#2744B4#2744B4

#2744B4 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.0% C 0.180 H 267.1°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#2744B4
RGB	rgb(39, 68, 180)
HSL	hsl(228, 64%, 43%)
HSV	hsv(228, 78%, 71%)
CMYK	cmyk(78.3%, 62.2%, 0%, 29.4%)
CIE-LAB	lab(33.69, 30.51, -62.31)
CIE-LCH	lch(33.69, 69.38, 296.09°)
OKLab	oklab(44.01% -0.0091 -0.1802)
OKLCH	oklch(44.01% 0.18 267.1)
XYZ	xyz(11.1392, 7.8596, 44.1011)
Luminance	0.0786 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2744B4 #B49727

analogous

#278AB4 #2744B4 #5127B4

triadic

#2744B4 #B42744 #44B427

tetradic

#2744B4 #B4278A #B49727 #27B451

square

#2744B4 #B4278A #B49727 #27B451

split-complementary

#2744B4 #B45127 #8AB427

monochromatic

#111E4F #1C3182 #2744B4 #4261D6 #748BE1

Accessibility & contrast

On white

8.16

#2744B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2744B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2744B4

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2744B4	#FFFFFF	#000000	##FFFFFF
##2744B4	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B8

Deuteranopia (green-blind)

#0049B2

Tritanopia (blue-blind)

#006175

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2744b4;
/* rgb */ color: rgb(39, 68, 180);
/* oklch */ color: oklch(44.0% 0.180 267.1);

Tailwind

colors: {
  custom: {
    50: '#7877cb',
    500: '#2744b4',
    950: '#000000',
  },
}

SCSS

$custom: #2744b4;
$custom-light: #7877cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2744b4",
  "rgb": {
    "r": 39,
    "g": 68,
    "b": 180
  },
  "hsl": {
    "h": 227.66,
    "s": 64.384,
    "l": 42.941
  },
  "oklch": {
    "l": 0.44006,
    "c": 0.18042,
    "h": 267.1
  },
  "luminance": 0.07861
}

Semantic roles & 50–950 ramp

primary

#2744B4

secondary

#C8B66F

accent

#C540E7

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2744B4

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

Preview Lab → · Contrast checker → · Palette generator →