#2747AB#2747AB

#2747AB is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.8% C 0.165 H 266.1°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#2747AB
RGB	rgb(39, 71, 171)
HSL	hsl(225, 63%, 41%)
HSV	hsv(225, 77%, 67%)
CMYK	cmyk(77.2%, 58.5%, 0%, 32.9%)
CIE-LAB	lab(33.73, 25.11, -56.90)
CIE-LCH	lch(33.73, 62.19, 293.81°)
OKLab	oklab(43.8% -0.0112 -0.1643)
OKLCH	oklch(43.8% 0.165 266.1)
XYZ	xyz(10.4380, 7.8769, 39.4905)
Luminance	0.0788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2747AB #AB8B27

analogous

#2789AB #2747AB #4927AB

triadic

#2747AB #AB2747 #47AB27

tetradic

#2747AB #AB2789 #AB8B27 #27AB49

square

#2747AB #AB2789 #AB8B27 #27AB49

split-complementary

#2747AB #AB4927 #89AB27

monochromatic

#101E47 #1C3279 #2747AB #3D61D3 #6E89DE

Accessibility & contrast

On white

8.15

#2747AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#2747AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2747AB

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2747AB	#FFFFFF	#000000	##FFFFFF
##2747AB	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)

#0056AE

Deuteranopia (green-blind)

#0049A9

Tritanopia (blue-blind)

#006072

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2747ab;
/* rgb */ color: rgb(39, 71, 171);
/* oklch */ color: oklch(43.8% 0.165 266.1);

Tailwind

colors: {
  custom: {
    50: '#7679c5',
    500: '#2747ab',
    950: '#000000',
  },
}

SCSS

$custom: #2747ab;
$custom-light: #7679c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2747ab",
  "rgb": {
    "r": 39,
    "g": 71,
    "b": 171
  },
  "hsl": {
    "h": 225.455,
    "s": 62.857,
    "l": 41.176
  },
  "oklch": {
    "l": 0.43801,
    "c": 0.16465,
    "h": 266.1
  },
  "luminance": 0.07878
}

Semantic roles & 50–950 ramp

primary

#2747AB

secondary

#C5AE69

accent

#BE42E6

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2747AB

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

Preview Lab → · Contrast checker → · Palette generator →