#3945AE#3945AE

#3945AE is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.6% C 0.166 H 272.7°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#3945AE
RGB	rgb(57, 69, 174)
HSL	hsl(234, 51%, 45%)
HSV	hsv(234, 67%, 68%)
CMYK	cmyk(67.2%, 60.3%, 0%, 31.8%)
CIE-LAB	lab(34.36, 29.91, -57.61)
CIE-LCH	lch(34.36, 64.91, 297.43°)
OKLab	oklab(44.59% 0.0079 -0.166)
OKLCH	oklch(44.59% 0.166 272.7)
XYZ	xyz(11.4529, 8.1810, 41.0117)
Luminance	0.0818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.19

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3945AE #AEA239

analogous

#397FAE #3945AE #6739AE

triadic

#3945AE #AE3945 #45AE39

tetradic

#3945AE #AE397F #AEA239 #39AE67

square

#3945AE #AE397F #AEA239 #39AE67

split-complementary

#3945AE #AE6739 #7FAE39

monochromatic

#1B2052 #2A3380 #3945AE #5B66C9 #8991D8

Accessibility & contrast

On white

7.97

#3945AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3945AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3945AE

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3945AE	#FFFFFF	#000000	##FFFFFF
##3945AE	1.00	7.97	2.64	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B1

Deuteranopia (green-blind)

#004CAC

Tritanopia (blue-blind)

#005F73

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3945ae;
/* rgb */ color: rgb(57, 69, 174);
/* oklch */ color: oklch(44.6% 0.166 272.7);

Tailwind

colors: {
  custom: {
    50: '#7e78c7',
    500: '#3945ae',
    950: '#000000',
  },
}

SCSS

$custom: #3945ae;
$custom-light: #7e78c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3945ae",
  "rgb": {
    "r": 57,
    "g": 69,
    "b": 174
  },
  "hsl": {
    "h": 233.846,
    "s": 50.649,
    "l": 45.294
  },
  "oklch": {
    "l": 0.44594,
    "c": 0.16621,
    "h": 272.7
  },
  "luminance": 0.08182
}

Semantic roles & 50–950 ramp

primary

#3945AE

secondary

#C3BC80

accent

#CC4EDA

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3945AE

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

Preview Lab → · Contrast checker → · Palette generator →