#3F67DF#3F67DF

#3F67DF is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.4% C 0.189 H 266.3°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#3F67DF
RGB	rgb(63, 103, 223)
HSL	hsl(225, 71%, 56%)
HSV	hsv(225, 72%, 87%)
CMYK	cmyk(71.7%, 53.8%, 0%, 12.5%)
CIE-LAB	lab(47.08, 26.55, -65.35)
CIE-LCH	lch(47.08, 70.53, 292.11°)
OKLab	oklab(55.35% -0.0121 -0.1882)
OKLCH	oklch(55.35% 0.189 266.3)
XYZ	xyz(20.2148, 16.0828, 71.8367)
Luminance	0.1608 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F67DF #DFB73F

analogous

#3FB7DF #3F67DF #673FDF

triadic

#3F67DF #DF3F67 #67DF3F

tetradic

#3F67DF #DF3FB7 #DFB73F #3FDF67

square

#3F67DF #DF3FB7 #DFB73F #3FDF67

split-complementary

#3F67DF #DF673F #B7DF3F

monochromatic

#17358C #2048C1 #3F67DF #7391E8 #A8BAF0

Accessibility & contrast

On white

4.98

#3F67DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#3F67DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F67DF

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F67DF	#FFFFFF	#000000	##FFFFFF
##3F67DF	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077E3

Deuteranopia (green-blind)

#0069DD

Tritanopia (blue-blind)

#008499

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3f67df;
/* rgb */ color: rgb(63, 103, 223);
/* oklch */ color: oklch(55.4% 0.189 266.3);

Tailwind

colors: {
  custom: {
    50: '#8891ea',
    500: '#3f67df',
    950: '#000000',
  },
}

SCSS

$custom: #3f67df;
$custom-light: #8891ea;
$custom-dark: #000000;

JSON

{
  "hex": "#3f67df",
  "rgb": {
    "r": 63,
    "g": 103,
    "b": 223
  },
  "hsl": {
    "h": 225,
    "s": 71.429,
    "l": 56.078
  },
  "oklch": {
    "l": 0.55353,
    "c": 0.18856,
    "h": 266.3
  },
  "luminance": 0.16085
}

Semantic roles & 50–950 ramp

primary

#3F67DF

secondary

#DECD9C

accent

#C13AEE

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #3F67DF

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

Preview Lab → · Contrast checker → · Palette generator →