#3145AC#3145AC

#3145AC is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.0% C 0.166 H 269.8°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#3145AC
RGB	rgb(49, 69, 172)
HSL	hsl(230, 56%, 43%)
HSV	hsv(230, 72%, 67%)
CMYK	cmyk(71.5%, 59.9%, 0%, 32.5%)
CIE-LAB	lab(33.75, 28.04, -57.44)
CIE-LCH	lch(33.75, 63.92, 296.02°)
OKLab	oklab(43.97% -0.0005 -0.1657)
OKLCH	oklch(43.97% 0.166 269.8)
XYZ	xyz(10.8386, 7.8867, 39.9728)
Luminance	0.0789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3145AC #AC9831

analogous

#3182AC #3145AC #5A31AC

triadic

#3145AC #AC3145 #45AC31

tetradic

#3145AC #AC3182 #AC9831 #31AC5A

square

#3145AC #AC3182 #AC9831 #31AC5A

split-complementary

#3145AC #AC5A31 #82AC31

monochromatic

#161F4D #23327C #3145AC #4E62CC #7D8CDA

Accessibility & contrast

On white

8.15

#3145AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#3145AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3145AC

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3145AC	#FFFFFF	#000000	##FFFFFF
##3145AC	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AF

Deuteranopia (green-blind)

#004AAA

Tritanopia (blue-blind)

#005F71

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3145ac;
/* rgb */ color: rgb(49, 69, 172);
/* oklch */ color: oklch(44.0% 0.166 269.8);

Tailwind

colors: {
  custom: {
    50: '#7a78c6',
    500: '#3145ac',
    950: '#000000',
  },
}

SCSS

$custom: #3145ac;
$custom-light: #7a78c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3145ac",
  "rgb": {
    "r": 49,
    "g": 69,
    "b": 172
  },
  "hsl": {
    "h": 230.244,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.43969,
    "c": 0.16569,
    "h": 269.8
  },
  "luminance": 0.07888
}

Semantic roles & 50–950 ramp

primary

#3145AC

secondary

#C3B676

accent

#C749DF

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #3145AC

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

Preview Lab → · Contrast checker → · Palette generator →