#383DA5#383DA5

#383DA5 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.3% C 0.164 H 274.8°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#383DA5
RGB	rgb(56, 61, 165)
HSL	hsl(237, 49%, 43%)
HSV	hsv(237, 66%, 65%)
CMYK	cmyk(66.1%, 63%, 0%, 35.3%)
CIE-LAB	lab(31.56, 31.72, -56.79)
CIE-LCH	lch(31.56, 65.04, 299.19°)
OKLab	oklab(42.29% 0.0137 -0.1637)
OKLCH	oklch(42.29% 0.164 274.8)
XYZ	xyz(10.0889, 6.8940, 36.3890)
Luminance	0.0689 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.30

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383DA5 #A5A038

analogous

#3873A5 #383DA5 #6938A5

triadic

#383DA5 #A5383D #3DA538

tetradic

#383DA5 #A53873 #A5A038 #38A569

square

#383DA5 #A53873 #A5A038 #38A569

split-complementary

#383DA5 #A56938 #73A538

monochromatic

#191B4A #282C77 #383DA5 #555AC5 #8386D5

Accessibility & contrast

On white

8.83

#383DA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#383DA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383DA5

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383DA5	#FFFFFF	#000000	##FFFFFF
##383DA5	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA8

Deuteranopia (green-blind)

#0045A3

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #383da5;
/* rgb */ color: rgb(56, 61, 165);
/* oklch */ color: oklch(42.3% 0.164 274.8);

Tailwind

colors: {
  custom: {
    50: '#7c72c1',
    500: '#383da5',
    950: '#000000',
  },
}

SCSS

$custom: #383da5;
$custom-light: #7c72c1;
$custom-dark: #000000;

JSON

{
  "hex": "#383da5",
  "rgb": {
    "r": 56,
    "g": 61,
    "b": 165
  },
  "hsl": {
    "h": 237.248,
    "s": 49.321,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42287,
    "c": 0.16425,
    "h": 274.8
  },
  "luminance": 0.06895
}

Semantic roles & 50–950 ramp

primary

#383DA5

secondary

#BEBB7A

accent

#D34FD9

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #383DA5

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

Preview Lab → · Contrast checker → · Palette generator →