#2743AE#2743AE

#2743AE is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.3% C 0.174 H 267.2°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#2743AE
RGB	rgb(39, 67, 174)
HSL	hsl(228, 63%, 42%)
HSV	hsv(228, 78%, 68%)
CMYK	cmyk(77.6%, 61.5%, 0%, 31.8%)
CIE-LAB	lab(32.92, 28.91, -60.00)
CIE-LCH	lch(32.92, 66.60, 295.72°)
OKLab	oklab(43.28% -0.0084 -0.1734)
OKLCH	oklch(43.28% 0.174 267.2)
XYZ	xyz(10.4812, 7.5005, 40.9315)
Luminance	0.0750 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2743AE #AE9227

analogous

#2786AE #2743AE #4F27AE

triadic

#2743AE #AE2743 #43AE27

tetradic

#2743AE #AE2786 #AE9227 #27AE4F

square

#2743AE #AE2786 #AE9227 #27AE4F

split-complementary

#2743AE #AE4F27 #86AE27

monochromatic

#111C4A #1C307C #2743AE #3E5DD4 #7087DF

Accessibility & contrast

On white

8.40

#2743AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2743AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2743AE

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2743AE	#FFFFFF	#000000	##FFFFFF
##2743AE	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B2

Deuteranopia (green-blind)

#0047AC

Tritanopia (blue-blind)

#005E72

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2743ae;
/* rgb */ color: rgb(39, 67, 174);
/* oklch */ color: oklch(43.3% 0.174 267.2);

Tailwind

colors: {
  custom: {
    50: '#7776c7',
    500: '#2743ae',
    950: '#000000',
  },
}

SCSS

$custom: #2743ae;
$custom-light: #7776c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2743ae",
  "rgb": {
    "r": 39,
    "g": 67,
    "b": 174
  },
  "hsl": {
    "h": 227.556,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.43277,
    "c": 0.17363,
    "h": 267.2
  },
  "luminance": 0.07502
}

Semantic roles & 50–950 ramp

primary

#2743AE

secondary

#C6B36B

accent

#C441E6

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2743AE

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

Preview Lab → · Contrast checker → · Palette generator →