#383FA8#383FA8

#383FA8 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.9% C 0.166 H 274.1°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#383FA8
RGB	rgb(56, 63, 168)
HSL	hsl(236, 50%, 44%)
HSV	hsv(236, 67%, 66%)
CMYK	cmyk(66.7%, 62.5%, 0%, 34.1%)
CIE-LAB	lab(32.31, 31.49, -57.38)
CIE-LCH	lch(32.31, 65.45, 298.76°)
OKLab	oklab(42.91% 0.0119 -0.1654)
OKLCH	oklch(42.91% 0.166 274.1)
XYZ	xyz(10.4739, 7.2220, 37.8802)
Luminance	0.0722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383FA8 #A8A138

analogous

#3877A8 #383FA8 #6938A8

triadic

#383FA8 #A8383F #3FA838

tetradic

#383FA8 #A83877 #A8A138 #38A869

square

#383FA8 #A83877 #A8A138 #38A869

split-complementary

#383FA8 #A86938 #77A838

monochromatic

#191D4C #292E7A #383FA8 #565DC7 #8489D6

Accessibility & contrast

On white

8.59

#383FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#383FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383FA8

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383FA8	#FFFFFF	#000000	##FFFFFF
##383FA8	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051AB

Deuteranopia (green-blind)

#0047A6

Tritanopia (blue-blind)

#00596D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #383fa8;
/* rgb */ color: rgb(56, 63, 168);
/* oklch */ color: oklch(42.9% 0.166 274.1);

Tailwind

colors: {
  custom: {
    50: '#7c74c3',
    500: '#383fa8',
    950: '#000000',
  },
}

SCSS

$custom: #383fa8;
$custom-light: #7c74c3;
$custom-dark: #000000;

JSON

{
  "hex": "#383fa8",
  "rgb": {
    "r": 56,
    "g": 63,
    "b": 168
  },
  "hsl": {
    "h": 236.25,
    "s": 50,
    "l": 43.922
  },
  "oklch": {
    "l": 0.42911,
    "c": 0.16582,
    "h": 274.1
  },
  "luminance": 0.07223
}

Semantic roles & 50–950 ramp

primary

#383FA8

secondary

#C0BC7C

accent

#D14EDA

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #383FA8

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

Preview Lab → · Contrast checker → · Palette generator →