#393DB5#393DB5

#393DB5 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.8% C 0.185 H 274.2°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#393DB5
RGB	rgb(57, 61, 181)
HSL	hsl(238, 52%, 47%)
HSV	hsv(238, 69%, 71%)
CMYK	cmyk(68.5%, 66.3%, 0%, 29%)
CIE-LAB	lab(33.01, 37.43, -63.97)
CIE-LCH	lch(33.01, 74.11, 300.33°)
OKLab	oklab(43.79% 0.0137 -0.1847)
OKLCH	oklch(43.79% 0.185 274.2)
XYZ	xyz(11.6938, 7.5425, 44.5467)
Luminance	0.0754 (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

#393DB5 #B5B139

analogous

#397BB5 #393DB5 #7339B5

triadic

#393DB5 #B5393D #3DB539

tetradic

#393DB5 #B5397B #B5B139 #39B573

square

#393DB5 #B5397B #B5B139 #39B573

split-complementary

#393DB5 #B57339 #7BB539

monochromatic

#1C1E58 #2A2D86 #393DB5 #5F62CD #8D90DB

Accessibility & contrast

On white

8.37

#393DB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#393DB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #393DB5

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##393DB5	#FFFFFF	#000000	##FFFFFF
##393DB5	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B9

Deuteranopia (green-blind)

#0048B3

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #393db5;
/* rgb */ color: rgb(57, 61, 181);
/* oklch */ color: oklch(43.8% 0.185 274.2);

Tailwind

colors: {
  custom: {
    50: '#8073cc',
    500: '#393db5',
    950: '#000000',
  },
}

SCSS

$custom: #393db5;
$custom-light: #8073cc;
$custom-dark: #000000;

JSON

{
  "hex": "#393db5",
  "rgb": {
    "r": 57,
    "g": 61,
    "b": 181
  },
  "hsl": {
    "h": 238.065,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43789,
    "c": 0.18522,
    "h": 274.2
  },
  "luminance": 0.07544
}

Semantic roles & 50–950 ramp

primary

#393DB5

secondary

#C6C484

accent

#D74CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #393DB5

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

Preview Lab → · Contrast checker → · Palette generator →