#3F3E8A#3F3E8A

#3F3E8A is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.8% C 0.123 H 280.0°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#3F3E8A
RGB	rgb(63, 62, 138)
HSL	hsl(241, 38%, 39%)
HSV	hsv(241, 55%, 54%)
CMYK	cmyk(54.3%, 55.1%, 0%, 45.9%)
CIE-LAB	lab(30.25, 23.01, -42.44)
CIE-LCH	lch(30.25, 48.28, 298.47°)
OKLab	oklab(40.79% 0.0215 -0.1213)
OKLCH	oklch(40.79% 0.123 280)
XYZ	xyz(8.3585, 6.3365, 24.8224)
Luminance	0.0634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3E8A #898A3E

analogous

#3E638A #3F3E8A #653E8A

triadic

#3F3E8A #8A3F3E #3E8A3F

tetradic

#3F3E8A #8A3E63 #898A3E #3E8A65

square

#3F3E8A #8A3E63 #898A3E #3E8A65

split-complementary

#3F3E8A #8A653E #638A3E

monochromatic

#181836 #2C2B60 #3F3E8A #5553B2 #7E7EC5

Accessibility & contrast

On white

9.26

#3F3E8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#3F3E8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3E8A

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3E8A	#FFFFFF	#000000	##FFFFFF
##3F3E8A	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124A8D

Deuteranopia (green-blind)

#064488

Tritanopia (blue-blind)

#1E4F5E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3f3e8a;
/* rgb */ color: rgb(63, 62, 138);
/* oklch */ color: oklch(40.8% 0.123 280.0);

Tailwind

colors: {
  custom: {
    50: '#7a73ad',
    500: '#3f3e8a',
    950: '#000000',
  },
}

SCSS

$custom: #3f3e8a;
$custom-light: #7a73ad;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3e8a",
  "rgb": {
    "r": 63,
    "g": 62,
    "b": 138
  },
  "hsl": {
    "h": 240.789,
    "s": 38,
    "l": 39.216
  },
  "oklch": {
    "l": 0.40786,
    "c": 0.12318,
    "h": 280
  },
  "luminance": 0.06337
}

Semantic roles & 50–950 ramp

primary

#3F3E8A

secondary

#AEAF75

accent

#CE5ACC

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #3F3E8A

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

Preview Lab → · Contrast checker → · Palette generator →