#383FB4#383FB4

#383FB4 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.0% C 0.182 H 273.5°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#383FB4
RGB	rgb(56, 63, 180)
HSL	hsl(237, 53%, 46%)
HSV	hsv(237, 69%, 71%)
CMYK	cmyk(68.9%, 65%, 0%, 29.4%)
CIE-LAB	lab(33.33, 35.70, -62.86)
CIE-LCH	lch(33.33, 72.29, 299.60°)
OKLab	oklab(43.98% 0.0112 -0.1815)
OKLCH	oklch(43.98% 0.182 273.5)
XYZ	xyz(11.6439, 7.6900, 44.0418)
Luminance	0.0769 (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

#383FB4 #B4AD38

analogous

#387DB4 #383FB4 #6F38B4

triadic

#383FB4 #B4383F #3FB438

tetradic

#383FB4 #B4387D #B4AD38 #38B46F

square

#383FB4 #B4387D #B4AD38 #38B46F

split-complementary

#383FB4 #B46F38 #7DB438

monochromatic

#1B1E57 #292F85 #383FB4 #5D63CD #8B90DB

Accessibility & contrast

On white

8.27

#383FB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#383FB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383FB4

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383FB4	#FFFFFF	#000000	##FFFFFF
##383FB4	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B8

Deuteranopia (green-blind)

#0049B2

Tritanopia (blue-blind)

#005D74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #383fb4;
/* rgb */ color: rgb(56, 63, 180);
/* oklch */ color: oklch(44.0% 0.182 273.5);

Tailwind

colors: {
  custom: {
    50: '#7f74cb',
    500: '#383fb4',
    950: '#000000',
  },
}

SCSS

$custom: #383fb4;
$custom-light: #7f74cb;
$custom-dark: #000000;

JSON

{
  "hex": "#383fb4",
  "rgb": {
    "r": 56,
    "g": 63,
    "b": 180
  },
  "hsl": {
    "h": 236.613,
    "s": 52.542,
    "l": 46.275
  },
  "oklch": {
    "l": 0.43977,
    "c": 0.18182,
    "h": 273.5
  },
  "luminance": 0.07691
}

Semantic roles & 50–950 ramp

primary

#383FB4

secondary

#C5C282

accent

#D44CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #383FB4

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

Preview Lab → · Contrast checker → · Palette generator →