#3F67C0#3F67C0

#3F67C0 is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.1% C 0.147 H 263.9°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#3F67C0
RGB	rgb(63, 103, 192)
HSL	hsl(221, 51%, 50%)
HSV	hsv(221, 67%, 75%)
CMYK	cmyk(67.2%, 46.4%, 0%, 24.7%)
CIE-LAB	lab(45.03, 15.37, -50.91)
CIE-LCH	lch(45.03, 53.19, 286.80°)
OKLab	oklab(53.13% -0.0156 -0.1457)
OKLCH	oklch(53.13% 0.147 263.9)
XYZ	xyz(16.4112, 14.5614, 51.8047)
Luminance	0.1456 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F67C0 #C0983F

analogous

#3FA8C0 #3F67C0 #573FC0

triadic

#3F67C0 #C03F67 #67C03F

tetradic

#3F67C0 #C03FA8 #C0983F #3FC057

square

#3F67C0 #C03FA8 #C0983F #3FC057

split-complementary

#3F67C0 #C0573F #A8C03F

monochromatic

#213664 #304E92 #3F67C0 #6D8BCF #9BB0DE

Accessibility & contrast

On white

5.37

#3F67C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#3F67C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F67C0

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F67C0	#FFFFFF	#000000	##FFFFFF
##3F67C0	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A71C3

Deuteranopia (green-blind)

#2165BE

Tritanopia (blue-blind)

#007C8A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3f67c0;
/* rgb */ color: rgb(63, 103, 192);
/* oklch */ color: oklch(53.1% 0.147 263.9);

Tailwind

colors: {
  custom: {
    50: '#8291d3',
    500: '#3f67c0',
    950: '#000000',
  },
}

SCSS

$custom: #3f67c0;
$custom-light: #8291d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f67c0",
  "rgb": {
    "r": 63,
    "g": 103,
    "b": 192
  },
  "hsl": {
    "h": 221.395,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.53134,
    "c": 0.14654,
    "h": 263.9
  },
  "luminance": 0.14563
}

Semantic roles & 50–950 ramp

primary

#3F67C0

secondary

#CAB891

accent

#AF4EDA

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3F67C0

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

Preview Lab → · Contrast checker → · Palette generator →