#383DB6#383DB6

#383DB6 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.8% C 0.187 H 273.8°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#383DB6
RGB	rgb(56, 61, 182)
HSL	hsl(238, 53%, 47%)
HSV	hsv(238, 69%, 71%)
CMYK	cmyk(69.2%, 66.5%, 0%, 28.6%)
CIE-LAB	lab(33.04, 37.64, -64.52)
CIE-LCH	lch(33.04, 74.70, 300.26°)
OKLab	oklab(43.82% 0.0124 -0.1864)
OKLCH	oklch(43.82% 0.187 273.8)
XYZ	xyz(11.7403, 7.5545, 45.0864)
Luminance	0.0756 (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

#383DB6 #B6B138

analogous

#387CB6 #383DB6 #7238B6

triadic

#383DB6 #B6383D #3DB638

tetradic

#383DB6 #B6387C #B6B138 #38B672

square

#383DB6 #B6387C #B6B138 #38B672

split-complementary

#383DB6 #B67238 #7CB638

monochromatic

#1B1E58 #2A2D87 #383DB6 #5E62CD #8D90DC

Accessibility & contrast

On white

8.36

#383DB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#383DB6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383DB6

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383DB6	#FFFFFF	#000000	##FFFFFF
##383DB6	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BA

Deuteranopia (green-blind)

#0048B4

Tritanopia (blue-blind)

#005D74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #383db6;
/* rgb */ color: rgb(56, 61, 182);
/* oklch */ color: oklch(43.8% 0.187 273.8);

Tailwind

colors: {
  custom: {
    50: '#7f73cd',
    500: '#383db6',
    950: '#000000',
  },
}

SCSS

$custom: #383db6;
$custom-light: #7f73cd;
$custom-dark: #000000;

JSON

{
  "hex": "#383db6",
  "rgb": {
    "r": 56,
    "g": 61,
    "b": 182
  },
  "hsl": {
    "h": 237.619,
    "s": 52.941,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43819,
    "c": 0.18677,
    "h": 273.8
  },
  "luminance": 0.07556
}

Semantic roles & 50–950 ramp

primary

#383DB6

secondary

#C6C484

accent

#D74BDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #383DB6

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

Preview Lab → · Contrast checker → · Palette generator →