#2544A5#2544A5

#2544A5 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.6% C 0.161 H 266.1°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#2544A5
RGB	rgb(37, 68, 165)
HSL	hsl(225, 63%, 40%)
HSV	hsv(225, 78%, 65%)
CMYK	cmyk(77.6%, 58.8%, 0%, 35.3%)
CIE-LAB	lab(32.35, 24.59, -55.54)
CIE-LCH	lch(32.35, 60.74, 293.88°)
OKLab	oklab(42.6% -0.0109 -0.1604)
OKLCH	oklch(42.6% 0.161 266.1)
XYZ	xyz(9.6192, 7.2431, 36.4811)
Luminance	0.0724 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2544A5 #A58625

analogous

#2584A5 #2544A5 #4625A5

triadic

#2544A5 #A52544 #44A525

tetradic

#2544A5 #A52584 #A58625 #25A546

square

#2544A5 #A52584 #A58625 #25A546

split-complementary

#2544A5 #A54625 #84A525

monochromatic

#0F1B41 #1A2F73 #2544A5 #355BD2 #6784DD

Accessibility & contrast

On white

8.58

#2544A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2544A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2544A5

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2544A5	#FFFFFF	#000000	##FFFFFF
##2544A5	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	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: #2544a5;
/* rgb */ color: rgb(37, 68, 165);
/* oklch */ color: oklch(42.6% 0.161 266.1);

Tailwind

colors: {
  custom: {
    50: '#7477c0',
    500: '#2544a5',
    950: '#000000',
  },
}

SCSS

$custom: #2544a5;
$custom-light: #7477c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2544a5",
  "rgb": {
    "r": 37,
    "g": 68,
    "b": 165
  },
  "hsl": {
    "h": 225.469,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.426,
    "c": 0.16074,
    "h": 266.1
  },
  "luminance": 0.07244
}

Semantic roles & 50–950 ramp

primary

#2544A5

secondary

#C3AC63

accent

#BE41E6

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2544A5

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

Preview Lab → · Contrast checker → · Palette generator →