#383CA8#383CA8

#383CA8 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.4% C 0.170 H 274.8°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#383CA8
RGB	rgb(56, 60, 168)
HSL	hsl(238, 50%, 44%)
HSV	hsv(238, 67%, 66%)
CMYK	cmyk(66.7%, 64.3%, 0%, 34.1%)
CIE-LAB	lab(31.58, 33.41, -58.57)
CIE-LCH	lch(31.58, 67.43, 299.70°)
OKLab	oklab(42.37% 0.0143 -0.1689)
OKLCH	oklch(42.37% 0.17 274.8)
XYZ	xyz(10.3123, 6.8987, 37.8263)
Luminance	0.0690 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.87

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383CA8 #A8A438

analogous

#3874A8 #383CA8 #6C38A8

triadic

#383CA8 #A8383C #3CA838

tetradic

#383CA8 #A83874 #A8A438 #38A86C

square

#383CA8 #A83874 #A8A438 #38A86C

split-complementary

#383CA8 #A86C38 #74A838

monochromatic

#191B4C #292C7A #383CA8 #565AC7 #8487D6

Accessibility & contrast

On white

8.82

#383CA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#383CA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383CA8

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383CA8	#FFFFFF	#000000	##FFFFFF
##383CA8	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAB

Deuteranopia (green-blind)

#0045A6

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #383ca8;
/* rgb */ color: rgb(56, 60, 168);
/* oklch */ color: oklch(42.4% 0.170 274.8);

Tailwind

colors: {
  custom: {
    50: '#7d72c3',
    500: '#383ca8',
    950: '#000000',
  },
}

SCSS

$custom: #383ca8;
$custom-light: #7d72c3;
$custom-dark: #000000;

JSON

{
  "hex": "#383ca8",
  "rgb": {
    "r": 56,
    "g": 60,
    "b": 168
  },
  "hsl": {
    "h": 237.857,
    "s": 50,
    "l": 43.922
  },
  "oklch": {
    "l": 0.42374,
    "c": 0.16953,
    "h": 274.8
  },
  "luminance": 0.069
}

Semantic roles & 50–950 ramp

primary

#383CA8

secondary

#C0BD7C

accent

#D54EDA

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #383CA8

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

Preview Lab → · Contrast checker → · Palette generator →