#3F69A4#3F69A4

#3F69A4 is a mid, moderate blue. Relative luminance 0.138; OKLCH L 51.8% C 0.105 H 257.1°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#3F69A4
RGB	rgb(63, 105, 164)
HSL	hsl(215, 44%, 45%)
HSV	hsv(215, 62%, 64%)
CMYK	cmyk(61.6%, 36%, 0%, 35.7%)
CIE-LAB	lab(44.00, 4.17, -36.19)
CIE-LCH	lch(44.00, 36.43, 276.57°)
OKLab	oklab(51.82% -0.0235 -0.1025)
OKLCH	oklch(51.82% 0.105 257.1)
XYZ	xyz(13.7999, 13.8390, 37.0587)
Luminance	0.1384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F69A4 #A47A3F

analogous

#3F9BA4 #3F69A4 #483FA4

triadic

#3F69A4 #A43F69 #69A43F

tetradic

#3F69A4 #A43F9B #A47A3F #3FA448

square

#3F69A4 #A43F9B #A47A3F #3FA448

split-complementary

#3F69A4 #A4483F #9BA43F

monochromatic

#1D304C #2E4D78 #3F69A4 #5F88C1 #8BA9D2

Accessibility & contrast

On white

5.57

#3F69A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#3F69A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F69A4

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F69A4	#FFFFFF	#000000	##FFFFFF
##3F69A4	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#506DA6

Deuteranopia (green-blind)

#4264A3

Tritanopia (blue-blind)

#00767F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3f69a4;
/* rgb */ color: rgb(63, 105, 164);
/* oklch */ color: oklch(51.8% 0.105 257.1);

Tailwind

colors: {
  custom: {
    50: '#7d93bf',
    500: '#3f69a4',
    950: '#000000',
  },
}

SCSS

$custom: #3f69a4;
$custom-light: #7d93bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f69a4",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 164
  },
  "hsl": {
    "h": 215.05,
    "s": 44.493,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51821,
    "c": 0.10515,
    "h": 257.1
  },
  "luminance": 0.1384
}

Semantic roles & 50–950 ramp

primary

#3F69A4

secondary

#BDA482

accent

#9F54D4

background

#F8F9FB

surface

#EFF1F7

border

#CACBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3F69A4

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

Preview Lab → · Contrast checker → · Palette generator →