#3F60D3#3F60D3

#3F60D3 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.1% C 0.181 H 267.7°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#3F60D3
RGB	rgb(63, 96, 211)
HSL	hsl(227, 63%, 54%)
HSV	hsv(227, 70%, 83%)
CMYK	cmyk(70.1%, 54.5%, 0%, 17.3%)
CIE-LAB	lab(44.41, 26.67, -62.85)
CIE-LCH	lch(44.41, 68.27, 293.00°)
OKLab	oklab(53.07% -0.0073 -0.1809)
OKLCH	oklch(53.07% 0.181 267.7)
XYZ	xyz(17.9866, 14.1238, 63.3936)
Luminance	0.1413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F60D3 #D3B23F

analogous

#3FAAD3 #3F60D3 #683FD3

triadic

#3F60D3 #D33F60 #60D33F

tetradic

#3F60D3 #D33FAA #D3B23F #3FD368

square

#3F60D3 #D33FAA #D3B23F #3FD368

split-complementary

#3F60D3 #D3683F #AAD33F

monochromatic

#1C317B #2845AD #3F60D3 #7189DE #A3B2EA

Accessibility & contrast

On white

5.49

#3F60D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#3F60D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F60D3

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F60D3	#FFFFFF	#000000	##FFFFFF
##3F60D3	1.00	5.49	3.83	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070D7

Deuteranopia (green-blind)

#0063D1

Tritanopia (blue-blind)

#007C90

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3f60d3;
/* rgb */ color: rgb(63, 96, 211);
/* oklch */ color: oklch(53.1% 0.181 267.7);

Tailwind

colors: {
  custom: {
    50: '#868ce1',
    500: '#3f60d3',
    950: '#000000',
  },
}

SCSS

$custom: #3f60d3;
$custom-light: #868ce1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f60d3",
  "rgb": {
    "r": 63,
    "g": 96,
    "b": 211
  },
  "hsl": {
    "h": 226.622,
    "s": 62.712,
    "l": 53.725
  },
  "oklch": {
    "l": 0.53068,
    "c": 0.18108,
    "h": 267.7
  },
  "luminance": 0.14126
}

Semantic roles & 50–950 ramp

primary

#3F60D3

secondary

#D7C897

accent

#C142E6

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0D0C15

muted

#7D7D83

Preview Lab

Preview with #3F60D3

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

Preview Lab → · Contrast checker → · Palette generator →