#2743A9#2743A9

#2743A9 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.8% C 0.167 H 267.1°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#2743A9
RGB	rgb(39, 67, 169)
HSL	hsl(227, 63%, 41%)
HSV	hsv(227, 77%, 66%)
CMYK	cmyk(76.9%, 60.4%, 0%, 33.7%)
CIE-LAB	lab(32.50, 27.01, -57.70)
CIE-LCH	lch(32.50, 63.71, 295.09°)
OKLab	oklab(42.84% -0.0084 -0.1667)
OKLCH	oklch(42.84% 0.167 267.1)
XYZ	xyz(10.0028, 7.3091, 38.4120)
Luminance	0.0731 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2743A9 #A98D27

analogous

#2784A9 #2743A9 #4C27A9

triadic

#2743A9 #A92743 #43A927

tetradic

#2743A9 #A92784 #A98D27 #27A94C

square

#2743A9 #A92784 #A98D27 #27A94C

split-complementary

#2743A9 #A94C27 #84A927

monochromatic

#101C46 #1C2F77 #2743A9 #3B5CD2 #6D85DD

Accessibility & contrast

On white

8.53

#2743A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#2743A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2743A9

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2743A9	#FFFFFF	#000000	##FFFFFF
##2743A9	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AC

Deuteranopia (green-blind)

#0047A7

Tritanopia (blue-blind)

#005D6F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2743a9;
/* rgb */ color: rgb(39, 67, 169);
/* oklch */ color: oklch(42.8% 0.167 267.1);

Tailwind

colors: {
  custom: {
    50: '#7676c3',
    500: '#2743a9',
    950: '#000000',
  },
}

SCSS

$custom: #2743a9;
$custom-light: #7676c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2743a9",
  "rgb": {
    "r": 39,
    "g": 67,
    "b": 169
  },
  "hsl": {
    "h": 227.077,
    "s": 62.5,
    "l": 40.784
  },
  "oklch": {
    "l": 0.42835,
    "c": 0.16689,
    "h": 267.1
  },
  "luminance": 0.0731
}

Semantic roles & 50–950 ramp

primary

#2743A9

secondary

#C4B068

accent

#C242E6

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2743A9

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

Preview Lab → · Contrast checker → · Palette generator →