#3F60B7#3F60B7

#3F60B7 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.0% C 0.143 H 265.9°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#3F60B7
RGB	rgb(63, 96, 183)
HSL	hsl(224, 49%, 48%)
HSV	hsv(224, 66%, 72%)
CMYK	cmyk(65.6%, 47.5%, 0%, 28.2%)
CIE-LAB	lab(42.52, 16.61, -49.70)
CIE-LCH	lch(42.52, 52.41, 288.48°)
OKLab	oklab(51.03% -0.0102 -0.1422)
OKLCH	oklch(51.03% 0.143 265.9)
XYZ	xyz(14.7771, 12.8400, 46.4902)
Luminance	0.1284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F60B7 #B7963F

analogous

#3F9CB7 #3F60B7 #5A3FB7

triadic

#3F60B7 #B73F60 #60B73F

tetradic

#3F60B7 #B73F9C #B7963F #3FB75A

square

#3F60B7 #B73F9C #B7963F #3FB75A

split-complementary

#3F60B7 #B75A3F #9CB73F

monochromatic

#20305C #2F4889 #3F60B7 #6883CB #96A9DB

Accessibility & contrast

On white

5.89

#3F60B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#3F60B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F60B7

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F60B7	#FFFFFF	#000000	##FFFFFF
##3F60B7	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336ABA

Deuteranopia (green-blind)

#1B5FB5

Tritanopia (blue-blind)

#007482

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3f60b7;
/* rgb */ color: rgb(63, 96, 183);
/* oklch */ color: oklch(51.0% 0.143 265.9);

Tailwind

colors: {
  custom: {
    50: '#818ccd',
    500: '#3f60b7',
    950: '#000000',
  },
}

SCSS

$custom: #3f60b7;
$custom-light: #818ccd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f60b7",
  "rgb": {
    "r": 63,
    "g": 96,
    "b": 183
  },
  "hsl": {
    "h": 223.5,
    "s": 48.78,
    "l": 48.235
  },
  "oklch": {
    "l": 0.51034,
    "c": 0.14261,
    "h": 265.9
  },
  "luminance": 0.12841
}

Semantic roles & 50–950 ramp

primary

#3F60B7

secondary

#C6B68B

accent

#B34FD8

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3F60B7

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

Preview Lab → · Contrast checker → · Palette generator →