#2743A4#2743A4

#2743A4 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.4% C 0.160 H 266.9°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#2743A4
RGB	rgb(39, 67, 164)
HSL	hsl(227, 62%, 40%)
HSV	hsv(227, 76%, 64%)
CMYK	cmyk(76.2%, 59.1%, 0%, 35.7%)
CIE-LAB	lab(32.09, 25.10, -55.37)
CIE-LCH	lch(32.09, 60.79, 294.39°)
OKLab	oklab(42.4% -0.0085 -0.1598)
OKLCH	oklch(42.4% 0.16 266.9)
XYZ	xyz(9.5424, 7.1249, 35.9871)
Luminance	0.0713 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2743A4 #A48827

analogous

#2782A4 #2743A4 #4A27A4

triadic

#2743A4 #A42743 #43A427

tetradic

#2743A4 #A42782 #A48827 #27A44A

square

#2743A4 #A42782 #A48827 #27A44A

split-complementary

#2743A4 #A44A27 #82A427

monochromatic

#0F1B41 #1B2F73 #2743A4 #385AD0 #6A83DC

Accessibility & contrast

On white

8.66

#2743A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#2743A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2743A4

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2743A4	#FFFFFF	#000000	##FFFFFF
##2743A4	1.00	8.66	2.43	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A7

Deuteranopia (green-blind)

#0046A2

Tritanopia (blue-blind)

#005B6D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2743a4;
/* rgb */ color: rgb(39, 67, 164);
/* oklch */ color: oklch(42.4% 0.160 266.9);

Tailwind

colors: {
  custom: {
    50: '#7476c0',
    500: '#2743a4',
    950: '#000000',
  },
}

SCSS

$custom: #2743a4;
$custom-light: #7476c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2743a4",
  "rgb": {
    "r": 39,
    "g": 67,
    "b": 164
  },
  "hsl": {
    "h": 226.56,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.424,
    "c": 0.16007,
    "h": 266.9
  },
  "luminance": 0.07126
}

Semantic roles & 50–950 ramp

primary

#2743A4

secondary

#C2AD65

accent

#C043E5

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2743A4

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

Preview Lab → · Contrast checker → · Palette generator →