#383C8A#383C8A

#383C8A is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.8% C 0.128 H 276.7°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#383C8A
RGB	rgb(56, 60, 138)
HSL	hsl(237, 42%, 38%)
HSV	hsv(237, 59%, 54%)
CMYK	cmyk(59.4%, 56.5%, 0%, 45.9%)
CIE-LAB	lab(29.18, 22.86, -44.20)
CIE-LCH	lch(29.18, 49.76, 297.35°)
OKLab	oklab(39.85% 0.0149 -0.1267)
OKLCH	oklch(39.85% 0.128 276.7)
XYZ	xyz(7.8327, 5.9069, 24.7672)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383C8A #8A8638

analogous

#38658A #383C8A #5D388A

triadic

#383C8A #8A383C #3C8A38

tetradic

#383C8A #8A3865 #8A8638 #388A5D

square

#383C8A #8A3865 #8A8638 #388A5D

split-complementary

#383C8A #8A5D38 #658A38

monochromatic

#151633 #26295E #383C8A #4A4FB5 #7579C7

Accessibility & contrast

On white

9.63

#383C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#383C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383C8A

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383C8A	#FFFFFF	#000000	##FFFFFF
##383C8A	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05488D

Deuteranopia (green-blind)

#004188

Tritanopia (blue-blind)

#024E5D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #383c8a;
/* rgb */ color: rgb(56, 60, 138);
/* oklch */ color: oklch(39.8% 0.128 276.7);

Tailwind

colors: {
  custom: {
    50: '#7771ad',
    500: '#383c8a',
    950: '#000000',
  },
}

SCSS

$custom: #383c8a;
$custom-light: #7771ad;
$custom-dark: #000000;

JSON

{
  "hex": "#383c8a",
  "rgb": {
    "r": 56,
    "g": 60,
    "b": 138
  },
  "hsl": {
    "h": 237.073,
    "s": 42.268,
    "l": 38.039
  },
  "oklch": {
    "l": 0.39849,
    "c": 0.12756,
    "h": 276.7
  },
  "luminance": 0.05907
}

Semantic roles & 50–950 ramp

primary

#383C8A

secondary

#B0AD6E

accent

#CC56D2

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #383C8A

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

Preview Lab → · Contrast checker → · Palette generator →