#383FA4#383FA4

#383FA4 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.6% C 0.160 H 274.3°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#383FA4
RGB	rgb(56, 63, 164)
HSL	hsl(236, 49%, 43%)
HSV	hsv(236, 66%, 64%)
CMYK	cmyk(65.9%, 61.6%, 0%, 35.7%)
CIE-LAB	lab(31.98, 30.08, -55.51)
CIE-LCH	lch(31.98, 63.14, 298.45°)
OKLab	oklab(42.57% 0.012 -0.1599)
OKLCH	oklch(42.57% 0.16 274.3)
XYZ	xyz(10.1070, 7.0752, 35.9478)
Luminance	0.0708 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383FA4 #A49D38

analogous

#3875A4 #383FA4 #6738A4

triadic

#383FA4 #A4383F #3FA438

tetradic

#383FA4 #A43875 #A49D38 #38A467

square

#383FA4 #A43875 #A49D38 #38A467

split-complementary

#383FA4 #A46738 #75A438

monochromatic

#191C49 #282D76 #383FA4 #545CC5 #8287D4

Accessibility & contrast

On white

8.69

#383FA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#383FA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383FA4

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383FA4	#FFFFFF	#000000	##FFFFFF
##383FA4	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A7

Deuteranopia (green-blind)

#0046A2

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #383fa4;
/* rgb */ color: rgb(56, 63, 164);
/* oklch */ color: oklch(42.6% 0.160 274.3);

Tailwind

colors: {
  custom: {
    50: '#7c74c0',
    500: '#383fa4',
    950: '#000000',
  },
}

SCSS

$custom: #383fa4;
$custom-light: #7c74c0;
$custom-dark: #000000;

JSON

{
  "hex": "#383fa4",
  "rgb": {
    "r": 56,
    "g": 63,
    "b": 164
  },
  "hsl": {
    "h": 236.111,
    "s": 49.091,
    "l": 43.137
  },
  "oklch": {
    "l": 0.42566,
    "c": 0.16036,
    "h": 274.3
  },
  "luminance": 0.07076
}

Semantic roles & 50–950 ramp

primary

#383FA4

secondary

#BEBA7A

accent

#D04FD9

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #383FA4

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

Preview Lab → · Contrast checker → · Palette generator →