#3F368D#3F368D

#3F368D is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.5% C 0.139 H 282.7°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#3F368D
RGB	rgb(63, 54, 141)
HSL	hsl(246, 45%, 38%)
HSV	hsv(246, 62%, 55%)
CMYK	cmyk(55.3%, 61.7%, 0%, 44.7%)
CIE-LAB	lab(28.43, 29.22, -47.24)
CIE-LCH	lch(28.43, 55.54, 301.74°)
OKLab	oklab(39.51% 0.0305 -0.1355)
OKLCH	oklch(39.51% 0.139 282.7)
XYZ	xyz(8.1753, 5.6177, 25.8477)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F368D #848D36

analogous

#36588D #3F368D #6A368D

triadic

#3F368D #8D3F36 #368D3F

tetradic

#3F368D #8D3658 #848D36 #368D6A

square

#3F368D #8D3658 #848D36 #368D6A

split-complementary

#3F368D #8D6A36 #588D36

monochromatic

#171434 #2B2561 #3F368D #5347B9 #7D74CA

Accessibility & contrast

On white

9.89

#3F368D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3F368D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F368D

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F368D	#FFFFFF	#000000	##FFFFFF
##3F368D	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004690

Deuteranopia (green-blind)

#00408B

Tritanopia (blue-blind)

#1D4B5C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3f368d;
/* rgb */ color: rgb(63, 54, 141);
/* oklch */ color: oklch(39.5% 0.139 282.7);

Tailwind

colors: {
  custom: {
    50: '#7b6daf',
    500: '#3f368d',
    950: '#000000',
  },
}

SCSS

$custom: #3f368d;
$custom-light: #7b6daf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f368d",
  "rgb": {
    "r": 63,
    "g": 54,
    "b": 141
  },
  "hsl": {
    "h": 246.207,
    "s": 44.615,
    "l": 38.235
  },
  "oklch": {
    "l": 0.39508,
    "c": 0.13884,
    "h": 282.7
  },
  "luminance": 0.05618
}

Semantic roles & 50–950 ramp

primary

#3F368D

secondary

#ABB26D

accent

#D453C7

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #3F368D

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

Preview Lab → · Contrast checker → · Palette generator →