#383DB9#383DB9

#383DB9 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.1% C 0.191 H 273.6°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#383DB9
RGB	rgb(56, 61, 185)
HSL	hsl(238, 54%, 47%)
HSV	hsv(238, 70%, 73%)
CMYK	cmyk(69.7%, 67%, 0%, 27.5%)
CIE-LAB	lab(33.31, 38.68, -65.86)
CIE-LCH	lch(33.31, 76.37, 300.42°)
OKLab	oklab(44.1% 0.0121 -0.1903)
OKLCH	oklch(44.1% 0.191 273.6)
XYZ	xyz(12.0537, 7.6799, 46.7367)
Luminance	0.0768 (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

#383DB9 #B9B438

analogous

#387EB9 #383DB9 #7338B9

triadic

#383DB9 #B9383D #3DB938

tetradic

#383DB9 #B9387E #B9B438 #38B973

square

#383DB9 #B9387E #B9B438 #38B973

split-complementary

#383DB9 #B97338 #7EB938

monochromatic

#1C1E5B #2A2E8A #383DB9 #5F64CF #8E92DD

Accessibility & contrast

On white

8.28

#383DB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#383DB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383DB9

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383DB9	#FFFFFF	#000000	##FFFFFF
##383DB9	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BD

Deuteranopia (green-blind)

#0048B7

Tritanopia (blue-blind)

#005E76

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #383db9;
/* rgb */ color: rgb(56, 61, 185);
/* oklch */ color: oklch(44.1% 0.191 273.6);

Tailwind

colors: {
  custom: {
    50: '#8073cf',
    500: '#383db9',
    950: '#000000',
  },
}

SCSS

$custom: #383db9;
$custom-light: #8073cf;
$custom-dark: #000000;

JSON

{
  "hex": "#383db9",
  "rgb": {
    "r": 56,
    "g": 61,
    "b": 185
  },
  "hsl": {
    "h": 237.674,
    "s": 53.527,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44097,
    "c": 0.19065,
    "h": 273.6
  },
  "luminance": 0.07681
}

Semantic roles & 50–950 ramp

primary

#383DB9

secondary

#C8C585

accent

#D74BDD

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #383DB9

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

Preview Lab → · Contrast checker → · Palette generator →