#383DAD#383DAD

#383DAD is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.0% C 0.175 H 274.3°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#383DAD
RGB	rgb(56, 61, 173)
HSL	hsl(237, 51%, 45%)
HSV	hsv(237, 68%, 68%)
CMYK	cmyk(67.6%, 64.7%, 0%, 32.2%)
CIE-LAB	lab(32.25, 34.52, -60.47)
CIE-LCH	lch(32.25, 69.63, 299.72°)
OKLab	oklab(43% 0.0132 -0.1745)
OKLCH	oklch(43% 0.175 274.3)
XYZ	xyz(10.8400, 7.1944, 40.3445)
Luminance	0.0720 (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

#383DAD #ADA838

analogous

#3877AD #383DAD #6E38AD

triadic

#383DAD #AD383D #3DAD38

tetradic

#383DAD #AD3877 #ADA838 #38AD6E

square

#383DAD #AD3877 #ADA838 #38AD6E

split-complementary

#383DAD #AD6E38 #77AD38

monochromatic

#1A1C51 #292D7F #383DAD #595EC9 #878BD8

Accessibility & contrast

On white

8.61

#383DAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#383DAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383DAD

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383DAD	#FFFFFF	#000000	##FFFFFF
##383DAD	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B1

Deuteranopia (green-blind)

#0047AB

Tritanopia (blue-blind)

#005A6F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #383dad;
/* rgb */ color: rgb(56, 61, 173);
/* oklch */ color: oklch(43.0% 0.175 274.3);

Tailwind

colors: {
  custom: {
    50: '#7e73c6',
    500: '#383dad',
    950: '#000000',
  },
}

SCSS

$custom: #383dad;
$custom-light: #7e73c6;
$custom-dark: #000000;

JSON

{
  "hex": "#383dad",
  "rgb": {
    "r": 56,
    "g": 61,
    "b": 173
  },
  "hsl": {
    "h": 237.436,
    "s": 51.092,
    "l": 44.902
  },
  "oklch": {
    "l": 0.42997,
    "c": 0.17498,
    "h": 274.3
  },
  "luminance": 0.07195
}

Semantic roles & 50–950 ramp

primary

#383DAD

secondary

#C2BF7F

accent

#D54DDB

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #383DAD

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

Preview Lab → · Contrast checker → · Palette generator →