#383B8D#383B8D

#383B8D is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.9% C 0.133 H 276.9°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#383B8D
RGB	rgb(56, 59, 141)
HSL	hsl(238, 43%, 39%)
HSV	hsv(238, 60%, 55%)
CMYK	cmyk(60.3%, 58.2%, 0%, 44.7%)
CIE-LAB	lab(29.14, 24.58, -46.11)
CIE-LCH	lch(29.14, 52.26, 298.06°)
OKLab	oklab(39.89% 0.0161 -0.1323)
OKLCH	oklch(39.89% 0.133 276.9)
XYZ	xyz(8.0010, 5.8912, 25.9096)
Luminance	0.0589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383B8D #8D8A38

analogous

#38658D #383B8D #5F388D

triadic

#383B8D #8D383B #3B8D38

tetradic

#383B8D #8D3865 #8D8A38 #388D5F

square

#383B8D #8D3865 #8D8A38 #388D5F

split-complementary

#383B8D #8D5F38 #658D38

monochromatic

#151635 #272961 #383B8D #4B4FB7 #7779C9

Accessibility & contrast

On white

9.64

#383B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#383B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383B8D

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383B8D	#FFFFFF	#000000	##FFFFFF
##383B8D	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004890

Deuteranopia (green-blind)

#00418B

Tritanopia (blue-blind)

#004E5E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #383b8d;
/* rgb */ color: rgb(56, 59, 141);
/* oklch */ color: oklch(39.9% 0.133 276.9);

Tailwind

colors: {
  custom: {
    50: '#7771af',
    500: '#383b8d',
    950: '#000000',
  },
}

SCSS

$custom: #383b8d;
$custom-light: #7771af;
$custom-dark: #000000;

JSON

{
  "hex": "#383b8d",
  "rgb": {
    "r": 56,
    "g": 59,
    "b": 141
  },
  "hsl": {
    "h": 237.882,
    "s": 43.147,
    "l": 38.627
  },
  "oklch": {
    "l": 0.39891,
    "c": 0.1333,
    "h": 276.9
  },
  "luminance": 0.05892
}

Semantic roles & 50–950 ramp

primary

#383B8D

secondary

#B2AF6F

accent

#CE55D3

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #383B8D

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

Preview Lab → · Contrast checker → · Palette generator →