#383CB8#383CB8

#383CB8 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.8% C 0.191 H 273.9°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#383CB8
RGB	rgb(56, 60, 184)
HSL	hsl(238, 53%, 47%)
HSV	hsv(238, 70%, 72%)
CMYK	cmyk(69.6%, 67.4%, 0%, 27.8%)
CIE-LAB	lab(32.99, 38.95, -65.79)
CIE-LCH	lch(32.99, 76.45, 300.63°)
OKLab	oklab(43.84% 0.0129 -0.1901)
OKLCH	oklch(43.84% 0.191 273.9)
XYZ	xyz(11.8956, 7.5320, 46.1650)
Luminance	0.0753 (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

#383CB8 #B8B438

analogous

#387CB8 #383CB8 #7438B8

triadic

#383CB8 #B8383C #3CB838

tetradic

#383CB8 #B8387C #B8B438 #38B874

square

#383CB8 #B8387C #B8B438 #38B874

split-complementary

#383CB8 #B87438 #7CB838

monochromatic

#1B1D5A #2A2D89 #383CB8 #5F62CE #8E90DD

Accessibility & contrast

On white

8.38

#383CB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#383CB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383CB8

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383CB8	#FFFFFF	#000000	##FFFFFF
##383CB8	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BC

Deuteranopia (green-blind)

#0048B6

Tritanopia (blue-blind)

#005D75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #383cb8;
/* rgb */ color: rgb(56, 60, 184);
/* oklch */ color: oklch(43.8% 0.191 273.9);

Tailwind

colors: {
  custom: {
    50: '#8072ce',
    500: '#383cb8',
    950: '#000000',
  },
}

SCSS

$custom: #383cb8;
$custom-light: #8072ce;
$custom-dark: #000000;

JSON

{
  "hex": "#383cb8",
  "rgb": {
    "r": 56,
    "g": 60,
    "b": 184
  },
  "hsl": {
    "h": 238.125,
    "s": 53.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.43838,
    "c": 0.1905,
    "h": 273.9
  },
  "luminance": 0.07533
}

Semantic roles & 50–950 ramp

primary

#383CB8

secondary

#C7C585

accent

#D84BDD

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #383CB8

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

Preview Lab → · Contrast checker → · Palette generator →