#2744B1#2744B1

#2744B1 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.7% C 0.176 H 267.1°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#2744B1
RGB	rgb(39, 68, 177)
HSL	hsl(227, 64%, 42%)
HSV	hsv(227, 78%, 69%)
CMYK	cmyk(78%, 61.6%, 0%, 30.6%)
CIE-LAB	lab(33.43, 29.38, -60.95)
CIE-LCH	lch(33.43, 67.66, 295.74°)
OKLab	oklab(43.74% -0.0091 -0.1762)
OKLCH	oklch(43.74% 0.176 267.1)
XYZ	xyz(10.8369, 7.7387, 42.5090)
Luminance	0.0774 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2744B1 #B19427

analogous

#2789B1 #2744B1 #4F27B1

triadic

#2744B1 #B12744 #44B127

tetradic

#2744B1 #B12789 #B19427 #27B14F

square

#2744B1 #B12789 #B19427 #27B14F

split-complementary

#2744B1 #B14F27 #89B127

monochromatic

#111D4D #1C317F #2744B1 #405FD5 #7289E0

Accessibility & contrast

On white

8.24

#2744B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#2744B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2744B1

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2744B1	#FFFFFF	#000000	##FFFFFF
##2744B1	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B5

Deuteranopia (green-blind)

#0048AF

Tritanopia (blue-blind)

#006074

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2744b1;
/* rgb */ color: rgb(39, 68, 177);
/* oklch */ color: oklch(43.7% 0.176 267.1);

Tailwind

colors: {
  custom: {
    50: '#7777c9',
    500: '#2744b1',
    950: '#000000',
  },
}

SCSS

$custom: #2744b1;
$custom-light: #7777c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2744b1",
  "rgb": {
    "r": 39,
    "g": 68,
    "b": 177
  },
  "hsl": {
    "h": 227.391,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.43737,
    "c": 0.17643,
    "h": 267.1
  },
  "luminance": 0.0774
}

Semantic roles & 50–950 ramp

primary

#2744B1

secondary

#C7B46D

accent

#C441E7

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2744B1

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

Preview Lab → · Contrast checker → · Palette generator →