#2743AC#2743AC

#2743AC is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.1% C 0.171 H 267.2°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#2743AC
RGB	rgb(39, 67, 172)
HSL	hsl(227, 63%, 41%)
HSV	hsv(227, 77%, 67%)
CMYK	cmyk(77.3%, 61%, 0%, 32.5%)
CIE-LAB	lab(32.75, 28.15, -59.08)
CIE-LCH	lch(32.75, 65.44, 295.48°)
OKLab	oklab(43.1% -0.0084 -0.1707)
OKLCH	oklch(43.1% 0.171 267.2)
XYZ	xyz(10.2877, 7.4231, 39.9123)
Luminance	0.0742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2743AC #AC9027

analogous

#2786AC #2743AC #4D27AC

triadic

#2743AC #AC2743 #43AC27

tetradic

#2743AC #AC2786 #AC9027 #27AC4D

square

#2743AC #AC2786 #AC9027 #27AC4D

split-complementary

#2743AC #AC4D27 #86AC27

monochromatic

#101C48 #1C307A #2743AC #3D5DD3 #6F86DE

Accessibility & contrast

On white

8.45

#2743AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#2743AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2743AC

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2743AC	#FFFFFF	#000000	##FFFFFF
##2743AC	1.00	8.45	2.48	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AF

Deuteranopia (green-blind)

#0047AA

Tritanopia (blue-blind)

#005E71

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2743ac;
/* rgb */ color: rgb(39, 67, 172);
/* oklch */ color: oklch(43.1% 0.171 267.2);

Tailwind

colors: {
  custom: {
    50: '#7676c6',
    500: '#2743ac',
    950: '#000000',
  },
}

SCSS

$custom: #2743ac;
$custom-light: #7676c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2743ac",
  "rgb": {
    "r": 39,
    "g": 67,
    "b": 172
  },
  "hsl": {
    "h": 227.368,
    "s": 63.033,
    "l": 41.373
  },
  "oklch": {
    "l": 0.43099,
    "c": 0.17095,
    "h": 267.2
  },
  "luminance": 0.07424
}

Semantic roles & 50–950 ramp

primary

#2743AC

secondary

#C5B26A

accent

#C342E6

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2743AC

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

Preview Lab → · Contrast checker → · Palette generator →