#3F67CE#3F67CE

#3F67CE is a mid, vivid blue. Relative luminance 0.152; OKLCH L 54.1% C 0.166 H 265.3°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#3F67CE
RGB	rgb(63, 103, 206)
HSL	hsl(223, 59%, 53%)
HSV	hsv(223, 69%, 81%)
CMYK	cmyk(69.4%, 50%, 0%, 19.2%)
CIE-LAB	lab(45.92, 20.42, -57.54)
CIE-LCH	lch(45.92, 61.05, 289.54°)
OKLab	oklab(54.11% -0.0136 -0.1652)
OKLCH	oklch(54.11% 0.166 265.3)
XYZ	xyz(18.0368, 15.2117, 60.3661)
Luminance	0.1521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F67CE #CEA63F

analogous

#3FAECE #3F67CE #5F3FCE

triadic

#3F67CE #CE3F67 #67CE3F

tetradic

#3F67CE #CE3FAE #CEA63F #3FCE5F

square

#3F67CE #CE3FAE #CEA63F #3FCE5F

split-complementary

#3F67CE #CE5F3F #AECE3F

monochromatic

#1E3675 #2A4DA6 #3F67CE #708EDA #A1B4E7

Accessibility & contrast

On white

5.19

#3F67CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#3F67CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F67CE

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F67CE	#FFFFFF	#000000	##FFFFFF
##3F67CE	1.00	5.19	4.04	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B74D2

Deuteranopia (green-blind)

#0067CC

Tritanopia (blue-blind)

#007F91

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3f67ce;
/* rgb */ color: rgb(63, 103, 206);
/* oklch */ color: oklch(54.1% 0.166 265.3);

Tailwind

colors: {
  custom: {
    50: '#8591de',
    500: '#3f67ce',
    950: '#000000',
  },
}

SCSS

$custom: #3f67ce;
$custom-light: #8591de;
$custom-dark: #000000;

JSON

{
  "hex": "#3f67ce",
  "rgb": {
    "r": 63,
    "g": 103,
    "b": 206
  },
  "hsl": {
    "h": 223.217,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.54105,
    "c": 0.16576,
    "h": 265.3
  },
  "luminance": 0.15213
}

Semantic roles & 50–950 ramp

primary

#3F67CE

secondary

#D3C295

accent

#B745E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3F67CE

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

Preview Lab → · Contrast checker → · Palette generator →