#3F69D1#3F69D1

#3F69D1 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.7% C 0.167 H 264.8°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#3F69D1
RGB	rgb(63, 105, 209)
HSL	hsl(223, 61%, 53%)
HSV	hsv(223, 70%, 82%)
CMYK	cmyk(69.9%, 49.8%, 0%, 18%)
CIE-LAB	lab(46.66, 20.23, -58.07)
CIE-LCH	lch(46.66, 61.49, 289.21°)
OKLab	oklab(54.73% -0.015 -0.1667)
OKLCH	oklch(54.73% 0.167 264.8)
XYZ	xyz(18.6061, 15.7615, 62.3709)
Luminance	0.1576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F69D1 #D1A73F

analogous

#3FB2D1 #3F69D1 #5E3FD1

triadic

#3F69D1 #D13F69 #69D13F

tetradic

#3F69D1 #D13FB2 #D1A73F #3FD15E

square

#3F69D1 #D13FB2 #D1A73F #3FD15E

split-complementary

#3F69D1 #D15E3F #B2D13F

monochromatic

#1D3779 #294EAA #3F69D1 #7090DD #A2B6E9

Accessibility & contrast

On white

5.06

#3F69D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#3F69D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F69D1

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F69D1	#FFFFFF	#000000	##FFFFFF
##3F69D1	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C76D5

Deuteranopia (green-blind)

#0068CF

Tritanopia (blue-blind)

#008293

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3f69d1;
/* rgb */ color: rgb(63, 105, 209);
/* oklch */ color: oklch(54.7% 0.167 264.8);

Tailwind

colors: {
  custom: {
    50: '#8593e0',
    500: '#3f69d1',
    950: '#000000',
  },
}

SCSS

$custom: #3f69d1;
$custom-light: #8593e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f69d1",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 209
  },
  "hsl": {
    "h": 222.74,
    "s": 61.345,
    "l": 53.333
  },
  "oklch": {
    "l": 0.54729,
    "c": 0.1674,
    "h": 264.8
  },
  "luminance": 0.15763
}

Semantic roles & 50–950 ramp

primary

#3F69D1

secondary

#D5C397

accent

#B643E4

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3F69D1

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

Preview Lab → · Contrast checker → · Palette generator →