#383DB0#383DB0

#383DB0 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.3% C 0.179 H 274.1°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#383DB0
RGB	rgb(56, 61, 176)
HSL	hsl(238, 52%, 45%)
HSV	hsv(238, 68%, 69%)
CMYK	cmyk(68.2%, 65.3%, 0%, 31%)
CIE-LAB	lab(32.51, 35.56, -61.83)
CIE-LCH	lch(32.51, 71.33, 299.91°)
OKLab	oklab(43.27% 0.0129 -0.1785)
OKLCH	oklch(43.27% 0.179 274.1)
XYZ	xyz(11.1335, 7.3118, 41.8905)
Luminance	0.0731 (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

#383DB0 #B0AB38

analogous

#3879B0 #383DB0 #6F38B0

triadic

#383DB0 #B0383D #3DB038

tetradic

#383DB0 #B03879 #B0AB38 #38B06F

square

#383DB0 #B03879 #B0AB38 #38B06F

split-complementary

#383DB0 #B06F38 #79B038

monochromatic

#1A1D53 #292D82 #383DB0 #5B5FCB #898CD9

Accessibility & contrast

On white

8.53

#383DB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#383DB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383DB0

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383DB0	#FFFFFF	#000000	##FFFFFF
##383DB0	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B4

Deuteranopia (green-blind)

#0047AE

Tritanopia (blue-blind)

#005B71

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #383db0;
/* rgb */ color: rgb(56, 61, 176);
/* oklch */ color: oklch(43.3% 0.179 274.1);

Tailwind

colors: {
  custom: {
    50: '#7e73c9',
    500: '#383db0',
    950: '#000000',
  },
}

SCSS

$custom: #383db0;
$custom-light: #7e73c9;
$custom-dark: #000000;

JSON

{
  "hex": "#383db0",
  "rgb": {
    "r": 56,
    "g": 61,
    "b": 176
  },
  "hsl": {
    "h": 237.5,
    "s": 51.724,
    "l": 45.49
  },
  "oklch": {
    "l": 0.43269,
    "c": 0.17894,
    "h": 274.1
  },
  "luminance": 0.07313
}

Semantic roles & 50–950 ramp

primary

#383DB0

secondary

#C4C180

accent

#D54DDB

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #383DB0

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

Preview Lab → · Contrast checker → · Palette generator →