#383FB9#383FB9

#383FB9 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.4% C 0.188 H 273.3°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#383FB9
RGB	rgb(56, 63, 185)
HSL	hsl(237, 54%, 47%)
HSV	hsv(237, 70%, 73%)
CMYK	cmyk(69.7%, 65.9%, 0%, 27.5%)
CIE-LAB	lab(33.77, 37.44, -65.10)
CIE-LCH	lch(33.77, 75.10, 299.90°)
OKLab	oklab(44.43% 0.0107 -0.188)
OKLCH	oklch(44.43% 0.188 273.3)
XYZ	xyz(12.1624, 7.8974, 46.7729)
Luminance	0.0790 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383FB9 #B9B238

analogous

#3880B9 #383FB9 #7138B9

triadic

#383FB9 #B9383F #3FB938

tetradic

#383FB9 #B93880 #B9B238 #38B971

square

#383FB9 #B93880 #B9B238 #38B971

split-complementary

#383FB9 #B97138 #80B938

monochromatic

#1C1F5B #2A2F8A #383FB9 #5F66CF #8E93DD

Accessibility & contrast

On white

8.14

#383FB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#383FB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383FB9

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383FB9	#FFFFFF	#000000	##FFFFFF
##383FB9	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BD

Deuteranopia (green-blind)

#0049B7

Tritanopia (blue-blind)

#005F76

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #383fb9;
/* rgb */ color: rgb(56, 63, 185);
/* oklch */ color: oklch(44.4% 0.188 273.3);

Tailwind

colors: {
  custom: {
    50: '#8074cf',
    500: '#383fb9',
    950: '#000000',
  },
}

SCSS

$custom: #383fb9;
$custom-light: #8074cf;
$custom-dark: #000000;

JSON

{
  "hex": "#383fb9",
  "rgb": {
    "r": 56,
    "g": 63,
    "b": 185
  },
  "hsl": {
    "h": 236.744,
    "s": 53.527,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44432,
    "c": 0.18835,
    "h": 273.3
  },
  "luminance": 0.07899
}

Semantic roles & 50–950 ramp

primary

#383FB9

secondary

#C8C485

accent

#D54BDD

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #383FB9

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

Preview Lab → · Contrast checker → · Palette generator →