#383D64#383D64

#383D64 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.4% C 0.067 H 277.1°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#383D64
RGB	rgb(56, 61, 100)
HSL	hsl(233, 28%, 31%)
HSV	hsv(233, 44%, 39%)
CMYK	cmyk(44%, 39%, 0%, 60.8%)
CIE-LAB	lab(27.01, 9.15, -23.67)
CIE-LCH	lch(27.01, 25.38, 291.14°)
OKLab	oklab(37.42% 0.0083 -0.0665)
OKLCH	oklch(37.42% 0.067 277.1)
XYZ	xyz(5.5992, 5.0981, 12.7431)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383D64 #645F38

analogous

#385364 #383D64 #493864

triadic

#383D64 #64383D #3D6438

tetradic

#383D64 #643853 #645F38 #386449

square

#383D64 #643853 #645F38 #386449

split-complementary

#383D64 #644938 #536438

monochromatic

#0C0D16 #22253D #383D64 #4E558B #6B72AC

Accessibility & contrast

On white

10.40

#383D64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#383D64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383D64

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383D64	#FFFFFF	#000000	##FFFFFF
##383D64	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304266

Deuteranopia (green-blind)

#2C3E63

Tritanopia (blue-blind)

#2A454B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #383d64;
/* rgb */ color: rgb(56, 61, 100);
/* oklch */ color: oklch(37.4% 0.067 277.1);

Tailwind

colors: {
  custom: {
    50: '#717290',
    500: '#383d64',
    950: '#000000',
  },
}

SCSS

$custom: #383d64;
$custom-light: #717290;
$custom-dark: #000000;

JSON

{
  "hex": "#383d64",
  "rgb": {
    "r": 56,
    "g": 61,
    "b": 100
  },
  "hsl": {
    "h": 233.182,
    "s": 28.205,
    "l": 30.588
  },
  "oklch": {
    "l": 0.37421,
    "c": 0.067,
    "h": 277.1
  },
  "luminance": 0.05098
}

Semantic roles & 50–950 ramp

primary

#383D64

secondary

#948F63

accent

#B963C5

background

#F6F6F8

surface

#ECECF0

border

#C7C7CB

text

#08070C

muted

#7B7A7D

Preview Lab

Preview with #383D64

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

Preview Lab → · Contrast checker → · Palette generator →