#383CB5#383CB5

#383CB5 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.6% C 0.187 H 274.1°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#383CB5
RGB	rgb(56, 60, 181)
HSL	hsl(238, 53%, 46%)
HSV	hsv(238, 69%, 71%)
CMYK	cmyk(69.1%, 66.9%, 0%, 29%)
CIE-LAB	lab(32.72, 37.91, -64.46)
CIE-LCH	lch(32.72, 74.78, 300.47°)
OKLab	oklab(43.56% 0.0132 -0.1862)
OKLCH	oklch(43.56% 0.187 274.1)
XYZ	xyz(11.5845, 7.4076, 44.5264)
Luminance	0.0741 (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

#383CB5 #B5B138

analogous

#387BB5 #383CB5 #7338B5

triadic

#383CB5 #B5383C #3CB538

tetradic

#383CB5 #B5387B #B5B138 #38B573

square

#383CB5 #B5387B #B5B138 #38B573

split-complementary

#383CB5 #B57338 #7BB538

monochromatic

#1B1D58 #2A2D86 #383CB5 #5D61CD #8C8FDB

Accessibility & contrast

On white

8.46

#383CB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#383CB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383CB5

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383CB5	#FFFFFF	#000000	##FFFFFF
##383CB5	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B9

Deuteranopia (green-blind)

#0047B3

Tritanopia (blue-blind)

#005C73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #383cb5;
/* rgb */ color: rgb(56, 60, 181);
/* oklch */ color: oklch(43.6% 0.187 274.1);

Tailwind

colors: {
  custom: {
    50: '#7f72cc',
    500: '#383cb5',
    950: '#000000',
  },
}

SCSS

$custom: #383cb5;
$custom-light: #7f72cc;
$custom-dark: #000000;

JSON

{
  "hex": "#383cb5",
  "rgb": {
    "r": 56,
    "g": 60,
    "b": 181
  },
  "hsl": {
    "h": 238.08,
    "s": 52.743,
    "l": 46.471
  },
  "oklch": {
    "l": 0.43559,
    "c": 0.18664,
    "h": 274.1
  },
  "luminance": 0.07409
}

Semantic roles & 50–950 ramp

primary

#383CB5

secondary

#C6C483

accent

#D84CDC

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #383CB5

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

Preview Lab → · Contrast checker → · Palette generator →