#383C99#383C99

#383C99 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.1% C 0.149 H 275.8°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#383C99
RGB	rgb(56, 60, 153)
HSL	hsl(238, 46%, 41%)
HSV	hsv(238, 63%, 60%)
CMYK	cmyk(63.4%, 60.8%, 0%, 40%)
CIE-LAB	lab(30.33, 28.15, -51.53)
CIE-LCH	lch(30.33, 58.72, 298.64°)
OKLab	oklab(41.07% 0.015 -0.1482)
OKLCH	oklch(41.07% 0.149 275.8)
XYZ	xyz(8.9946, 6.3717, 30.8867)
Luminance	0.0637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383C99 #999538

analogous

#386C99 #383C99 #643899

triadic

#383C99 #99383C #3C9938

tetradic

#383C99 #99386C #999538 #389964

square

#383C99 #99386C #999538 #389964

split-complementary

#383C99 #996438 #6C9938

monochromatic

#17193F #282A6C #383C99 #4F54BF #7C80CF

Accessibility & contrast

On white

9.23

#383C99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#383C99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383C99

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383C99	#FFFFFF	#000000	##FFFFFF
##383C99	1.00	9.23	2.27	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9C

Deuteranopia (green-blind)

#004397

Tritanopia (blue-blind)

#005364

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #383c99;
/* rgb */ color: rgb(56, 60, 153);
/* oklch */ color: oklch(41.1% 0.149 275.8);

Tailwind

colors: {
  custom: {
    50: '#7a71b8',
    500: '#383c99',
    950: '#000000',
  },
}

SCSS

$custom: #383c99;
$custom-light: #7a71b8;
$custom-dark: #000000;

JSON

{
  "hex": "#383c99",
  "rgb": {
    "r": 56,
    "g": 60,
    "b": 153
  },
  "hsl": {
    "h": 237.526,
    "s": 46.411,
    "l": 40.98
  },
  "oklch": {
    "l": 0.41072,
    "c": 0.14901,
    "h": 275.8
  },
  "luminance": 0.06372
}

Semantic roles & 50–950 ramp

primary

#383C99

secondary

#B8B674

accent

#D152D6

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #383C99

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

Preview Lab → · Contrast checker → · Palette generator →