#3944B3#3944B3

#3944B3 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.8% C 0.174 H 272.8°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#3944B3
RGB	rgb(57, 68, 179)
HSL	hsl(235, 52%, 46%)
HSV	hsv(235, 68%, 70%)
CMYK	cmyk(68.2%, 62%, 0%, 29.8%)
CIE-LAB	lab(34.51, 32.32, -60.33)
CIE-LCH	lch(34.51, 68.44, 298.18°)
OKLab	oklab(44.84% 0.0085 -0.174)
OKLCH	oklch(44.84% 0.174 272.8)
XYZ	xyz(11.8884, 8.2577, 43.6065)
Luminance	0.0826 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.50

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3944B3 #B3A839

analogous

#3981B3 #3944B3 #6B39B3

triadic

#3944B3 #B33944 #44B339

tetradic

#3944B3 #B33981 #B3A839 #39B36B

square

#3944B3 #B33981 #B3A839 #39B36B

split-complementary

#3944B3 #B36B39 #81B339

monochromatic

#1B2156 #2A3285 #3944B3 #5E68CC #8C93DA

Accessibility & contrast

On white

7.92

#3944B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3944B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3944B3

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3944B3	#FFFFFF	#000000	##FFFFFF
##3944B3	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B7

Deuteranopia (green-blind)

#004CB1

Tritanopia (blue-blind)

#006075

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3944b3;
/* rgb */ color: rgb(57, 68, 179);
/* oklch */ color: oklch(44.8% 0.174 272.8);

Tailwind

colors: {
  custom: {
    50: '#7f78cb',
    500: '#3944b3',
    950: '#000000',
  },
}

SCSS

$custom: #3944b3;
$custom-light: #7f78cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3944b3",
  "rgb": {
    "r": 57,
    "g": 68,
    "b": 179
  },
  "hsl": {
    "h": 234.59,
    "s": 51.695,
    "l": 46.275
  },
  "oklch": {
    "l": 0.44836,
    "c": 0.1742,
    "h": 272.8
  },
  "luminance": 0.08259
}

Semantic roles & 50–950 ramp

primary

#3944B3

secondary

#C5BF83

accent

#CE4DDB

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3944B3

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

Preview Lab → · Contrast checker → · Palette generator →