#3F69D2#3F69D2

#3F69D2 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.8% C 0.169 H 264.9°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#3F69D2
RGB	rgb(63, 105, 210)
HSL	hsl(223, 62%, 54%)
HSV	hsv(223, 70%, 82%)
CMYK	cmyk(70%, 50%, 0%, 17.6%)
CIE-LAB	lab(46.73, 20.59, -58.53)
CIE-LCH	lch(46.73, 62.05, 289.38°)
OKLab	oklab(54.8% -0.0149 -0.1681)
OKLCH	oklch(54.8% 0.169 264.9)
XYZ	xyz(18.7302, 15.8111, 63.0250)
Luminance	0.1581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F69D2 #D2A83F

analogous

#3FB2D2 #3F69D2 #5E3FD2

triadic

#3F69D2 #D23F69 #69D23F

tetradic

#3F69D2 #D23FB2 #D2A83F #3FD25E

square

#3F69D2 #D23FB2 #D2A83F #3FD25E

split-complementary

#3F69D2 #D25E3F #B2D23F

monochromatic

#1D377A #284EAC #3F69D2 #7190DE #A2B6E9

Accessibility & contrast

On white

5.04

#3F69D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#3F69D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F69D2

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F69D2	#FFFFFF	#000000	##FFFFFF
##3F69D2	1.00	5.04	4.16	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B76D6

Deuteranopia (green-blind)

#0068D0

Tritanopia (blue-blind)

#008293

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3f69d2;
/* rgb */ color: rgb(63, 105, 210);
/* oklch */ color: oklch(54.8% 0.169 264.9);

Tailwind

colors: {
  custom: {
    50: '#8593e0',
    500: '#3f69d2',
    950: '#000000',
  },
}

SCSS

$custom: #3f69d2;
$custom-light: #8593e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f69d2",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 210
  },
  "hsl": {
    "h": 222.857,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.548,
    "c": 0.16875,
    "h": 264.9
  },
  "luminance": 0.15813
}

Semantic roles & 50–950 ramp

primary

#3F69D2

secondary

#D6C497

accent

#B743E5

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3F69D2

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

Preview Lab → · Contrast checker → · Palette generator →