#2747AA#2747AA

#2747AA is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.7% C 0.163 H 266.1°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#2747AA
RGB	rgb(39, 71, 170)
HSL	hsl(225, 63%, 41%)
HSV	hsv(225, 77%, 67%)
CMYK	cmyk(77.1%, 58.2%, 0%, 33.3%)
CIE-LAB	lab(33.65, 24.72, -56.43)
CIE-LCH	lch(33.65, 61.61, 293.66°)
OKLab	oklab(43.72% -0.0112 -0.1629)
OKLCH	oklch(43.72% 0.163 266.1)
XYZ	xyz(10.3431, 7.8389, 38.9904)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2747AA #AA8A27

analogous

#2788AA #2747AA #4927AA

triadic

#2747AA #AA2747 #47AA27

tetradic

#2747AA #AA2788 #AA8A27 #27AA49

square

#2747AA #AA2788 #AA8A27 #27AA49

split-complementary

#2747AA #AA4927 #88AA27

monochromatic

#101D46 #1C3278 #2747AA #3C61D2 #6E89DE

Accessibility & contrast

On white

8.18

#2747AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2747AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2747AA

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2747AA	#FFFFFF	#000000	##FFFFFF
##2747AA	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AD

Deuteranopia (green-blind)

#0049A8

Tritanopia (blue-blind)

#006071

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2747aa;
/* rgb */ color: rgb(39, 71, 170);
/* oklch */ color: oklch(43.7% 0.163 266.1);

Tailwind

colors: {
  custom: {
    50: '#7579c4',
    500: '#2747aa',
    950: '#000000',
  },
}

SCSS

$custom: #2747aa;
$custom-light: #7579c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2747aa",
  "rgb": {
    "r": 39,
    "g": 71,
    "b": 170
  },
  "hsl": {
    "h": 225.344,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.43716,
    "c": 0.16328,
    "h": 266.1
  },
  "luminance": 0.0784
}

Semantic roles & 50–950 ramp

primary

#2747AA

secondary

#C4AE69

accent

#BE42E6

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2747AA

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

Preview Lab → · Contrast checker → · Palette generator →