#3948AA#3948AA

#3948AA is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.8% C 0.157 H 271.9°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#3948AA
RGB	rgb(57, 72, 170)
HSL	hsl(232, 50%, 45%)
HSV	hsv(232, 66%, 67%)
CMYK	cmyk(66.5%, 57.6%, 0%, 33.3%)
CIE-LAB	lab(34.81, 26.53, -54.49)
CIE-LCH	lch(34.81, 60.60, 295.96°)
OKLab	oklab(44.84% 0.0053 -0.1568)
OKLCH	oklch(44.84% 0.157 271.9)
XYZ	xyz(11.2580, 8.4058, 39.0516)
Luminance	0.0841 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3948AA #AA9B39

analogous

#3981AA #3948AA #6239AA

triadic

#3948AA #AA3948 #48AA39

tetradic

#3948AA #AA3981 #AA9B39 #39AA62

square

#3948AA #AA3981 #AA9B39 #39AA62

split-complementary

#3948AA #AA6239 #81AA39

monochromatic

#1A214E #2A357C #3948AA #5968C7 #8791D7

Accessibility & contrast

On white

7.83

#3948AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3948AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3948AA

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3948AA	#FFFFFF	#000000	##FFFFFF
##3948AA	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057AD

Deuteranopia (green-blind)

#004DA8

Tritanopia (blue-blind)

#006072

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3948aa;
/* rgb */ color: rgb(57, 72, 170);
/* oklch */ color: oklch(44.8% 0.157 271.9);

Tailwind

colors: {
  custom: {
    50: '#7d7ac4',
    500: '#3948aa',
    950: '#000000',
  },
}

SCSS

$custom: #3948aa;
$custom-light: #7d7ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#3948aa",
  "rgb": {
    "r": 57,
    "g": 72,
    "b": 170
  },
  "hsl": {
    "h": 232.035,
    "s": 49.78,
    "l": 44.51
  },
  "oklch": {
    "l": 0.44835,
    "c": 0.15688,
    "h": 271.9
  },
  "luminance": 0.08407
}

Semantic roles & 50–950 ramp

primary

#3948AA

secondary

#C1B87E

accent

#C74ED9

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3948AA

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

Preview Lab → · Contrast checker → · Palette generator →