#383DB8#383DB8

#383DB8 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.0% C 0.189 H 273.7°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#383DB8
RGB	rgb(56, 61, 184)
HSL	hsl(238, 53%, 47%)
HSV	hsv(238, 70%, 72%)
CMYK	cmyk(69.6%, 66.8%, 0%, 27.8%)
CIE-LAB	lab(33.22, 38.33, -65.41)
CIE-LCH	lch(33.22, 75.82, 300.37°)
OKLab	oklab(44% 0.0122 -0.189)
OKLCH	oklch(44% 0.189 273.7)
XYZ	xyz(11.9485, 7.6378, 46.1827)
Luminance	0.0764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383DB8 #B8B338

analogous

#387DB8 #383DB8 #7338B8

triadic

#383DB8 #B8383D #3DB838

tetradic

#383DB8 #B8387D #B8B338 #38B873

square

#383DB8 #B8387D #B8B338 #38B873

split-complementary

#383DB8 #B87338 #7DB838

monochromatic

#1B1E5A #2A2D89 #383DB8 #5F63CE #8E91DD

Accessibility & contrast

On white

8.31

#383DB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#383DB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383DB8

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383DB8	#FFFFFF	#000000	##FFFFFF
##383DB8	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BC

Deuteranopia (green-blind)

#0048B6

Tritanopia (blue-blind)

#005E75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #383db8;
/* rgb */ color: rgb(56, 61, 184);
/* oklch */ color: oklch(44.0% 0.189 273.7);

Tailwind

colors: {
  custom: {
    50: '#8073ce',
    500: '#383db8',
    950: '#000000',
  },
}

SCSS

$custom: #383db8;
$custom-light: #8073ce;
$custom-dark: #000000;

JSON

{
  "hex": "#383db8",
  "rgb": {
    "r": 56,
    "g": 61,
    "b": 184
  },
  "hsl": {
    "h": 237.656,
    "s": 53.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44004,
    "c": 0.18935,
    "h": 273.7
  },
  "luminance": 0.07639
}

Semantic roles & 50–950 ramp

primary

#383DB8

secondary

#C7C585

accent

#D74BDD

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #383DB8

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

Preview Lab → · Contrast checker → · Palette generator →