#383FB7#383FB7

#383FB7 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.2% C 0.186 H 273.4°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#383FB7
RGB	rgb(56, 63, 183)
HSL	hsl(237, 53%, 47%)
HSV	hsv(237, 69%, 72%)
CMYK	cmyk(69.4%, 65.6%, 0%, 28.2%)
CIE-LAB	lab(33.59, 36.75, -64.21)
CIE-LCH	lch(33.59, 73.98, 299.78°)
OKLab	oklab(44.25% 0.0109 -0.1854)
OKLCH	oklch(44.25% 0.186 273.4)
XYZ	xyz(11.9528, 7.8135, 45.6688)
Luminance	0.0781 (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

#383FB7 #B7B038

analogous

#387FB7 #383FB7 #7138B7

triadic

#383FB7 #B7383F #3FB738

tetradic

#383FB7 #B7387F #B7B038 #38B771

square

#383FB7 #B7387F #B7B038 #38B771

split-complementary

#383FB7 #B77138 #7FB738

monochromatic

#1B1F59 #2A2F88 #383FB7 #5E65CE #8D92DC

Accessibility & contrast

On white

8.19

#383FB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#383FB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383FB7

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383FB7	#FFFFFF	#000000	##FFFFFF
##383FB7	1.00	8.19	2.56	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BB

Deuteranopia (green-blind)

#0049B5

Tritanopia (blue-blind)

#005E75

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #383fb7;
/* rgb */ color: rgb(56, 63, 183);
/* oklch */ color: oklch(44.2% 0.186 273.4);

Tailwind

colors: {
  custom: {
    50: '#8074ce',
    500: '#383fb7',
    950: '#000000',
  },
}

SCSS

$custom: #383fb7;
$custom-light: #8074ce;
$custom-dark: #000000;

JSON

{
  "hex": "#383fb7",
  "rgb": {
    "r": 56,
    "g": 63,
    "b": 183
  },
  "hsl": {
    "h": 236.693,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.44249,
    "c": 0.18575,
    "h": 273.4
  },
  "luminance": 0.07815
}

Semantic roles & 50–950 ramp

primary

#383FB7

secondary

#C7C384

accent

#D54BDD

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #383FB7

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

Preview Lab → · Contrast checker → · Palette generator →