#3140A9#3140A9

#3140A9 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.8% C 0.168 H 271.1°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#3140A9
RGB	rgb(49, 64, 169)
HSL	hsl(233, 55%, 43%)
HSV	hsv(233, 71%, 66%)
CMYK	cmyk(71%, 62.1%, 0%, 33.7%)
CIE-LAB	lab(32.22, 30.22, -58.13)
CIE-LCH	lch(32.22, 65.52, 297.46°)
OKLab	oklab(42.76% 0.0033 -0.1678)
OKLCH	oklch(42.76% 0.168 271.1)
XYZ	xyz(10.2590, 7.1833, 38.3743)
Luminance	0.0718 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3140A9 #A99A31

analogous

#317CA9 #3140A9 #5E31A9

triadic

#3140A9 #A93140 #40A931

tetradic

#3140A9 #A9317C #A99A31 #31A95E

square

#3140A9 #A9317C #A99A31 #31A95E

split-complementary

#3140A9 #A95E31 #7CA931

monochromatic

#151C4A #232E7A #3140A9 #4C5CCB #7C87D9

Accessibility & contrast

On white

8.62

#3140A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#3140A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3140A9

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3140A9	#FFFFFF	#000000	##FFFFFF
##3140A9	1.00	8.62	2.44	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051AC

Deuteranopia (green-blind)

#0046A7

Tritanopia (blue-blind)

#005B6E

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3140a9;
/* rgb */ color: rgb(49, 64, 169);
/* oklch */ color: oklch(42.8% 0.168 271.1);

Tailwind

colors: {
  custom: {
    50: '#7974c3',
    500: '#3140a9',
    950: '#000000',
  },
}

SCSS

$custom: #3140a9;
$custom-light: #7974c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3140a9",
  "rgb": {
    "r": 49,
    "g": 64,
    "b": 169
  },
  "hsl": {
    "h": 232.5,
    "s": 55.046,
    "l": 42.745
  },
  "oklch": {
    "l": 0.42762,
    "c": 0.16781,
    "h": 271.1
  },
  "luminance": 0.07184
}

Semantic roles & 50–950 ramp

primary

#3140A9

secondary

#C1B874

accent

#CC49DE

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #3140A9

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

Preview Lab → · Contrast checker → · Palette generator →