#3F62AF#3F62AF

#3F62AF is a mid, vivid blue. Relative luminance 0.129; OKLCH L 50.9% C 0.129 H 264.0°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#3F62AF
RGB	rgb(63, 98, 175)
HSL	hsl(221, 47%, 47%)
HSV	hsv(221, 64%, 69%)
CMYK	cmyk(64%, 44%, 0%, 31.4%)
CIE-LAB	lab(42.59, 12.47, -44.90)
CIE-LCH	lch(42.59, 46.60, 285.52°)
OKLab	oklab(50.93% -0.0135 -0.1281)
OKLCH	oklch(50.93% 0.129 264)
XYZ	xyz(14.1528, 12.8860, 42.2905)
Luminance	0.1289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F62AF #AF8C3F

analogous

#3F9AAF #3F62AF #543FAF

triadic

#3F62AF #AF3F62 #62AF3F

tetradic

#3F62AF #AF3F9A #AF8C3F #3FAF54

square

#3F62AF #AF3F9A #AF8C3F #3FAF54

split-complementary

#3F62AF #AF543F #9AAF3F

monochromatic

#1F3055 #2F4982 #3F62AF #6483C7 #91A7D7

Accessibility & contrast

On white

5.87

#3F62AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#3F62AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F62AF

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F62AF	#FFFFFF	#000000	##FFFFFF
##3F62AF	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E6AB2

Deuteranopia (green-blind)

#2C60AD

Tritanopia (blue-blind)

#007480

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3f62af;
/* rgb */ color: rgb(63, 98, 175);
/* oklch */ color: oklch(50.9% 0.129 264.0);

Tailwind

colors: {
  custom: {
    50: '#7f8ec7',
    500: '#3f62af',
    950: '#000000',
  },
}

SCSS

$custom: #3f62af;
$custom-light: #7f8ec7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f62af",
  "rgb": {
    "r": 63,
    "g": 98,
    "b": 175
  },
  "hsl": {
    "h": 221.25,
    "s": 47.059,
    "l": 46.667
  },
  "oklch": {
    "l": 0.50929,
    "c": 0.12883,
    "h": 264
  },
  "luminance": 0.12887
}

Semantic roles & 50–950 ramp

primary

#3F62AF

secondary

#C3B087

accent

#AD51D7

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3F62AF

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

Preview Lab → · Contrast checker → · Palette generator →