#383EB5#383EB5

#383EB5 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.9% C 0.184 H 273.7°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#383EB5
RGB	rgb(56, 62, 181)
HSL	hsl(237, 53%, 46%)
HSV	hsv(237, 69%, 71%)
CMYK	cmyk(69.1%, 65.7%, 0%, 29%)
CIE-LAB	lab(33.18, 36.68, -63.70)
CIE-LCH	lch(33.18, 73.50, 299.93°)
OKLab	oklab(43.9% 0.0118 -0.1839)
OKLCH	oklch(43.9% 0.184 273.7)
XYZ	xyz(11.6912, 7.6211, 44.5620)
Luminance	0.0762 (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

#383EB5 #B5AF38

analogous

#387DB5 #383EB5 #7138B5

triadic

#383EB5 #B5383E #3EB538

tetradic

#383EB5 #B5387D #B5AF38 #38B571

square

#383EB5 #B5387D #B5AF38 #38B571

split-complementary

#383EB5 #B57138 #7DB538

monochromatic

#1B1E58 #2A2E86 #383EB5 #5D63CD #8C90DB

Accessibility & contrast

On white

8.32

#383EB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#383EB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383EB5

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383EB5	#FFFFFF	#000000	##FFFFFF
##383EB5	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B9

Deuteranopia (green-blind)

#0048B3

Tritanopia (blue-blind)

#005D74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #383eb5;
/* rgb */ color: rgb(56, 62, 181);
/* oklch */ color: oklch(43.9% 0.184 273.7);

Tailwind

colors: {
  custom: {
    50: '#7f73cc',
    500: '#383eb5',
    950: '#000000',
  },
}

SCSS

$custom: #383eb5;
$custom-light: #7f73cc;
$custom-dark: #000000;

JSON

{
  "hex": "#383eb5",
  "rgb": {
    "r": 56,
    "g": 62,
    "b": 181
  },
  "hsl": {
    "h": 237.12,
    "s": 52.743,
    "l": 46.471
  },
  "oklch": {
    "l": 0.43896,
    "c": 0.18431,
    "h": 273.7
  },
  "luminance": 0.07622
}

Semantic roles & 50–950 ramp

primary

#383EB5

secondary

#C6C383

accent

#D54CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #383EB5

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

Preview Lab → · Contrast checker → · Palette generator →