#383EB4#383EB4

#383EB4 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.8% C 0.183 H 273.7°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#383EB4
RGB	rgb(56, 62, 180)
HSL	hsl(237, 53%, 46%)
HSV	hsv(237, 69%, 71%)
CMYK	cmyk(68.9%, 65.6%, 0%, 29.4%)
CIE-LAB	lab(33.09, 36.33, -63.25)
CIE-LCH	lch(33.09, 72.94, 299.87°)
OKLab	oklab(43.8% 0.0119 -0.1826)
OKLCH	oklch(43.8% 0.183 273.7)
XYZ	xyz(11.5890, 7.5802, 44.0236)
Luminance	0.0758 (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

#383EB4 #B4AE38

analogous

#387CB4 #383EB4 #7038B4

triadic

#383EB4 #B4383E #3EB438

tetradic

#383EB4 #B4387C #B4AE38 #38B470

square

#383EB4 #B4387C #B4AE38 #38B470

split-complementary

#383EB4 #B47038 #7CB438

monochromatic

#1B1E57 #292E85 #383EB4 #5D62CD #8B8FDB

Accessibility & contrast

On white

8.35

#383EB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#383EB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383EB4

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383EB4	#FFFFFF	#000000	##FFFFFF
##383EB4	1.00	8.35	2.52	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B8

Deuteranopia (green-blind)

#0048B2

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #383eb4;
/* rgb */ color: rgb(56, 62, 180);
/* oklch */ color: oklch(43.8% 0.183 273.7);

Tailwind

colors: {
  custom: {
    50: '#7f73cb',
    500: '#383eb4',
    950: '#000000',
  },
}

SCSS

$custom: #383eb4;
$custom-light: #7f73cb;
$custom-dark: #000000;

JSON

{
  "hex": "#383eb4",
  "rgb": {
    "r": 56,
    "g": 62,
    "b": 180
  },
  "hsl": {
    "h": 237.097,
    "s": 52.542,
    "l": 46.275
  },
  "oklch": {
    "l": 0.43804,
    "c": 0.18301,
    "h": 273.7
  },
  "luminance": 0.07581
}

Semantic roles & 50–950 ramp

primary

#383EB4

secondary

#C5C282

accent

#D54CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #383EB4

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

Preview Lab → · Contrast checker → · Palette generator →