#3948A4#3948A4

#3948A4 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.4% C 0.148 H 272.0°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#3948A4
RGB	rgb(57, 72, 164)
HSL	hsl(232, 48%, 43%)
HSV	hsv(232, 65%, 64%)
CMYK	cmyk(65.2%, 56.1%, 0%, 35.7%)
CIE-LAB	lab(34.36, 24.37, -51.63)
CIE-LCH	lch(34.36, 57.09, 295.27°)
OKLab	oklab(44.36% 0.0051 -0.1484)
OKLCH	oklch(44.36% 0.148 272)
XYZ	xyz(10.7033, 8.1840, 36.1304)
Luminance	0.0819 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3948A4 #A49539

analogous

#397DA4 #3948A4 #5F39A4

triadic

#3948A4 #A43948 #48A439

tetradic

#3948A4 #A4397D #A49539 #39A45F

square

#3948A4 #A4397D #A49539 #39A45F

split-complementary

#3948A4 #A45F39 #7DA439

monochromatic

#192049 #293477 #3948A4 #5665C4 #838FD4

Accessibility & contrast

On white

7.96

#3948A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3948A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3948A4

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3948A4	#FFFFFF	#000000	##FFFFFF
##3948A4	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056A7

Deuteranopia (green-blind)

#004CA2

Tritanopia (blue-blind)

#005E6F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3948a4;
/* rgb */ color: rgb(57, 72, 164);
/* oklch */ color: oklch(44.4% 0.148 272.0);

Tailwind

colors: {
  custom: {
    50: '#7b7ac0',
    500: '#3948a4',
    950: '#000000',
  },
}

SCSS

$custom: #3948a4;
$custom-light: #7b7ac0;
$custom-dark: #000000;

JSON

{
  "hex": "#3948a4",
  "rgb": {
    "r": 57,
    "g": 72,
    "b": 164
  },
  "hsl": {
    "h": 231.589,
    "s": 48.416,
    "l": 43.333
  },
  "oklch": {
    "l": 0.44356,
    "c": 0.14848,
    "h": 272
  },
  "luminance": 0.08185
}

Semantic roles & 50–950 ramp

primary

#3948A4

secondary

#BEB47B

accent

#C550D8

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3948A4

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

Preview Lab → · Contrast checker → · Palette generator →