#393FBB#393FBB

#393FBB is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.7% C 0.191 H 273.5°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#393FBB
RGB	rgb(57, 63, 187)
HSL	hsl(237, 53%, 48%)
HSV	hsv(237, 70%, 73%)
CMYK	cmyk(69.5%, 66.3%, 0%, 26.7%)
CIE-LAB	lab(34.01, 38.26, -65.89)
CIE-LCH	lch(34.01, 76.19, 300.14°)
OKLab	oklab(44.68% 0.0117 -0.1903)
OKLCH	oklch(44.68% 0.191 273.5)
XYZ	xyz(12.4315, 8.0115, 47.8953)
Luminance	0.0801 (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

#393FBB #BBB539

analogous

#3980BB #393FBB #7439BB

triadic

#393FBB #BB393F #3FBB39

tetradic

#393FBB #BB3980 #BBB539 #39BB74

square

#393FBB #BB3980 #BBB539 #39BB74

split-complementary

#393FBB #BB7439 #80BB39

monochromatic

#1C1F5D #2B2F8C #393FBB #6267CF #9194DD

Accessibility & contrast

On white

8.07

#393FBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#393FBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #393FBB

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##393FBB	#FFFFFF	#000000	##FFFFFF
##393FBB	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BF

Deuteranopia (green-blind)

#004AB9

Tritanopia (blue-blind)

#006077

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #393fbb;
/* rgb */ color: rgb(57, 63, 187);
/* oklch */ color: oklch(44.7% 0.191 273.5);

Tailwind

colors: {
  custom: {
    50: '#8174d1',
    500: '#393fbb',
    950: '#000000',
  },
}

SCSS

$custom: #393fbb;
$custom-light: #8174d1;
$custom-dark: #000000;

JSON

{
  "hex": "#393fbb",
  "rgb": {
    "r": 57,
    "g": 63,
    "b": 187
  },
  "hsl": {
    "h": 237.231,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.44677,
    "c": 0.19068,
    "h": 273.5
  },
  "luminance": 0.08013
}

Semantic roles & 50–950 ramp

primary

#393FBB

secondary

#C8C587

accent

#D64BDD

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #393FBB

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

Preview Lab → · Contrast checker → · Palette generator →