#383FA3#383FA3

#383FA3 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.5% C 0.159 H 274.4°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#383FA3
RGB	rgb(56, 63, 163)
HSL	hsl(236, 49%, 43%)
HSV	hsv(236, 66%, 64%)
CMYK	cmyk(65.6%, 61.3%, 0%, 36.1%)
CIE-LAB	lab(31.90, 29.73, -55.04)
CIE-LCH	lch(31.90, 62.56, 298.37°)
OKLab	oklab(42.48% 0.0121 -0.1585)
OKLCH	oklch(42.48% 0.159 274.4)
XYZ	xyz(10.0171, 7.0392, 35.4741)
Luminance	0.0704 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383FA3 #A39C38

analogous

#3874A3 #383FA3 #6738A3

triadic

#383FA3 #A3383F #3FA338

tetradic

#383FA3 #A33874 #A39C38 #38A367

square

#383FA3 #A33874 #A39C38 #38A367

split-complementary

#383FA3 #A36738 #74A338

monochromatic

#191C48 #282D75 #383FA3 #545BC4 #8287D4

Accessibility & contrast

On white

8.72

#383FA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#383FA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383FA3

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383FA3	#FFFFFF	#000000	##FFFFFF
##383FA3	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A6

Deuteranopia (green-blind)

#0046A1

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #383fa3;
/* rgb */ color: rgb(56, 63, 163);
/* oklch */ color: oklch(42.5% 0.159 274.4);

Tailwind

colors: {
  custom: {
    50: '#7b74bf',
    500: '#383fa3',
    950: '#000000',
  },
}

SCSS

$custom: #383fa3;
$custom-light: #7b74bf;
$custom-dark: #000000;

JSON

{
  "hex": "#383fa3",
  "rgb": {
    "r": 56,
    "g": 63,
    "b": 163
  },
  "hsl": {
    "h": 236.075,
    "s": 48.858,
    "l": 42.941
  },
  "oklch": {
    "l": 0.4248,
    "c": 0.15899,
    "h": 274.4
  },
  "luminance": 0.0704
}

Semantic roles & 50–950 ramp

primary

#383FA3

secondary

#BDB979

accent

#CF4FD8

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #383FA3

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

Preview Lab → · Contrast checker → · Palette generator →