#3F67CA#3F67CA

#3F67CA is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.8% C 0.160 H 264.9°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#3F67CA
RGB	rgb(63, 103, 202)
HSL	hsl(223, 57%, 52%)
HSV	hsv(223, 69%, 79%)
CMYK	cmyk(68.8%, 49%, 0%, 20.8%)
CIE-LAB	lab(45.66, 18.98, -55.66)
CIE-LCH	lch(45.66, 58.81, 288.82°)
OKLab	oklab(53.82% -0.0141 -0.1597)
OKLCH	oklch(53.82% 0.16 264.9)
XYZ	xyz(17.5571, 15.0198, 57.8395)
Luminance	0.1502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F67CA #CAA23F

analogous

#3FADCA #3F67CA #5D3FCA

triadic

#3F67CA #CA3F67 #67CA3F

tetradic

#3F67CA #CA3FAD #CAA23F #3FCA5D

square

#3F67CA #CA3FAD #CAA23F #3FCA5D

split-complementary

#3F67CA #CA5D3F #ADCA3F

monochromatic

#1F3670 #2C4DA0 #3F67CA #6F8DD7 #9FB3E4

Accessibility & contrast

On white

5.24

#3F67CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#3F67CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F67CA

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F67CA	#FFFFFF	#000000	##FFFFFF
##3F67CA	1.00	5.24	4.00	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3073CE

Deuteranopia (green-blind)

#0166C8

Tritanopia (blue-blind)

#007E8F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3f67ca;
/* rgb */ color: rgb(63, 103, 202);
/* oklch */ color: oklch(53.8% 0.160 264.9);

Tailwind

colors: {
  custom: {
    50: '#8491db',
    500: '#3f67ca',
    950: '#000000',
  },
}

SCSS

$custom: #3f67ca;
$custom-light: #8491db;
$custom-dark: #000000;

JSON

{
  "hex": "#3f67ca",
  "rgb": {
    "r": 63,
    "g": 103,
    "b": 202
  },
  "hsl": {
    "h": 222.734,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.53822,
    "c": 0.1603,
    "h": 264.9
  },
  "luminance": 0.15022
}

Semantic roles & 50–950 ramp

primary

#3F67CA

secondary

#D1BF94

accent

#B448E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3F67CA

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

Preview Lab → · Contrast checker → · Palette generator →