#2743AD#2743AD

#2743AD is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.2% C 0.172 H 267.2°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#2743AD
RGB	rgb(39, 67, 173)
HSL	hsl(227, 63%, 42%)
HSV	hsv(227, 77%, 68%)
CMYK	cmyk(77.5%, 61.3%, 0%, 32.2%)
CIE-LAB	lab(32.84, 28.53, -59.54)
CIE-LCH	lch(32.84, 66.02, 295.60°)
OKLab	oklab(43.19% -0.0084 -0.1721)
OKLCH	oklch(43.19% 0.172 267.2)
XYZ	xyz(10.3840, 7.4616, 40.4200)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2743AD #AD9127

analogous

#2786AD #2743AD #4E27AD

triadic

#2743AD #AD2743 #43AD27

tetradic

#2743AD #AD2786 #AD9127 #27AD4E

square

#2743AD #AD2786 #AD9127 #27AD4E

split-complementary

#2743AD #AD4E27 #86AD27

monochromatic

#101C49 #1C307B #2743AD #3E5DD3 #7087DF

Accessibility & contrast

On white

8.42

#2743AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#2743AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2743AD

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2743AD	#FFFFFF	#000000	##FFFFFF
##2743AD	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B0

Deuteranopia (green-blind)

#0047AB

Tritanopia (blue-blind)

#005E71

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2743ad;
/* rgb */ color: rgb(39, 67, 173);
/* oklch */ color: oklch(43.2% 0.172 267.2);

Tailwind

colors: {
  custom: {
    50: '#7776c6',
    500: '#2743ad',
    950: '#000000',
  },
}

SCSS

$custom: #2743ad;
$custom-light: #7776c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2743ad",
  "rgb": {
    "r": 39,
    "g": 67,
    "b": 173
  },
  "hsl": {
    "h": 227.463,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.43188,
    "c": 0.1723,
    "h": 267.2
  },
  "luminance": 0.07463
}

Semantic roles & 50–950 ramp

primary

#2743AD

secondary

#C6B26A

accent

#C442E6

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2743AD

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

Preview Lab → · Contrast checker → · Palette generator →