#383DA1#383DA1

#383DA1 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.9% C 0.159 H 275.0°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#383DA1
RGB	rgb(56, 61, 161)
HSL	hsl(237, 48%, 43%)
HSV	hsv(237, 65%, 63%)
CMYK	cmyk(65.2%, 62.1%, 0%, 36.9%)
CIE-LAB	lab(31.23, 30.32, -54.92)
CIE-LCH	lch(31.23, 62.73, 298.90°)
OKLab	oklab(41.94% 0.0139 -0.1582)
OKLCH	oklch(41.94% 0.159 275)
XYZ	xyz(9.7305, 6.7506, 34.5015)
Luminance	0.0675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383DA1 #A19C38

analogous

#3871A1 #383DA1 #6838A1

triadic

#383DA1 #A1383D #3DA138

tetradic

#383DA1 #A13871 #A19C38 #38A168

square

#383DA1 #A13871 #A19C38 #38A168

split-complementary

#383DA1 #A16838 #71A138

monochromatic

#181B46 #282C74 #383DA1 #5358C3 #8084D3

Accessibility & contrast

On white

8.94

#383DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#383DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383DA1

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383DA1	#FFFFFF	#000000	##FFFFFF
##383DA1	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA4

Deuteranopia (green-blind)

#00459F

Tritanopia (blue-blind)

#005669

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #383da1;
/* rgb */ color: rgb(56, 61, 161);
/* oklch */ color: oklch(41.9% 0.159 275.0);

Tailwind

colors: {
  custom: {
    50: '#7b72be',
    500: '#383da1',
    950: '#000000',
  },
}

SCSS

$custom: #383da1;
$custom-light: #7b72be;
$custom-dark: #000000;

JSON

{
  "hex": "#383da1",
  "rgb": {
    "r": 56,
    "g": 61,
    "b": 161
  },
  "hsl": {
    "h": 237.143,
    "s": 48.387,
    "l": 42.549
  },
  "oklch": {
    "l": 0.4194,
    "c": 0.15879,
    "h": 275
  },
  "luminance": 0.06751
}

Semantic roles & 50–950 ramp

primary

#383DA1

secondary

#BCB978

accent

#D150D8

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #383DA1

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

Preview Lab → · Contrast checker → · Palette generator →