#3F67E1#3F67E1

#3F67E1 is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.5% C 0.191 H 266.4°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#3F67E1
RGB	rgb(63, 103, 225)
HSL	hsl(225, 73%, 56%)
HSV	hsv(225, 72%, 88%)
CMYK	cmyk(72%, 54.2%, 0%, 11.8%)
CIE-LAB	lab(47.22, 27.27, -66.25)
CIE-LCH	lch(47.22, 71.64, 292.37°)
OKLab	oklab(55.5% -0.0119 -0.1908)
OKLCH	oklch(55.5% 0.191 266.4)
XYZ	xyz(20.4860, 16.1913, 73.2652)
Luminance	0.1619 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F67E1 #E1B93F

analogous

#3FB8E1 #3F67E1 #683FE1

triadic

#3F67E1 #E13F67 #67E13F

tetradic

#3F67E1 #E13FB8 #E1B93F #3FE168

square

#3F67E1 #E13FB8 #E1B93F #3FE168

split-complementary

#3F67E1 #E1683F #B8E13F

monochromatic

#16348F #1F48C4 #3F67E1 #7491E9 #A9BBF2

Accessibility & contrast

On white

4.95

#3F67E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#3F67E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F67E1

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F67E1	#FFFFFF	#000000	##FFFFFF
##3F67E1	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078E5

Deuteranopia (green-blind)

#0069DF

Tritanopia (blue-blind)

#00859A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3f67e1;
/* rgb */ color: rgb(63, 103, 225);
/* oklch */ color: oklch(55.5% 0.191 266.4);

Tailwind

colors: {
  custom: {
    50: '#8891eb',
    500: '#3f67e1',
    950: '#000000',
  },
}

SCSS

$custom: #3f67e1;
$custom-light: #8891eb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f67e1",
  "rgb": {
    "r": 63,
    "g": 103,
    "b": 225
  },
  "hsl": {
    "h": 225.185,
    "s": 72.973,
    "l": 56.471
  },
  "oklch": {
    "l": 0.55504,
    "c": 0.1912,
    "h": 266.4
  },
  "luminance": 0.16194
}

Semantic roles & 50–950 ramp

primary

#3F67E1

secondary

#DFCF9D

accent

#C238F0

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #3F67E1

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

Preview Lab → · Contrast checker → · Palette generator →