#383DB3#383DB3

#383DB3 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.5% C 0.183 H 274.0°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#383DB3
RGB	rgb(56, 61, 179)
HSL	hsl(238, 52%, 46%)
HSV	hsv(238, 69%, 70%)
CMYK	cmyk(68.7%, 65.9%, 0%, 29.8%)
CIE-LAB	lab(32.77, 36.60, -63.18)
CIE-LCH	lch(32.77, 73.02, 300.09°)
OKLab	oklab(43.54% 0.0127 -0.1824)
OKLCH	oklch(43.54% 0.183 274)
XYZ	xyz(11.4336, 7.4319, 43.4710)
Luminance	0.0743 (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

#383DB3 #B3AE38

analogous

#387AB3 #383DB3 #7038B3

triadic

#383DB3 #B3383D #3DB338

tetradic

#383DB3 #B3387A #B3AE38 #38B370

square

#383DB3 #B3387A #B3AE38 #38B370

split-complementary

#383DB3 #B37038 #7AB338

monochromatic

#1B1D56 #292D84 #383DB3 #5C61CC #8B8EDB

Accessibility & contrast

On white

8.45

#383DB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#383DB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383DB3

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383DB3	#FFFFFF	#000000	##FFFFFF
##383DB3	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B7

Deuteranopia (green-blind)

#0047B1

Tritanopia (blue-blind)

#005C72

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #383db3;
/* rgb */ color: rgb(56, 61, 179);
/* oklch */ color: oklch(43.5% 0.183 274.0);

Tailwind

colors: {
  custom: {
    50: '#7f73cb',
    500: '#383db3',
    950: '#000000',
  },
}

SCSS

$custom: #383db3;
$custom-light: #7f73cb;
$custom-dark: #000000;

JSON

{
  "hex": "#383db3",
  "rgb": {
    "r": 56,
    "g": 61,
    "b": 179
  },
  "hsl": {
    "h": 237.561,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43542,
    "c": 0.18287,
    "h": 274
  },
  "luminance": 0.07433
}

Semantic roles & 50–950 ramp

primary

#383DB3

secondary

#C5C282

accent

#D64CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #383DB3

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

Preview Lab → · Contrast checker → · Palette generator →