#3F69BE#3F69BE

#3F69BE is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.4% C 0.141 H 262.8°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#3F69BE
RGB	rgb(63, 105, 190)
HSL	hsl(220, 50%, 50%)
HSV	hsv(220, 67%, 75%)
CMYK	cmyk(66.8%, 44.7%, 0%, 25.5%)
CIE-LAB	lab(45.46, 13.39, -49.06)
CIE-LCH	lch(45.46, 50.85, 285.26°)
OKLab	oklab(53.43% -0.0178 -0.1402)
OKLCH	oklch(53.43% 0.141 262.8)
XYZ	xyz(16.3925, 14.8760, 50.7127)
Luminance	0.1488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F69BE #BE943F

analogous

#3FA9BE #3F69BE #543FBE

triadic

#3F69BE #BE3F69 #69BE3F

tetradic

#3F69BE #BE3FA9 #BE943F #3FBE54

square

#3F69BE #BE3FA9 #BE943F #3FBE54

split-complementary

#3F69BE #BE543F #A9BE3F

monochromatic

#213662 #305090 #3F69BE #6C8CCE #9AB0DD

Accessibility & contrast

On white

5.28

#3F69BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#3F69BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F69BE

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F69BE	#FFFFFF	#000000	##FFFFFF
##3F69BE	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4072C1

Deuteranopia (green-blind)

#2966BC

Tritanopia (blue-blind)

#007D8A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3f69be;
/* rgb */ color: rgb(63, 105, 190);
/* oklch */ color: oklch(53.4% 0.141 262.8);

Tailwind

colors: {
  custom: {
    50: '#8193d2',
    500: '#3f69be',
    950: '#000000',
  },
}

SCSS

$custom: #3f69be;
$custom-light: #8193d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f69be",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 190
  },
  "hsl": {
    "h": 220.157,
    "s": 50.198,
    "l": 49.608
  },
  "oklch": {
    "l": 0.53429,
    "c": 0.14135,
    "h": 262.8
  },
  "luminance": 0.14878
}

Semantic roles & 50–950 ramp

primary

#3F69BE

secondary

#C9B68F

accent

#AC4EDA

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3F69BE

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

Preview Lab → · Contrast checker → · Palette generator →