#383FA1#383FA1

#383FA1 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.3% C 0.156 H 274.4°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#383FA1
RGB	rgb(56, 63, 161)
HSL	hsl(236, 48%, 43%)
HSV	hsv(236, 65%, 63%)
CMYK	cmyk(65.2%, 60.9%, 0%, 36.9%)
CIE-LAB	lab(31.73, 29.02, -54.10)
CIE-LCH	lch(31.73, 61.39, 298.21°)
OKLab	oklab(42.31% 0.0121 -0.1558)
OKLCH	oklch(42.31% 0.156 274.4)
XYZ	xyz(9.8393, 6.9681, 34.5378)
Luminance	0.0697 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383FA1 #A19A38

analogous

#3873A1 #383FA1 #6538A1

triadic

#383FA1 #A1383F #3FA138

tetradic

#383FA1 #A13873 #A19A38 #38A165

square

#383FA1 #A13873 #A19A38 #38A165

split-complementary

#383FA1 #A16538 #73A138

monochromatic

#181B46 #282D74 #383FA1 #535AC3 #8086D3

Accessibility & contrast

On white

8.77

#383FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#383FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383FA1

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383FA1	#FFFFFF	#000000	##FFFFFF
##383FA1	1.00	8.77	2.39	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA4

Deuteranopia (green-blind)

#00469F

Tritanopia (blue-blind)

#00576A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #383fa1;
/* rgb */ color: rgb(56, 63, 161);
/* oklch */ color: oklch(42.3% 0.156 274.4);

Tailwind

colors: {
  custom: {
    50: '#7b74be',
    500: '#383fa1',
    950: '#000000',
  },
}

SCSS

$custom: #383fa1;
$custom-light: #7b74be;
$custom-dark: #000000;

JSON

{
  "hex": "#383fa1",
  "rgb": {
    "r": 56,
    "g": 63,
    "b": 161
  },
  "hsl": {
    "h": 236,
    "s": 48.387,
    "l": 42.549
  },
  "oklch": {
    "l": 0.4231,
    "c": 0.15624,
    "h": 274.4
  },
  "luminance": 0.06969
}

Semantic roles & 50–950 ramp

primary

#383FA1

secondary

#BCB878

accent

#CF50D8

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #383FA1

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

Preview Lab → · Contrast checker → · Palette generator →