#383FBC#383FBC

#383FBC is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.7% C 0.192 H 273.1°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#383FBC
RGB	rgb(56, 63, 188)
HSL	hsl(237, 54%, 48%)
HSV	hsv(237, 70%, 74%)
CMYK	cmyk(70.2%, 66.5%, 0%, 26.3%)
CIE-LAB	lab(34.04, 38.48, -66.43)
CIE-LCH	lch(34.04, 76.77, 300.08°)
OKLab	oklab(44.71% 0.0105 -0.1919)
OKLCH	oklch(44.71% 0.192 273.1)
XYZ	xyz(12.4825, 8.0254, 48.4584)
Luminance	0.0803 (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

#383FBC #BCB538

analogous

#3881BC #383FBC #7338BC

triadic

#383FBC #BC383F #3FBC38

tetradic

#383FBC #BC3881 #BCB538 #38BC73

square

#383FBC #BC3881 #BCB538 #38BC73

split-complementary

#383FBC #BC7338 #81BC38

monochromatic

#1C1F5E #2A2F8D #383FBC #6167D0 #9094DE

Accessibility & contrast

On white

8.06

#383FBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#383FBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383FBC

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383FBC	#FFFFFF	#000000	##FFFFFF
##383FBC	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C0

Deuteranopia (green-blind)

#004ABA

Tritanopia (blue-blind)

#006078

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #383fbc;
/* rgb */ color: rgb(56, 63, 188);
/* oklch */ color: oklch(44.7% 0.192 273.1);

Tailwind

colors: {
  custom: {
    50: '#8174d1',
    500: '#383fbc',
    950: '#000000',
  },
}

SCSS

$custom: #383fbc;
$custom-light: #8174d1;
$custom-dark: #000000;

JSON

{
  "hex": "#383fbc",
  "rgb": {
    "r": 56,
    "g": 63,
    "b": 188
  },
  "hsl": {
    "h": 236.818,
    "s": 54.098,
    "l": 47.843
  },
  "oklch": {
    "l": 0.44709,
    "c": 0.19222,
    "h": 273.1
  },
  "luminance": 0.08027
}

Semantic roles & 50–950 ramp

primary

#383FBC

secondary

#C9C587

accent

#D64ADD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #383FBC

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

Preview Lab → · Contrast checker → · Palette generator →