#3140AC#3140AC

#3140AC is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.0% C 0.172 H 271.1°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#3140AC
RGB	rgb(49, 64, 172)
HSL	hsl(233, 56%, 43%)
HSV	hsv(233, 72%, 67%)
CMYK	cmyk(71.5%, 62.8%, 0%, 32.5%)
CIE-LAB	lab(32.47, 31.31, -59.51)
CIE-LCH	lch(32.47, 67.24, 297.75°)
OKLab	oklab(43.03% 0.0032 -0.1718)
OKLCH	oklch(43.03% 0.172 271.1)
XYZ	xyz(10.5439, 7.2973, 39.8746)
Luminance	0.0730 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.44

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3140AC #AC9D31

analogous

#317DAC #3140AC #5F31AC

triadic

#3140AC #AC3140 #40AC31

tetradic

#3140AC #AC317D #AC9D31 #31AC5F

square

#3140AC #AC317D #AC9D31 #31AC5F

split-complementary

#3140AC #AC5F31 #7DAC31

monochromatic

#161D4D #232E7C #3140AC #4E5DCC #7D89DA

Accessibility & contrast

On white

8.54

#3140AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3140AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3140AC

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3140AC	#FFFFFF	#000000	##FFFFFF
##3140AC	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AF

Deuteranopia (green-blind)

#0047AA

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3140ac;
/* rgb */ color: rgb(49, 64, 172);
/* oklch */ color: oklch(43.0% 0.172 271.1);

Tailwind

colors: {
  custom: {
    50: '#7a74c6',
    500: '#3140ac',
    950: '#000000',
  },
}

SCSS

$custom: #3140ac;
$custom-light: #7a74c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3140ac",
  "rgb": {
    "r": 49,
    "g": 64,
    "b": 172
  },
  "hsl": {
    "h": 232.683,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.43028,
    "c": 0.17186,
    "h": 271.1
  },
  "luminance": 0.07298
}

Semantic roles & 50–950 ramp

primary

#3140AC

secondary

#C3B976

accent

#CD49DF

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3140AC

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

Preview Lab → · Contrast checker → · Palette generator →