#383BBC#383BBC

#383BBC is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.1% C 0.197 H 273.8°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#383BBC
RGB	rgb(56, 59, 188)
HSL	hsl(239, 54%, 48%)
HSV	hsv(239, 70%, 74%)
CMYK	cmyk(70.2%, 68.6%, 0%, 26.3%)
CIE-LAB	lab(33.13, 40.92, -67.91)
CIE-LCH	lch(33.13, 79.29, 301.07°)
OKLab	oklab(44.05% 0.0131 -0.1963)
OKLCH	oklch(44.05% 0.197 273.8)
XYZ	xyz(12.2689, 7.5983, 48.3873)
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

#383BBC #BCB938

analogous

#387DBC #383BBC #7738BC

triadic

#383BBC #BC383B #3BBC38

tetradic

#383BBC #BC387D #BCB938 #38BC77

square

#383BBC #BC387D #BCB938 #38BC77

split-complementary

#383BBC #BC7738 #7DBC38

monochromatic

#1C1D5E #2A2C8D #383BBC #6164D0 #9092DE

Accessibility & contrast

On white

8.33

#383BBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#383BBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383BBC

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383BBC	#FFFFFF	#000000	##FFFFFF
##383BBC	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C0

Deuteranopia (green-blind)

#0048BA

Tritanopia (blue-blind)

#005E77

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #383bbc;
/* rgb */ color: rgb(56, 59, 188);
/* oklch */ color: oklch(44.1% 0.197 273.8);

Tailwind

colors: {
  custom: {
    50: '#8172d1',
    500: '#383bbc',
    950: '#000000',
  },
}

SCSS

$custom: #383bbc;
$custom-light: #8172d1;
$custom-dark: #000000;

JSON

{
  "hex": "#383bbc",
  "rgb": {
    "r": 56,
    "g": 59,
    "b": 188
  },
  "hsl": {
    "h": 238.636,
    "s": 54.098,
    "l": 47.843
  },
  "oklch": {
    "l": 0.44054,
    "c": 0.19672,
    "h": 273.8
  },
  "luminance": 0.076
}

Semantic roles & 50–950 ramp

primary

#383BBC

secondary

#C9C787

accent

#DA4ADD

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #383BBC

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

Preview Lab → · Contrast checker → · Palette generator →