#383FBA#383FBA

#383FBA is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.5% C 0.190 H 273.2°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#383FBA
RGB	rgb(56, 63, 186)
HSL	hsl(237, 54%, 47%)
HSV	hsv(237, 70%, 73%)
CMYK	cmyk(69.9%, 66.1%, 0%, 27.1%)
CIE-LAB	lab(33.86, 37.79, -65.54)
CIE-LCH	lch(33.86, 75.66, 299.96°)
OKLab	oklab(44.52% 0.0107 -0.1893)
OKLCH	oklch(44.52% 0.19 273.2)
XYZ	xyz(12.2684, 7.9398, 47.3308)
Luminance	0.0794 (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

#383FBA #BAB338

analogous

#3880BA #383FBA #7238BA

triadic

#383FBA #BA383F #3FBA38

tetradic

#383FBA #BA3880 #BAB338 #38BA72

square

#383FBA #BA3880 #BAB338 #38BA72

split-complementary

#383FBA #BA7238 #80BA38

monochromatic

#1C1F5C #2A2F8B #383FBA #6066CF #8F93DD

Accessibility & contrast

On white

8.11

#383FBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#383FBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383FBA

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383FBA	#FFFFFF	#000000	##FFFFFF
##383FBA	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BE

Deuteranopia (green-blind)

#004AB8

Tritanopia (blue-blind)

#005F77

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #383fba;
/* rgb */ color: rgb(56, 63, 186);
/* oklch */ color: oklch(44.5% 0.190 273.2);

Tailwind

colors: {
  custom: {
    50: '#8074d0',
    500: '#383fba',
    950: '#000000',
  },
}

SCSS

$custom: #383fba;
$custom-light: #8074d0;
$custom-dark: #000000;

JSON

{
  "hex": "#383fba",
  "rgb": {
    "r": 56,
    "g": 63,
    "b": 186
  },
  "hsl": {
    "h": 236.769,
    "s": 53.719,
    "l": 47.451
  },
  "oklch": {
    "l": 0.44524,
    "c": 0.18964,
    "h": 273.2
  },
  "luminance": 0.07941
}

Semantic roles & 50–950 ramp

primary

#383FBA

secondary

#C8C486

accent

#D54BDD

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #383FBA

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

Preview Lab → · Contrast checker → · Palette generator →