#383A8A#383A8A

#383A8A is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.5% C 0.130 H 277.5°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#383A8A
RGB	rgb(56, 58, 138)
HSL	hsl(239, 42%, 38%)
HSV	hsv(239, 59%, 54%)
CMYK	cmyk(59.4%, 58%, 0%, 45.9%)
CIE-LAB	lab(28.65, 24.19, -45.05)
CIE-LCH	lch(28.65, 51.14, 298.23°)
OKLab	oklab(39.45% 0.0171 -0.1292)
OKLCH	oklch(39.45% 0.13 277.5)
XYZ	xyz(7.7299, 5.7013, 24.7330)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383A8A #8A8838

analogous

#38638A #383A8A #5F388A

triadic

#383A8A #8A383A #3A8A38

tetradic

#383A8A #8A3863 #8A8838 #388A5F

square

#383A8A #8A3863 #8A8838 #388A5F

split-complementary

#383A8A #8A5F38 #638A38

monochromatic

#151533 #26285E #383A8A #4A4CB5 #7577C7

Accessibility & contrast

On white

9.81

#383A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#383A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383A8A

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383A8A	#FFFFFF	#000000	##FFFFFF
##383A8A	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478D

Deuteranopia (green-blind)

#004088

Tritanopia (blue-blind)

#034D5C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #383a8a;
/* rgb */ color: rgb(56, 58, 138);
/* oklch */ color: oklch(39.5% 0.130 277.5);

Tailwind

colors: {
  custom: {
    50: '#7770ad',
    500: '#383a8a',
    950: '#000000',
  },
}

SCSS

$custom: #383a8a;
$custom-light: #7770ad;
$custom-dark: #000000;

JSON

{
  "hex": "#383a8a",
  "rgb": {
    "r": 56,
    "g": 58,
    "b": 138
  },
  "hsl": {
    "h": 238.537,
    "s": 42.268,
    "l": 38.039
  },
  "oklch": {
    "l": 0.39454,
    "c": 0.13034,
    "h": 277.5
  },
  "luminance": 0.05702
}

Semantic roles & 50–950 ramp

primary

#383A8A

secondary

#B0AE6E

accent

#CF56D2

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #383A8A

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

Preview Lab → · Contrast checker → · Palette generator →