#3F67CC#3F67CC

#3F67CC is a mid, vivid blue. Relative luminance 0.151; OKLCH L 54.0% C 0.163 H 265.1°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3F67CC
RGB	rgb(63, 103, 204)
HSL	hsl(223, 58%, 52%)
HSV	hsv(223, 69%, 80%)
CMYK	cmyk(69.1%, 49.5%, 0%, 20%)
CIE-LAB	lab(45.79, 19.70, -56.60)
CIE-LCH	lch(45.79, 59.93, 289.19°)
OKLab	oklab(53.96% -0.0139 -0.1624)
OKLCH	oklch(53.96% 0.163 265.1)
XYZ	xyz(17.7954, 15.1151, 59.0947)
Luminance	0.1512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F67CC #CCA43F

analogous

#3FADCC #3F67CC #5E3FCC

triadic

#3F67CC #CC3F67 #67CC3F

tetradic

#3F67CC #CC3FAD #CCA43F #3FCC5E

square

#3F67CC #CC3FAD #CCA43F #3FCC5E

split-complementary

#3F67CC #CC5E3F #ADCC3F

monochromatic

#1E3672 #2B4DA3 #3F67CC #6F8DD9 #A0B4E6

Accessibility & contrast

On white

5.22

#3F67CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#3F67CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F67CC

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F67CC	#FFFFFF	#000000	##FFFFFF
##3F67CC	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D73D0

Deuteranopia (green-blind)

#0066CA

Tritanopia (blue-blind)

#007F90

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3f67cc;
/* rgb */ color: rgb(63, 103, 204);
/* oklch */ color: oklch(54.0% 0.163 265.1);

Tailwind

colors: {
  custom: {
    50: '#8491dc',
    500: '#3f67cc',
    950: '#000000',
  },
}

SCSS

$custom: #3f67cc;
$custom-light: #8491dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f67cc",
  "rgb": {
    "r": 63,
    "g": 103,
    "b": 204
  },
  "hsl": {
    "h": 222.979,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.53963,
    "c": 0.16304,
    "h": 265.1
  },
  "luminance": 0.15117
}

Semantic roles & 50–950 ramp

primary

#3F67CC

secondary

#D2C195

accent

#B547E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3F67CC

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

Preview Lab → · Contrast checker → · Palette generator →