#383DB1#383DB1

#383DB1 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.4% C 0.180 H 274.1°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#383DB1
RGB	rgb(56, 61, 177)
HSL	hsl(238, 52%, 46%)
HSV	hsv(238, 68%, 69%)
CMYK	cmyk(68.4%, 65.5%, 0%, 30.6%)
CIE-LAB	lab(32.59, 35.91, -62.28)
CIE-LCH	lch(32.59, 71.89, 299.97°)
OKLab	oklab(43.36% 0.0129 -0.1798)
OKLCH	oklch(43.36% 0.18 274.1)
XYZ	xyz(11.2328, 7.3515, 42.4135)
Luminance	0.0735 (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

#383DB1 #B1AC38

analogous

#3879B1 #383DB1 #7038B1

triadic

#383DB1 #B1383D #3DB138

tetradic

#383DB1 #B13879 #B1AC38 #38B170

square

#383DB1 #B13879 #B1AC38 #38B170

split-complementary

#383DB1 #B17038 #79B138

monochromatic

#1B1D54 #292D83 #383DB1 #5B60CB #8A8DDA

Accessibility & contrast

On white

8.50

#383DB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#383DB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383DB1

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383DB1	#FFFFFF	#000000	##FFFFFF
##383DB1	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B5

Deuteranopia (green-blind)

#0047AF

Tritanopia (blue-blind)

#005B71

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #383db1;
/* rgb */ color: rgb(56, 61, 177);
/* oklch */ color: oklch(43.4% 0.180 274.1);

Tailwind

colors: {
  custom: {
    50: '#7e73c9',
    500: '#383db1',
    950: '#000000',
  },
}

SCSS

$custom: #383db1;
$custom-light: #7e73c9;
$custom-dark: #000000;

JSON

{
  "hex": "#383db1",
  "rgb": {
    "r": 56,
    "g": 61,
    "b": 177
  },
  "hsl": {
    "h": 237.521,
    "s": 51.931,
    "l": 45.686
  },
  "oklch": {
    "l": 0.4336,
    "c": 0.18025,
    "h": 274.1
  },
  "luminance": 0.07353
}

Semantic roles & 50–950 ramp

primary

#383DB1

secondary

#C4C181

accent

#D54CDB

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #383DB1

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

Preview Lab → · Contrast checker → · Palette generator →