#3F368E#3F368E

#3F368E is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.6% C 0.140 H 282.5°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#3F368E
RGB	rgb(63, 54, 142)
HSL	hsl(246, 45%, 38%)
HSV	hsv(246, 62%, 56%)
CMYK	cmyk(55.6%, 62%, 0%, 44.3%)
CIE-LAB	lab(28.51, 29.55, -47.73)
CIE-LCH	lch(28.51, 56.14, 301.76°)
OKLab	oklab(39.59% 0.0304 -0.1369)
OKLCH	oklch(39.59% 0.14 282.5)
XYZ	xyz(8.2501, 5.6476, 26.2413)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F368E #858E36

analogous

#36598E #3F368E #6B368E

triadic

#3F368E #8E3F36 #368E3F

tetradic

#3F368E #8E3659 #858E36 #368E6B

square

#3F368E #8E3659 #858E36 #368E6B

split-complementary

#3F368E #8E6B36 #598E36

monochromatic

#181435 #2B2562 #3F368E #5348B9 #7D74CA

Accessibility & contrast

On white

9.86

#3F368E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#3F368E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F368E

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F368E	#FFFFFF	#000000	##FFFFFF
##3F368E	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004691

Deuteranopia (green-blind)

#00408C

Tritanopia (blue-blind)

#1B4B5C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3f368e;
/* rgb */ color: rgb(63, 54, 142);
/* oklch */ color: oklch(39.6% 0.140 282.5);

Tailwind

colors: {
  custom: {
    50: '#7c6db0',
    500: '#3f368e',
    950: '#000000',
  },
}

SCSS

$custom: #3f368e;
$custom-light: #7c6db0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f368e",
  "rgb": {
    "r": 63,
    "g": 54,
    "b": 142
  },
  "hsl": {
    "h": 246.136,
    "s": 44.898,
    "l": 38.431
  },
  "oklch": {
    "l": 0.39591,
    "c": 0.14024,
    "h": 282.5
  },
  "luminance": 0.05648
}

Semantic roles & 50–950 ramp

primary

#3F368E

secondary

#ACB36D

accent

#D553C7

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #3F368E

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

Preview Lab → · Contrast checker → · Palette generator →