#383CA5#383CA5

#383CA5 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.1% C 0.165 H 275.0°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#383CA5
RGB	rgb(56, 60, 165)
HSL	hsl(238, 49%, 43%)
HSV	hsv(238, 66%, 65%)
CMYK	cmyk(66.1%, 63.6%, 0%, 35.3%)
CIE-LAB	lab(31.32, 32.36, -57.18)
CIE-LCH	lch(31.32, 65.71, 299.51°)
OKLab	oklab(42.11% 0.0145 -0.1648)
OKLCH	oklch(42.11% 0.165 275)
XYZ	xyz(10.0360, 6.7882, 36.3714)
Luminance	0.0679 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.24

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383CA5 #A5A138

analogous

#3872A5 #383CA5 #6A38A5

triadic

#383CA5 #A5383C #3CA538

tetradic

#383CA5 #A53872 #A5A138 #38A56A

square

#383CA5 #A53872 #A5A138 #38A56A

split-complementary

#383CA5 #A56A38 #72A538

monochromatic

#191B4A #282B77 #383CA5 #5559C5 #8386D5

Accessibility & contrast

On white

8.91

#383CA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#383CA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383CA5

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383CA5	#FFFFFF	#000000	##FFFFFF
##383CA5	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	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: #383ca5;
/* rgb */ color: rgb(56, 60, 165);
/* oklch */ color: oklch(42.1% 0.165 275.0);

Tailwind

colors: {
  custom: {
    50: '#7c72c1',
    500: '#383ca5',
    950: '#000000',
  },
}

SCSS

$custom: #383ca5;
$custom-light: #7c72c1;
$custom-dark: #000000;

JSON

{
  "hex": "#383ca5",
  "rgb": {
    "r": 56,
    "g": 60,
    "b": 165
  },
  "hsl": {
    "h": 237.798,
    "s": 49.321,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42108,
    "c": 0.16549,
    "h": 275
  },
  "luminance": 0.06789
}

Semantic roles & 50–950 ramp

primary

#383CA5

secondary

#BEBC7A

accent

#D44FD9

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #383CA5

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

Preview Lab → · Contrast checker → · Palette generator →