#3F67CF#3F67CF

#3F67CF is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.2% C 0.167 H 265.4°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#3F67CF
RGB	rgb(63, 103, 207)
HSL	hsl(223, 60%, 53%)
HSV	hsv(223, 70%, 81%)
CMYK	cmyk(69.6%, 50.2%, 0%, 18.8%)
CIE-LAB	lab(45.99, 20.78, -58.00)
CIE-LCH	lch(45.99, 61.61, 289.71°)
OKLab	oklab(54.18% -0.0135 -0.1666)
OKLCH	oklch(54.18% 0.167 265.4)
XYZ	xyz(18.1587, 15.2604, 61.0080)
Luminance	0.1526 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F67CF #CFA73F

analogous

#3FAFCF #3F67CF #5F3FCF

triadic

#3F67CF #CF3F67 #67CF3F

tetradic

#3F67CF #CF3FAF #CFA73F #3FCF5F

square

#3F67CF #CF3FAF #CFA73F #3FCF5F

split-complementary

#3F67CF #CF5F3F #AFCF3F

monochromatic

#1E3676 #2A4DA7 #3F67CF #708EDB #A1B5E7

Accessibility & contrast

On white

5.18

#3F67CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#3F67CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F67CF

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F67CF	#FFFFFF	#000000	##FFFFFF
##3F67CF	1.00	5.18	4.05	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2974D3

Deuteranopia (green-blind)

#0067CD

Tritanopia (blue-blind)

#008091

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3f67cf;
/* rgb */ color: rgb(63, 103, 207);
/* oklch */ color: oklch(54.2% 0.167 265.4);

Tailwind

colors: {
  custom: {
    50: '#8591de',
    500: '#3f67cf',
    950: '#000000',
  },
}

SCSS

$custom: #3f67cf;
$custom-light: #8591de;
$custom-dark: #000000;

JSON

{
  "hex": "#3f67cf",
  "rgb": {
    "r": 63,
    "g": 103,
    "b": 207
  },
  "hsl": {
    "h": 223.333,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.54176,
    "c": 0.16712,
    "h": 265.4
  },
  "luminance": 0.15262
}

Semantic roles & 50–950 ramp

primary

#3F67CF

secondary

#D4C396

accent

#B745E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3F67CF

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

Preview Lab → · Contrast checker → · Palette generator →