#383DB2#383DB2

#383DB2 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.5% C 0.182 H 274.0°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#383DB2
RGB	rgb(56, 61, 178)
HSL	hsl(238, 52%, 46%)
HSV	hsv(238, 69%, 70%)
CMYK	cmyk(68.5%, 65.7%, 0%, 30.2%)
CIE-LAB	lab(32.68, 36.26, -62.73)
CIE-LCH	lch(32.68, 72.46, 300.03°)
OKLab	oklab(43.45% 0.0128 -0.1811)
OKLCH	oklch(43.45% 0.182 274)
XYZ	xyz(11.3328, 7.3915, 42.9403)
Luminance	0.0739 (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

#383DB2 #B2AD38

analogous

#387AB2 #383DB2 #7038B2

triadic

#383DB2 #B2383D #3DB238

tetradic

#383DB2 #B2387A #B2AD38 #38B270

square

#383DB2 #B2387A #B2AD38 #38B270

split-complementary

#383DB2 #B27038 #7AB238

monochromatic

#1B1D55 #292D83 #383DB2 #5C60CC #8A8DDA

Accessibility & contrast

On white

8.47

#383DB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#383DB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383DB2

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383DB2	#FFFFFF	#000000	##FFFFFF
##383DB2	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B6

Deuteranopia (green-blind)

#0047B0

Tritanopia (blue-blind)

#005C72

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #383db2;
/* rgb */ color: rgb(56, 61, 178);
/* oklch */ color: oklch(43.5% 0.182 274.0);

Tailwind

colors: {
  custom: {
    50: '#7f73ca',
    500: '#383db2',
    950: '#000000',
  },
}

SCSS

$custom: #383db2;
$custom-light: #7f73ca;
$custom-dark: #000000;

JSON

{
  "hex": "#383db2",
  "rgb": {
    "r": 56,
    "g": 61,
    "b": 178
  },
  "hsl": {
    "h": 237.541,
    "s": 52.137,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43451,
    "c": 0.18156,
    "h": 274
  },
  "luminance": 0.07393
}

Semantic roles & 50–950 ramp

primary

#383DB2

secondary

#C5C281

accent

#D64CDC

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #383DB2

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

Preview Lab → · Contrast checker → · Palette generator →