#383F9D#383F9D

#383F9D is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.0% C 0.151 H 274.6°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#383F9D
RGB	rgb(56, 63, 157)
HSL	hsl(236, 47%, 42%)
HSV	hsv(236, 64%, 62%)
CMYK	cmyk(64.3%, 59.9%, 0%, 38.4%)
CIE-LAB	lab(31.42, 27.60, -52.20)
CIE-LCH	lch(31.42, 59.05, 297.87°)
OKLab	oklab(41.97% 0.0122 -0.1502)
OKLCH	oklch(41.97% 0.151 274.6)
XYZ	xyz(9.4922, 6.8293, 32.7097)
Luminance	0.0683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383F9D #9D9638

analogous

#38729D #383F9D #64389D

triadic

#383F9D #9D383F #3F9D38

tetradic

#383F9D #9D3872 #9D9638 #389D64

square

#383F9D #9D3872 #9D9638 #389D64

split-complementary

#383F9D #9D6438 #729D38

monochromatic

#181B43 #282D70 #383F9D #5159C1 #7E84D1

Accessibility & contrast

On white

8.88

#383F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#383F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383F9D

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383F9D	#FFFFFF	#000000	##FFFFFF
##383F9D	1.00	8.88	2.37	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA0

Deuteranopia (green-blind)

#00469B

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #383f9d;
/* rgb */ color: rgb(56, 63, 157);
/* oklch */ color: oklch(42.0% 0.151 274.6);

Tailwind

colors: {
  custom: {
    50: '#7a74bb',
    500: '#383f9d',
    950: '#000000',
  },
}

SCSS

$custom: #383f9d;
$custom-light: #7a74bb;
$custom-dark: #000000;

JSON

{
  "hex": "#383f9d",
  "rgb": {
    "r": 56,
    "g": 63,
    "b": 157
  },
  "hsl": {
    "h": 235.842,
    "s": 47.418,
    "l": 41.765
  },
  "oklch": {
    "l": 0.41974,
    "c": 0.15067,
    "h": 274.6
  },
  "luminance": 0.0683
}

Semantic roles & 50–950 ramp

primary

#383F9D

secondary

#BAB676

accent

#CE51D7

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #383F9D

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

Preview Lab → · Contrast checker → · Palette generator →