#3F61AF#3F61AF

#3F61AF is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.7% C 0.130 H 264.5°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#3F61AF
RGB	rgb(63, 97, 175)
HSL	hsl(222, 47%, 47%)
HSV	hsv(222, 64%, 69%)
CMYK	cmyk(64%, 44.6%, 0%, 31.4%)
CIE-LAB	lab(42.31, 13.11, -45.36)
CIE-LCH	lch(42.31, 47.21, 286.12°)
OKLab	oklab(50.71% -0.0124 -0.1295)
OKLCH	oklch(50.71% 0.13 264.5)
XYZ	xyz(14.0598, 12.7000, 42.2595)
Luminance	0.1270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F61AF #AF8D3F

analogous

#3F99AF #3F61AF #553FAF

triadic

#3F61AF #AF3F61 #61AF3F

tetradic

#3F61AF #AF3F99 #AF8D3F #3FAF55

square

#3F61AF #AF3F99 #AF8D3F #3FAF55

split-complementary

#3F61AF #AF553F #99AF3F

monochromatic

#1F2F55 #2F4882 #3F61AF #6482C7 #91A6D7

Accessibility & contrast

On white

5.93

#3F61AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#3F61AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F61AF

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F61AF	#FFFFFF	#000000	##FFFFFF
##3F61AF	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C69B2

Deuteranopia (green-blind)

#2A5FAD

Tritanopia (blue-blind)

#00737F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3f61af;
/* rgb */ color: rgb(63, 97, 175);
/* oklch */ color: oklch(50.7% 0.130 264.5);

Tailwind

colors: {
  custom: {
    50: '#7f8dc7',
    500: '#3f61af',
    950: '#000000',
  },
}

SCSS

$custom: #3f61af;
$custom-light: #7f8dc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f61af",
  "rgb": {
    "r": 63,
    "g": 97,
    "b": 175
  },
  "hsl": {
    "h": 221.786,
    "s": 47.059,
    "l": 46.667
  },
  "oklch": {
    "l": 0.50711,
    "c": 0.13006,
    "h": 264.5
  },
  "luminance": 0.12701
}

Semantic roles & 50–950 ramp

primary

#3F61AF

secondary

#C3B187

accent

#AE51D7

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3F61AF

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

Preview Lab → · Contrast checker → · Palette generator →