#383AB1#383AB1

#383AB1 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.9% C 0.184 H 274.7°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#383AB1
RGB	rgb(56, 58, 177)
HSL	hsl(239, 52%, 46%)
HSV	hsv(239, 68%, 69%)
CMYK	cmyk(68.4%, 67.2%, 0%, 30.6%)
CIE-LAB	lab(31.90, 37.77, -63.42)
CIE-LCH	lch(31.90, 73.82, 300.78°)
OKLab	oklab(42.85% 0.015 -0.1831)
OKLCH	oklch(42.85% 0.184 274.7)
XYZ	xyz(11.0771, 7.0402, 42.3616)
Luminance	0.0704 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383AB1 #B1AF38

analogous

#3876B1 #383AB1 #7238B1

triadic

#383AB1 #B1383A #3AB138

tetradic

#383AB1 #B13876 #B1AF38 #38B172

square

#383AB1 #B13876 #B1AF38 #38B172

split-complementary

#383AB1 #B17238 #76B138

monochromatic

#1B1C54 #292B83 #383AB1 #5B5DCB #8A8BDA

Accessibility & contrast

On white

8.72

#383AB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#383AB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383AB1

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383AB1	#FFFFFF	#000000	##FFFFFF
##383AB1	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B5

Deuteranopia (green-blind)

#0046AF

Tritanopia (blue-blind)

#005A70

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #383ab1;
/* rgb */ color: rgb(56, 58, 177);
/* oklch */ color: oklch(42.9% 0.184 274.7);

Tailwind

colors: {
  custom: {
    50: '#7f71c9',
    500: '#383ab1',
    950: '#000000',
  },
}

SCSS

$custom: #383ab1;
$custom-light: #7f71c9;
$custom-dark: #000000;

JSON

{
  "hex": "#383ab1",
  "rgb": {
    "r": 56,
    "g": 58,
    "b": 177
  },
  "hsl": {
    "h": 239.008,
    "s": 51.931,
    "l": 45.686
  },
  "oklch": {
    "l": 0.42854,
    "c": 0.18376,
    "h": 274.7
  },
  "luminance": 0.07041
}

Semantic roles & 50–950 ramp

primary

#383AB1

secondary

#C4C381

accent

#D94CDB

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #383AB1

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

Preview Lab → · Contrast checker → · Palette generator →