#3F69CF#3F69CF

#3F69CF is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.6% C 0.165 H 264.7°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#3F69CF
RGB	rgb(63, 105, 207)
HSL	hsl(223, 60%, 53%)
HSV	hsv(223, 70%, 81%)
CMYK	cmyk(69.6%, 49.3%, 0%, 18.8%)
CIE-LAB	lab(46.53, 19.51, -57.13)
CIE-LCH	lch(46.53, 60.37, 288.86°)
OKLab	oklab(54.59% -0.0153 -0.164)
OKLCH	oklch(54.59% 0.165 264.7)
XYZ	xyz(18.3600, 15.6630, 61.0751)
Luminance	0.1567 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F69CF #CFA53F

analogous

#3FB1CF #3F69CF #5D3FCF

triadic

#3F69CF #CF3F69 #69CF3F

tetradic

#3F69CF #CF3FB1 #CFA53F #3FCF5D

square

#3F69CF #CF3FB1 #CFA53F #3FCF5D

split-complementary

#3F69CF #CF5D3F #B1CF3F

monochromatic

#1E3776 #2A4EA7 #3F69CF #708FDB #A1B5E7

Accessibility & contrast

On white

5.08

#3F69CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#3F69CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F69CF

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F69CF	#FFFFFF	#000000	##FFFFFF
##3F69CF	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F75D3

Deuteranopia (green-blind)

#0068CD

Tritanopia (blue-blind)

#008192

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3f69cf;
/* rgb */ color: rgb(63, 105, 207);
/* oklch */ color: oklch(54.6% 0.165 264.7);

Tailwind

colors: {
  custom: {
    50: '#8593de',
    500: '#3f69cf',
    950: '#000000',
  },
}

SCSS

$custom: #3f69cf;
$custom-light: #8593de;
$custom-dark: #000000;

JSON

{
  "hex": "#3f69cf",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 207
  },
  "hsl": {
    "h": 222.5,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.54588,
    "c": 0.16468,
    "h": 264.7
  },
  "luminance": 0.15665
}

Semantic roles & 50–950 ramp

primary

#3F69CF

secondary

#D4C296

accent

#B545E3

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3F69CF

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

Preview Lab → · Contrast checker → · Palette generator →