#2743AA#2743AA

#2743AA is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.9% C 0.168 H 267.1°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#2743AA
RGB	rgb(39, 67, 170)
HSL	hsl(227, 63%, 41%)
HSV	hsv(227, 77%, 67%)
CMYK	cmyk(77.1%, 60.6%, 0%, 33.3%)
CIE-LAB	lab(32.58, 27.39, -58.16)
CIE-LCH	lch(32.58, 64.29, 295.22°)
OKLab	oklab(42.92% -0.0084 -0.168)
OKLCH	oklch(42.92% 0.168 267.1)
XYZ	xyz(10.0970, 7.3468, 38.9083)
Luminance	0.0735 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2743AA #AA8E27

analogous

#2784AA #2743AA #4D27AA

triadic

#2743AA #AA2743 #43AA27

tetradic

#2743AA #AA2784 #AA8E27 #27AA4D

square

#2743AA #AA2784 #AA8E27 #27AA4D

split-complementary

#2743AA #AA4D27 #84AA27

monochromatic

#101C46 #1C2F78 #2743AA #3C5CD2 #6E86DE

Accessibility & contrast

On white

8.50

#2743AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2743AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2743AA

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2743AA	#FFFFFF	#000000	##FFFFFF
##2743AA	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AD

Deuteranopia (green-blind)

#0047A8

Tritanopia (blue-blind)

#005D70

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2743aa;
/* rgb */ color: rgb(39, 67, 170);
/* oklch */ color: oklch(42.9% 0.168 267.1);

Tailwind

colors: {
  custom: {
    50: '#7676c4',
    500: '#2743aa',
    950: '#000000',
  },
}

SCSS

$custom: #2743aa;
$custom-light: #7676c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2743aa",
  "rgb": {
    "r": 39,
    "g": 67,
    "b": 170
  },
  "hsl": {
    "h": 227.176,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.42923,
    "c": 0.16825,
    "h": 267.1
  },
  "luminance": 0.07348
}

Semantic roles & 50–950 ramp

primary

#2743AA

secondary

#C4B169

accent

#C342E6

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2743AA

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

Preview Lab → · Contrast checker → · Palette generator →