#383FAD#383FAD

#383FAD is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.4% C 0.173 H 273.9°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#383FAD
RGB	rgb(56, 63, 173)
HSL	hsl(236, 51%, 45%)
HSV	hsv(236, 68%, 68%)
CMYK	cmyk(67.6%, 63.6%, 0%, 32.2%)
CIE-LAB	lab(32.73, 33.25, -59.68)
CIE-LCH	lch(32.73, 68.32, 299.13°)
OKLab	oklab(43.35% 0.0116 -0.1722)
OKLCH	oklch(43.35% 0.173 273.9)
XYZ	xyz(10.9487, 7.4119, 40.3807)
Luminance	0.0741 (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

#383FAD #ADA638

analogous

#387AAD #383FAD #6B38AD

triadic

#383FAD #AD383F #3FAD38

tetradic

#383FAD #AD387A #ADA638 #38AD6B

square

#383FAD #AD387A #ADA638 #38AD6B

split-complementary

#383FAD #AD6B38 #7AAD38

monochromatic

#1A1D51 #292E7F #383FAD #5960C9 #878CD8

Accessibility & contrast

On white

8.46

#383FAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#383FAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383FAD

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383FAD	#FFFFFF	#000000	##FFFFFF
##383FAD	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B1

Deuteranopia (green-blind)

#0048AB

Tritanopia (blue-blind)

#005B70

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #383fad;
/* rgb */ color: rgb(56, 63, 173);
/* oklch */ color: oklch(43.4% 0.173 273.9);

Tailwind

colors: {
  custom: {
    50: '#7d74c6',
    500: '#383fad',
    950: '#000000',
  },
}

SCSS

$custom: #383fad;
$custom-light: #7d74c6;
$custom-dark: #000000;

JSON

{
  "hex": "#383fad",
  "rgb": {
    "r": 56,
    "g": 63,
    "b": 173
  },
  "hsl": {
    "h": 236.41,
    "s": 51.092,
    "l": 44.902
  },
  "oklch": {
    "l": 0.4335,
    "c": 0.17255,
    "h": 273.9
  },
  "luminance": 0.07413
}

Semantic roles & 50–950 ramp

primary

#383FAD

secondary

#C2BE7F

accent

#D24DDB

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #383FAD

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

Preview Lab → · Contrast checker → · Palette generator →