#393FAB#393FAB

#393FAB is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.2% C 0.170 H 274.4°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#393FAB
RGB	rgb(57, 63, 171)
HSL	hsl(237, 50%, 45%)
HSV	hsv(237, 67%, 67%)
CMYK	cmyk(66.7%, 63.2%, 0%, 32.9%)
CIE-LAB	lab(32.62, 32.70, -58.65)
CIE-LCH	lch(32.62, 67.15, 299.14°)
OKLab	oklab(43.24% 0.0129 -0.1691)
OKLCH	oklch(43.24% 0.17 274.4)
XYZ	xyz(10.8131, 7.3642, 39.3718)
Luminance	0.0736 (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

#393FAB #ABA539

analogous

#3978AB #393FAB #6C39AB

triadic

#393FAB #AB393F #3FAB39

tetradic

#393FAB #AB3978 #ABA539 #39AB6C

square

#393FAB #AB3978 #ABA539 #39AB6C

split-complementary

#393FAB #AB6C39 #78AB39

monochromatic

#1A1D4F #2A2E7D #393FAB #595FC8 #878CD7

Accessibility & contrast

On white

8.49

#393FAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#393FAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #393FAB

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##393FAB	#FFFFFF	#000000	##FFFFFF
##393FAB	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AE

Deuteranopia (green-blind)

#0048A9

Tritanopia (blue-blind)

#005A6F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #393fab;
/* rgb */ color: rgb(57, 63, 171);
/* oklch */ color: oklch(43.2% 0.170 274.4);

Tailwind

colors: {
  custom: {
    50: '#7d74c5',
    500: '#393fab',
    950: '#000000',
  },
}

SCSS

$custom: #393fab;
$custom-light: #7d74c5;
$custom-dark: #000000;

JSON

{
  "hex": "#393fab",
  "rgb": {
    "r": 57,
    "g": 63,
    "b": 171
  },
  "hsl": {
    "h": 236.842,
    "s": 50,
    "l": 44.706
  },
  "oklch": {
    "l": 0.43238,
    "c": 0.16961,
    "h": 274.4
  },
  "luminance": 0.07365
}

Semantic roles & 50–950 ramp

primary

#393FAB

secondary

#C1BE7F

accent

#D24EDA

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #393FAB

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

Preview Lab → · Contrast checker → · Palette generator →