#383DB7#383DB7

#383DB7 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.9% C 0.188 H 273.8°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#383DB7
RGB	rgb(56, 61, 183)
HSL	hsl(238, 53%, 47%)
HSV	hsv(238, 69%, 72%)
CMYK	cmyk(69.4%, 66.7%, 0%, 28.2%)
CIE-LAB	lab(33.13, 37.99, -64.97)
CIE-LCH	lch(33.13, 75.26, 300.31°)
OKLab	oklab(43.91% 0.0123 -0.1877)
OKLCH	oklch(43.91% 0.188 273.8)
XYZ	xyz(11.8440, 7.5960, 45.6326)
Luminance	0.0760 (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

#383DB7 #B7B238

analogous

#387DB7 #383DB7 #7338B7

triadic

#383DB7 #B7383D #3DB738

tetradic

#383DB7 #B7387D #B7B238 #38B773

square

#383DB7 #B7387D #B7B238 #38B773

split-complementary

#383DB7 #B77338 #7DB738

monochromatic

#1B1E59 #2A2D88 #383DB7 #5E63CE #8D90DC

Accessibility & contrast

On white

8.34

#383DB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#383DB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383DB7

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383DB7	#FFFFFF	#000000	##FFFFFF
##383DB7	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BB

Deuteranopia (green-blind)

#0048B5

Tritanopia (blue-blind)

#005D75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #383db7;
/* rgb */ color: rgb(56, 61, 183);
/* oklch */ color: oklch(43.9% 0.188 273.8);

Tailwind

colors: {
  custom: {
    50: '#8073ce',
    500: '#383db7',
    950: '#000000',
  },
}

SCSS

$custom: #383db7;
$custom-light: #8073ce;
$custom-dark: #000000;

JSON

{
  "hex": "#383db7",
  "rgb": {
    "r": 56,
    "g": 61,
    "b": 183
  },
  "hsl": {
    "h": 237.638,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.43911,
    "c": 0.18806,
    "h": 273.8
  },
  "luminance": 0.07597
}

Semantic roles & 50–950 ramp

primary

#383DB7

secondary

#C7C484

accent

#D74BDD

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #383DB7

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

Preview Lab → · Contrast checker → · Palette generator →