#3F69BA#3F69BA

#3F69BA is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.2% C 0.136 H 262.2°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#3F69BA
RGB	rgb(63, 105, 186)
HSL	hsl(220, 49%, 49%)
HSV	hsv(220, 66%, 73%)
CMYK	cmyk(66.1%, 43.5%, 0%, 27.1%)
CIE-LAB	lab(45.23, 11.95, -47.12)
CIE-LCH	lch(45.23, 48.61, 284.23°)
OKLab	oklab(53.17% -0.0185 -0.1345)
OKLCH	oklch(53.17% 0.136 262.2)
XYZ	xyz(15.9613, 14.7035, 48.4418)
Luminance	0.1470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F69BA #BA903F

analogous

#3FA7BA #3F69BA #533FBA

triadic

#3F69BA #BA3F69 #69BA3F

tetradic

#3F69BA #BA3FA7 #BA903F #3FBA53

square

#3F69BA #BA3FA7 #BA903F #3FBA53

split-complementary

#3F69BA #BA533F #A7BA3F

monochromatic

#20355F #304F8C #3F69BA #6A8BCC #97AFDC

Accessibility & contrast

On white

5.33

#3F69BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#3F69BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F69BA

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F69BA	#FFFFFF	#000000	##FFFFFF
##3F69BA	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4371BD

Deuteranopia (green-blind)

#2F66B8

Tritanopia (blue-blind)

#007C88

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3f69ba;
/* rgb */ color: rgb(63, 105, 186);
/* oklch */ color: oklch(53.2% 0.136 262.2);

Tailwind

colors: {
  custom: {
    50: '#8193cf',
    500: '#3f69ba',
    950: '#000000',
  },
}

SCSS

$custom: #3f69ba;
$custom-light: #8193cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f69ba",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 186
  },
  "hsl": {
    "h": 219.512,
    "s": 49.398,
    "l": 48.824
  },
  "oklch": {
    "l": 0.53169,
    "c": 0.1358,
    "h": 262.2
  },
  "luminance": 0.14705
}

Semantic roles & 50–950 ramp

primary

#3F69BA

secondary

#C8B48D

accent

#AA4FD9

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3F69BA

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

Preview Lab → · Contrast checker → · Palette generator →