#2747B6#2747B6

#2747B6 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.8% C 0.179 H 266.5°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#2747B6
RGB	rgb(39, 71, 182)
HSL	hsl(227, 65%, 43%)
HSV	hsv(227, 79%, 71%)
CMYK	cmyk(78.6%, 61%, 0%, 28.6%)
CIE-LAB	lab(34.63, 29.29, -61.95)
CIE-LCH	lch(34.63, 68.53, 295.31°)
OKLab	oklab(44.76% -0.0109 -0.1791)
OKLCH	oklch(44.76% 0.179 266.5)
XYZ	xyz(11.5305, 8.3139, 45.2439)
Luminance	0.0832 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2747B6 #B69627

analogous

#278EB6 #2747B6 #4E27B6

triadic

#2747B6 #B62747 #47B627

tetradic

#2747B6 #B6278E #B69627 #27B64E

square

#2747B6 #B6278E #B69627 #27B64E

split-complementary

#2747B6 #B64E27 #8EB627

monochromatic

#112051 #1C3384 #2747B6 #4364D7 #768EE2

Accessibility & contrast

On white

7.89

#2747B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#2747B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2747B6

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2747B6	#FFFFFF	#000000	##FFFFFF
##2747B6	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BA

Deuteranopia (green-blind)

#004BB4

Tritanopia (blue-blind)

#006477

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2747b6;
/* rgb */ color: rgb(39, 71, 182);
/* oklch */ color: oklch(44.8% 0.179 266.5);

Tailwind

colors: {
  custom: {
    50: '#7879cd',
    500: '#2747b6',
    950: '#000000',
  },
}

SCSS

$custom: #2747b6;
$custom-light: #7879cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2747b6",
  "rgb": {
    "r": 39,
    "g": 71,
    "b": 182
  },
  "hsl": {
    "h": 226.573,
    "s": 64.706,
    "l": 43.333
  },
  "oklch": {
    "l": 0.44756,
    "c": 0.17945,
    "h": 266.5
  },
  "luminance": 0.08315
}

Semantic roles & 50–950 ramp

primary

#2747B6

secondary

#C9B570

accent

#C240E8

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2747B6

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

Preview Lab → · Contrast checker → · Palette generator →