#383DA3#383DA3

#383DA3 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.1% C 0.162 H 274.9°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#383DA3
RGB	rgb(56, 61, 163)
HSL	hsl(237, 49%, 43%)
HSV	hsv(237, 66%, 64%)
CMYK	cmyk(65.6%, 62.6%, 0%, 36.1%)
CIE-LAB	lab(31.40, 31.02, -55.85)
CIE-LCH	lch(31.40, 63.89, 299.05°)
OKLab	oklab(42.11% 0.0138 -0.1609)
OKLCH	oklch(42.11% 0.162 274.9)
XYZ	xyz(9.9083, 6.8217, 35.4378)
Luminance	0.0682 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383DA3 #A39E38

analogous

#3872A3 #383DA3 #6838A3

triadic

#383DA3 #A3383D #3DA338

tetradic

#383DA3 #A33872 #A39E38 #38A368

square

#383DA3 #A33872 #A39E38 #38A368

split-complementary

#383DA3 #A36838 #72A338

monochromatic

#191B48 #282C75 #383DA3 #5459C4 #8285D4

Accessibility & contrast

On white

8.88

#383DA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#383DA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383DA3

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383DA3	#FFFFFF	#000000	##FFFFFF
##383DA3	1.00	8.88	2.36	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA6

Deuteranopia (green-blind)

#0045A1

Tritanopia (blue-blind)

#00576A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #383da3;
/* rgb */ color: rgb(56, 61, 163);
/* oklch */ color: oklch(42.1% 0.162 274.9);

Tailwind

colors: {
  custom: {
    50: '#7b72bf',
    500: '#383da3',
    950: '#000000',
  },
}

SCSS

$custom: #383da3;
$custom-light: #7b72bf;
$custom-dark: #000000;

JSON

{
  "hex": "#383da3",
  "rgb": {
    "r": 56,
    "g": 61,
    "b": 163
  },
  "hsl": {
    "h": 237.196,
    "s": 48.858,
    "l": 42.941
  },
  "oklch": {
    "l": 0.42113,
    "c": 0.16153,
    "h": 274.9
  },
  "luminance": 0.06823
}

Semantic roles & 50–950 ramp

primary

#383DA3

secondary

#BDBA79

accent

#D24FD8

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #383DA3

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

Preview Lab → · Contrast checker → · Palette generator →