#383CA6#383CA6

#383CA6 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.2% C 0.167 H 275.0°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#383CA6
RGB	rgb(56, 60, 166)
HSL	hsl(238, 50%, 44%)
HSV	hsv(238, 66%, 65%)
CMYK	cmyk(66.3%, 63.9%, 0%, 34.9%)
CIE-LAB	lab(31.40, 32.71, -57.65)
CIE-LCH	lch(31.40, 66.28, 299.57°)
OKLab	oklab(42.2% 0.0145 -0.1662)
OKLCH	oklch(42.2% 0.167 275)
XYZ	xyz(10.1274, 6.8248, 36.8526)
Luminance	0.0683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.11

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383CA6 #A6A238

analogous

#3873A6 #383CA6 #6B38A6

triadic

#383CA6 #A6383C #3CA638

tetradic

#383CA6 #A63873 #A6A238 #38A66B

square

#383CA6 #A63873 #A6A238 #38A66B

split-complementary

#383CA6 #A66B38 #73A638

monochromatic

#191B4A #292B78 #383CA6 #5559C6 #8386D5

Accessibility & contrast

On white

8.88

#383CA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#383CA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383CA6

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383CA6	#FFFFFF	#000000	##FFFFFF
##383CA6	1.00	8.88	2.37	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA9

Deuteranopia (green-blind)

#0045A4

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #383ca6;
/* rgb */ color: rgb(56, 60, 166);
/* oklch */ color: oklch(42.2% 0.167 275.0);

Tailwind

colors: {
  custom: {
    50: '#7c72c1',
    500: '#383ca6',
    950: '#000000',
  },
}

SCSS

$custom: #383ca6;
$custom-light: #7c72c1;
$custom-dark: #000000;

JSON

{
  "hex": "#383ca6",
  "rgb": {
    "r": 56,
    "g": 60,
    "b": 166
  },
  "hsl": {
    "h": 237.818,
    "s": 49.55,
    "l": 43.529
  },
  "oklch": {
    "l": 0.42196,
    "c": 0.16684,
    "h": 275
  },
  "luminance": 0.06826
}

Semantic roles & 50–950 ramp

primary

#383CA6

secondary

#BFBC7B

accent

#D44FD9

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #383CA6

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

Preview Lab → · Contrast checker → · Palette generator →