#2743A5#2743A5

#2743A5 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.5% C 0.161 H 267.0°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#2743A5
RGB	rgb(39, 67, 165)
HSL	hsl(227, 62%, 40%)
HSV	hsv(227, 76%, 65%)
CMYK	cmyk(76.4%, 59.4%, 0%, 35.3%)
CIE-LAB	lab(32.17, 25.48, -55.84)
CIE-LCH	lch(32.17, 61.38, 294.53°)
OKLab	oklab(42.49% -0.0085 -0.1612)
OKLCH	oklch(42.49% 0.161 267)
XYZ	xyz(9.6330, 7.1612, 36.4646)
Luminance	0.0716 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2743A5 #A58927

analogous

#2782A5 #2743A5 #4A27A5

triadic

#2743A5 #A52743 #43A527

tetradic

#2743A5 #A52782 #A58927 #27A54A

square

#2743A5 #A52782 #A58927 #27A54A

split-complementary

#2743A5 #A54A27 #82A527

monochromatic

#101B42 #1B2F74 #2743A5 #395BD0 #6A84DC

Accessibility & contrast

On white

8.63

#2743A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#2743A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2743A5

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2743A5	#FFFFFF	#000000	##FFFFFF
##2743A5	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A8

Deuteranopia (green-blind)

#0046A3

Tritanopia (blue-blind)

#005C6D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2743a5;
/* rgb */ color: rgb(39, 67, 165);
/* oklch */ color: oklch(42.5% 0.161 267.0);

Tailwind

colors: {
  custom: {
    50: '#7576c0',
    500: '#2743a5',
    950: '#000000',
  },
}

SCSS

$custom: #2743a5;
$custom-light: #7576c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2743a5",
  "rgb": {
    "r": 39,
    "g": 67,
    "b": 165
  },
  "hsl": {
    "h": 226.667,
    "s": 61.765,
    "l": 40
  },
  "oklch": {
    "l": 0.42486,
    "c": 0.16144,
    "h": 267
  },
  "luminance": 0.07162
}

Semantic roles & 50–950 ramp

primary

#2743A5

secondary

#C2AE66

accent

#C143E5

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2743A5

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

Preview Lab → · Contrast checker → · Palette generator →