#3948AC#3948AC

#3948AC is a dark, vivid blue. Relative luminance 0.085; OKLCH L 45.0% C 0.160 H 271.9°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#3948AC
RGB	rgb(57, 72, 172)
HSL	hsl(232, 50%, 45%)
HSV	hsv(232, 67%, 67%)
CMYK	cmyk(66.9%, 58.1%, 0%, 32.5%)
CIE-LAB	lab(34.97, 27.24, -55.43)
CIE-LCH	lch(34.97, 61.76, 296.17°)
OKLab	oklab(45% 0.0053 -0.1596)
OKLCH	oklch(45% 0.16 271.9)
XYZ	xyz(11.4486, 8.4821, 40.0556)
Luminance	0.0848 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3948AC #AC9D39

analogous

#3981AC #3948AC #6439AC

triadic

#3948AC #AC3948 #48AC39

tetradic

#3948AC #AC3981 #AC9D39 #39AC64

square

#3948AC #AC3981 #AC9D39 #39AC64

split-complementary

#3948AC #AC6439 #81AC39

monochromatic

#1B2250 #2A357E #3948AC #5A68C8 #8892D8

Accessibility & contrast

On white

7.79

#3948AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3948AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3948AC

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3948AC	#FFFFFF	#000000	##FFFFFF
##3948AC	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058AF

Deuteranopia (green-blind)

#004DAA

Tritanopia (blue-blind)

#006073

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3948ac;
/* rgb */ color: rgb(57, 72, 172);
/* oklch */ color: oklch(45.0% 0.160 271.9);

Tailwind

colors: {
  custom: {
    50: '#7d7ac5',
    500: '#3948ac',
    950: '#000000',
  },
}

SCSS

$custom: #3948ac;
$custom-light: #7d7ac5;
$custom-dark: #000000;

JSON

{
  "hex": "#3948ac",
  "rgb": {
    "r": 57,
    "g": 72,
    "b": 172
  },
  "hsl": {
    "h": 232.174,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.44998,
    "c": 0.15966,
    "h": 271.9
  },
  "luminance": 0.08483
}

Semantic roles & 50–950 ramp

primary

#3948AC

secondary

#C2B97F

accent

#C84EDA

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3948AC

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

Preview Lab → · Contrast checker → · Palette generator →