.86)
CIE-LCH	lch(42.25, 46.64, 285.87°)
OKLab	oklab(50.65% -0.0126 -0.128)
OKLCH	oklch(50.65% 0.129 264.4)
XYZ	xyz(13.9619, 12.6609, 41.7442)
Luminance	0.1266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F61AE #AE8C3F

analogous

#3F99AE #3F61AE #553FAE

triadic

#3F61AE #AE3F61 #61AE3F

tetradic

#3F61AE #AE3F99 #AE8C3F #3FAE55

square

#3F61AE #AE3F99 #AE8C3F #3FAE55

split-complementary

#3F61AE #AE553F #99AE3F

monochromatic

#1E2F54 #2F4881 #3F61AE #6482C7 #90A6D7

Accessibility & contrast

On white

5.94

#3F61AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#3F61AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F61AE

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F61AE	#FFFFFF	#000000	##FFFFFF
##3F61AE	1.00	5.94	3.53	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D69B1

Deuteranopia (green-blind)

#2B5FAC

Tritanopia (blue-blind)

#00727F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3f61ae;
/* rgb */ color: rgb(63, 97, 174);
/* oklch */ color: oklch(50.6% 0.129 264.4);

Tailwind

colors: {
  custom: {
    50: '#7f8dc6',
    500: '#3f61ae',
    950: '#000000',
  },
}

SCSS

$custom: #3f61ae;
$custom-light: #7f8dc6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f61ae",
  "rgb": {
    "r": 63,
    "g": 97,
    "b": 174
  },
  "hsl": {
    "h": 221.622,
    "s": 46.835,
    "l": 46.471
  },
  "oklch": {
    "l": 0.50646,
    "c": 0.12864,
    "h": 264.4
  },
  "luminance": 0.12662
}

Semantic roles & 50–950 ramp

primary

#3F61AE

secondary

#C2B087

accent

#AE51D6

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3F61AE

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

Preview Lab → · Contrast checker → · Palette generator →