#383DA6#383DA6

#383DA6 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.4% C 0.166 H 274.7°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#383DA6
RGB	rgb(56, 61, 166)
HSL	hsl(237, 50%, 44%)
HSV	hsv(237, 66%, 65%)
CMYK	cmyk(66.3%, 63.3%, 0%, 34.9%)
CIE-LAB	lab(31.65, 32.07, -57.25)
CIE-LCH	lch(31.65, 65.62, 299.26°)
OKLab	oklab(42.38% 0.0136 -0.165)
OKLCH	oklch(42.38% 0.166 274.7)
XYZ	xyz(10.1803, 6.9305, 36.8702)
Luminance	0.0693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.18

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383DA6 #A6A138

analogous

#3874A6 #383DA6 #6A38A6

triadic

#383DA6 #A6383D #3DA638

tetradic

#383DA6 #A63874 #A6A138 #38A66A

square

#383DA6 #A63874 #A6A138 #38A66A

split-complementary

#383DA6 #A66A38 #74A638

monochromatic

#191B4A #292C78 #383DA6 #555BC6 #8387D5

Accessibility & contrast

On white

8.80

#383DA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#383DA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383DA6

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383DA6	#FFFFFF	#000000	##FFFFFF
##383DA6	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA9

Deuteranopia (green-blind)

#0046A4

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #383da6;
/* rgb */ color: rgb(56, 61, 166);
/* oklch */ color: oklch(42.4% 0.166 274.7);

Tailwind

colors: {
  custom: {
    50: '#7c72c1',
    500: '#383da6',
    950: '#000000',
  },
}

SCSS

$custom: #383da6;
$custom-light: #7c72c1;
$custom-dark: #000000;

JSON

{
  "hex": "#383da6",
  "rgb": {
    "r": 56,
    "g": 61,
    "b": 166
  },
  "hsl": {
    "h": 237.273,
    "s": 49.55,
    "l": 43.529
  },
  "oklch": {
    "l": 0.42375,
    "c": 0.1656,
    "h": 274.7
  },
  "luminance": 0.06931
}

Semantic roles & 50–950 ramp

primary

#383DA6

secondary

#BFBC7B

accent

#D34FD9

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #383DA6

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

Preview Lab → · Contrast checker → · Palette generator →