#3140A4#3140A4

#3140A4 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.3% C 0.161 H 271.2°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#3140A4
RGB	rgb(49, 64, 164)
HSL	hsl(232, 54%, 42%)
HSV	hsv(232, 70%, 64%)
CMYK	cmyk(70.1%, 61%, 0%, 35.7%)
CIE-LAB	lab(31.80, 28.39, -55.81)
CIE-LCH	lch(31.80, 62.62, 296.96°)
OKLab	oklab(42.33% 0.0034 -0.161)
OKLCH	oklch(42.33% 0.161 271.2)
XYZ	xyz(9.7986, 6.9991, 35.9493)
Luminance	0.0700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3140A4 #A49531

analogous

#317AA4 #3140A4 #5C31A4

triadic

#3140A4 #A43140 #40A431

tetradic

#3140A4 #A4317A #A49531 #31A45C

square

#3140A4 #A4317A #A49531 #31A45C

split-complementary

#3140A4 #A45C31 #7AA431

monochromatic

#151B46 #232E75 #3140A4 #495AC9 #7985D7

Accessibility & contrast

On white

8.75

#3140A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3140A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3140A4

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3140A4	#FFFFFF	#000000	##FFFFFF
##3140A4	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A7

Deuteranopia (green-blind)

#0046A2

Tritanopia (blue-blind)

#00596B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3140a4;
/* rgb */ color: rgb(49, 64, 164);
/* oklch */ color: oklch(42.3% 0.161 271.2);

Tailwind

colors: {
  custom: {
    50: '#7874c0',
    500: '#3140a4',
    950: '#000000',
  },
}

SCSS

$custom: #3140a4;
$custom-light: #7874c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3140a4",
  "rgb": {
    "r": 49,
    "g": 64,
    "b": 164
  },
  "hsl": {
    "h": 232.174,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.42325,
    "c": 0.161,
    "h": 271.2
  },
  "luminance": 0.07
}

Semantic roles & 50–950 ramp

primary

#3140A4

secondary

#BFB572

accent

#CA4ADD

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3140A4

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

Preview Lab → · Contrast checker → · Palette generator →