#383EB3#383EB3

#383EB3 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.7% C 0.182 H 273.8°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#383EB3
RGB	rgb(56, 62, 179)
HSL	hsl(237, 52%, 46%)
HSV	hsv(237, 69%, 70%)
CMYK	cmyk(68.7%, 65.4%, 0%, 29.8%)
CIE-LAB	lab(33.01, 35.98, -62.80)
CIE-LCH	lch(33.01, 72.38, 299.81°)
OKLab	oklab(43.71% 0.012 -0.1813)
OKLCH	oklch(43.71% 0.182 273.8)
XYZ	xyz(11.4875, 7.5396, 43.4890)
Luminance	0.0754 (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

#383EB3 #B3AD38

analogous

#387BB3 #383EB3 #6F38B3

triadic

#383EB3 #B3383E #3EB338

tetradic

#383EB3 #B3387B #B3AD38 #38B36F

square

#383EB3 #B3387B #B3AD38 #38B36F

split-complementary

#383EB3 #B36F38 #7BB338

monochromatic

#1B1E56 #292E84 #383EB3 #5C62CC #8B8FDB

Accessibility & contrast

On white

8.37

#383EB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#383EB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383EB3

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383EB3	#FFFFFF	#000000	##FFFFFF
##383EB3	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B7

Deuteranopia (green-blind)

#0048B1

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #383eb3;
/* rgb */ color: rgb(56, 62, 179);
/* oklch */ color: oklch(43.7% 0.182 273.8);

Tailwind

colors: {
  custom: {
    50: '#7f73cb',
    500: '#383eb3',
    950: '#000000',
  },
}

SCSS

$custom: #383eb3;
$custom-light: #7f73cb;
$custom-dark: #000000;

JSON

{
  "hex": "#383eb3",
  "rgb": {
    "r": 56,
    "g": 62,
    "b": 179
  },
  "hsl": {
    "h": 237.073,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43713,
    "c": 0.18169,
    "h": 273.8
  },
  "luminance": 0.07541
}

Semantic roles & 50–950 ramp

primary

#383EB3

secondary

#C5C282

accent

#D54CDC

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #383EB3

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

Preview Lab → · Contrast checker → · Palette generator →