#3F69BD#3F69BD

#3F69BD is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.4% C 0.140 H 262.6°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#3F69BD
RGB	rgb(63, 105, 189)
HSL	hsl(220, 50%, 49%)
HSV	hsv(220, 67%, 74%)
CMYK	cmyk(66.7%, 44.4%, 0%, 25.9%)
CIE-LAB	lab(45.40, 13.03, -48.57)
CIE-LCH	lch(45.40, 50.29, 285.01°)
OKLab	oklab(53.36% -0.018 -0.1388)
OKLCH	oklch(53.36% 0.14 262.6)
XYZ	xyz(16.2835, 14.8325, 50.1390)
Luminance	0.1483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F69BD #BD933F

analogous

#3FA8BD #3F69BD #543FBD

triadic

#3F69BD #BD3F69 #69BD3F

tetradic

#3F69BD #BD3FA8 #BD933F #3FBD54

square

#3F69BD #BD3FA8 #BD933F #3FBD54

split-complementary

#3F69BD #BD543F #A8BD3F

monochromatic

#203661 #30508F #3F69BD #6B8CCE #99B0DD

Accessibility & contrast

On white

5.29

#3F69BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#3F69BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F69BD

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F69BD	#FFFFFF	#000000	##FFFFFF
##3F69BD	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4072C0

Deuteranopia (green-blind)

#2B66BB

Tritanopia (blue-blind)

#007C8A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3f69bd;
/* rgb */ color: rgb(63, 105, 189);
/* oklch */ color: oklch(53.4% 0.140 262.6);

Tailwind

colors: {
  custom: {
    50: '#8193d1',
    500: '#3f69bd',
    950: '#000000',
  },
}

SCSS

$custom: #3f69bd;
$custom-light: #8193d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f69bd",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 189
  },
  "hsl": {
    "h": 220,
    "s": 50,
    "l": 49.412
  },
  "oklch": {
    "l": 0.53364,
    "c": 0.13996,
    "h": 262.6
  },
  "luminance": 0.14834
}

Semantic roles & 50–950 ramp

primary

#3F69BD

secondary

#C9B68F

accent

#AB4EDA

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3F69BD

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

Preview Lab → · Contrast checker → · Palette generator →