#3140AA#3140AA

#3140AA is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.9% C 0.169 H 271.1°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#3140AA
RGB	rgb(49, 64, 170)
HSL	hsl(233, 55%, 43%)
HSV	hsv(233, 71%, 67%)
CMYK	cmyk(71.2%, 62.4%, 0%, 33.3%)
CIE-LAB	lab(32.30, 30.58, -58.59)
CIE-LCH	lch(32.30, 66.09, 297.56°)
OKLab	oklab(42.85% 0.0033 -0.1691)
OKLCH	oklch(42.85% 0.169 271.1)
XYZ	xyz(10.3533, 7.2210, 38.8706)
Luminance	0.0722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3140AA #AA9B31

analogous

#317CAA #3140AA #5E31AA

triadic

#3140AA #AA3140 #40AA31

tetradic

#3140AA #AA317C #AA9B31 #31AA5E

square

#3140AA #AA317C #AA9B31 #31AA5E

split-complementary

#3140AA #AA5E31 #7CAA31

monochromatic

#161C4B #232E7A #3140AA #4D5CCC #7C88D9

Accessibility & contrast

On white

8.59

#3140AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#3140AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3140AA

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3140AA	#FFFFFF	#000000	##FFFFFF
##3140AA	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AD

Deuteranopia (green-blind)

#0047A8

Tritanopia (blue-blind)

#005B6F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3140aa;
/* rgb */ color: rgb(49, 64, 170);
/* oklch */ color: oklch(42.9% 0.169 271.1);

Tailwind

colors: {
  custom: {
    50: '#7a74c4',
    500: '#3140aa',
    950: '#000000',
  },
}

SCSS

$custom: #3140aa;
$custom-light: #7a74c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3140aa",
  "rgb": {
    "r": 49,
    "g": 64,
    "b": 170
  },
  "hsl": {
    "h": 232.562,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.4285,
    "c": 0.16917,
    "h": 271.1
  },
  "luminance": 0.07222
}

Semantic roles & 50–950 ramp

primary

#3140AA

secondary

#C2B875

accent

#CC49DF

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #3140AA

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

Preview Lab → · Contrast checker → · Palette generator →