#3F389F#3F389F

#3F389F is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.4% C 0.161 H 279.8°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#3F389F
RGB	rgb(63, 56, 159)
HSL	hsl(244, 48%, 42%)
HSV	hsv(244, 65%, 62%)
CMYK	cmyk(60.4%, 64.8%, 0%, 37.6%)
CIE-LAB	lab(30.37, 33.95, -55.09)
CIE-LCH	lch(30.37, 64.71, 301.64°)
OKLab	oklab(41.39% 0.0273 -0.1585)
OKLCH	oklch(41.39% 0.161 279.8)
XYZ	xyz(9.7201, 6.3876, 33.5149)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F389F #989F38

analogous

#38649F #3F389F #73389F

triadic

#3F389F #9F3F38 #389F3F

tetradic

#3F389F #9F3864 #989F38 #389F73

square

#3F389F #9F3864 #989F38 #389F73

split-complementary

#3F389F #9F7338 #649F38

monochromatic

#1B1844 #2D2872 #3F389F #5A52C2 #857FD2

Accessibility & contrast

On white

9.22

#3F389F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#3F389F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F389F

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F389F	#FFFFFF	#000000	##FFFFFF
##3F389F	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA2

Deuteranopia (green-blind)

#00439D

Tritanopia (blue-blind)

#005266

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3f389f;
/* rgb */ color: rgb(63, 56, 159);
/* oklch */ color: oklch(41.4% 0.161 279.8);

Tailwind

colors: {
  custom: {
    50: '#7f6fbc',
    500: '#3f389f',
    950: '#000000',
  },
}

SCSS

$custom: #3f389f;
$custom-light: #7f6fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f389f",
  "rgb": {
    "r": 63,
    "g": 56,
    "b": 159
  },
  "hsl": {
    "h": 244.078,
    "s": 47.907,
    "l": 42.157
  },
  "oklch": {
    "l": 0.41388,
    "c": 0.16085,
    "h": 279.8
  },
  "luminance": 0.06388
}

Semantic roles & 50–950 ramp

primary

#3F389F

secondary

#B7BB77

accent

#D750CE

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #3F389F

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

Preview Lab → · Contrast checker → · Palette generator →