#383C81#383C81

#383C81 is a dark, moderate blue. Relative luminance 0.057; OKLCH L 39.2% C 0.114 H 277.2°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#383C81
RGB	rgb(56, 60, 129)
HSL	hsl(237, 39%, 36%)
HSV	hsv(237, 57%, 51%)
CMYK	cmyk(56.6%, 53.5%, 0%, 49.4%)
CIE-LAB	lab(28.53, 19.70, -39.65)
CIE-LCH	lch(28.53, 44.27, 296.42°)
OKLab	oklab(39.16% 0.0144 -0.1133)
OKLCH	oklch(39.16% 0.114 277.2)
XYZ	xyz(7.2079, 5.6570, 21.4767)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383C81 #817D38

analogous

#386181 #383C81 #593881

triadic

#383C81 #81383C #3C8138

tetradic

#383C81 #813861 #817D38 #388159

square

#383C81 #813861 #817D38 #388159

split-complementary

#383C81 #815938 #618138

monochromatic

#13142C #252856 #383C81 #4B50AC #7276C2

Accessibility & contrast

On white

9.85

#383C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#383C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383C81

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383C81	#FFFFFF	#000000	##FFFFFF
##383C81	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174683

Deuteranopia (green-blind)

#0B4080

Tritanopia (blue-blind)

#144C58

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #383c81;
/* rgb */ color: rgb(56, 60, 129);
/* oklch */ color: oklch(39.2% 0.114 277.2);

Tailwind

colors: {
  custom: {
    50: '#7571a6',
    500: '#383c81',
    950: '#000000',
  },
}

SCSS

$custom: #383c81;
$custom-light: #7571a6;
$custom-dark: #000000;

JSON

{
  "hex": "#383c81",
  "rgb": {
    "r": 56,
    "g": 60,
    "b": 129
  },
  "hsl": {
    "h": 236.712,
    "s": 39.459,
    "l": 36.275
  },
  "oklch": {
    "l": 0.39159,
    "c": 0.1142,
    "h": 277.2
  },
  "luminance": 0.05657
}

Semantic roles & 50–950 ramp

primary

#383C81

secondary

#ABA76A

accent

#C958CF

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#09070F

muted

#7B7A7F

Preview Lab

Preview with #383C81

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

Preview Lab → · Contrast checker → · Palette generator →