#383D9F#383D9F

#383D9F is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.8% C 0.156 H 275.1°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#383D9F
RGB	rgb(56, 61, 159)
HSL	hsl(237, 48%, 42%)
HSV	hsv(237, 65%, 62%)
CMYK	cmyk(64.8%, 61.6%, 0%, 37.6%)
CIE-LAB	lab(31.07, 29.61, -53.97)
CIE-LCH	lch(31.07, 61.56, 298.75°)
OKLab	oklab(41.77% 0.0139 -0.1554)
OKLCH	oklch(41.77% 0.156 275.1)
XYZ	xyz(9.5556, 6.6806, 33.5801)
Luminance	0.0668 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383D9F #9F9A38

analogous

#38719F #383D9F #66389F

triadic

#383D9F #9F383D #3D9F38

tetradic

#383D9F #9F3871 #9F9A38 #389F66

square

#383D9F #9F3871 #9F9A38 #389F66

split-complementary

#383D9F #9F6638 #719F38

monochromatic

#181A44 #282C72 #383D9F #5258C2 #7F83D2

Accessibility & contrast

On white

8.99

#383D9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#383D9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383D9F

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383D9F	#FFFFFF	#000000	##FFFFFF
##383D9F	1.00	8.99	2.34	8.99
#FFFFFF	8.99	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA2

Deuteranopia (green-blind)

#00459D

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #383d9f;
/* rgb */ color: rgb(56, 61, 159);
/* oklch */ color: oklch(41.8% 0.156 275.1);

Tailwind

colors: {
  custom: {
    50: '#7b72bc',
    500: '#383d9f',
    950: '#000000',
  },
}

SCSS

$custom: #383d9f;
$custom-light: #7b72bc;
$custom-dark: #000000;

JSON

{
  "hex": "#383d9f",
  "rgb": {
    "r": 56,
    "g": 61,
    "b": 159
  },
  "hsl": {
    "h": 237.087,
    "s": 47.907,
    "l": 42.157
  },
  "oklch": {
    "l": 0.41768,
    "c": 0.15604,
    "h": 275.1
  },
  "luminance": 0.06681
}

Semantic roles & 50–950 ramp

primary

#383D9F

secondary

#BBB877

accent

#D150D7

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #383D9F

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

Preview Lab → · Contrast checker → · Palette generator →