#3F69DC#3F69DC

#3F69DC is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.5% C 0.182 H 265.6°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F69DC
RGB	rgb(63, 105, 220)
HSL	hsl(224, 69%, 55%)
HSV	hsv(224, 71%, 86%)
CMYK	cmyk(71.4%, 52.3%, 0%, 13.7%)
CIE-LAB	lab(47.40, 24.20, -63.14)
CIE-LCH	lch(47.40, 67.62, 290.97°)
OKLab	oklab(55.53% -0.0139 -0.1816)
OKLCH	oklch(55.53% 0.182 265.6)
XYZ	xyz(20.0152, 16.3251, 69.7925)
Luminance	0.1633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F69DC #DCB23F

analogous

#3FB7DC #3F69DC #633FDC

triadic

#3F69DC #DC3F69 #69DC3F

tetradic

#3F69DC #DC3FB7 #DCB23F #3FDC63

square

#3F69DC #DC3FB7 #DCB23F #3FDC63

split-complementary

#3F69DC #DC633F #B7DC3F

monochromatic

#193688 #224BBC #3F69DC #7391E5 #A7BAEF

Accessibility & contrast

On white

4.92

#3F69DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#3F69DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F69DC

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F69DC	#FFFFFF	#000000	##FFFFFF
##3F69DC	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1978E0

Deuteranopia (green-blind)

#006ADA

Tritanopia (blue-blind)

#008598

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3f69dc;
/* rgb */ color: rgb(63, 105, 220);
/* oklch */ color: oklch(55.5% 0.182 265.6);

Tailwind

colors: {
  custom: {
    50: '#8793e8',
    500: '#3f69dc',
    950: '#000000',
  },
}

SCSS

$custom: #3f69dc;
$custom-light: #8793e8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f69dc",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 220
  },
  "hsl": {
    "h": 223.949,
    "s": 69.163,
    "l": 55.49
  },
  "oklch": {
    "l": 0.55525,
    "c": 0.18217,
    "h": 265.6
  },
  "luminance": 0.16327
}

Semantic roles & 50–950 ramp

primary

#3F69DC

secondary

#DCCB9B

accent

#BD3CEC

background

#F9F9FE

surface

#F1F1FD

border

#CBCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #3F69DC

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

Preview Lab → · Contrast checker → · Palette generator →