#2544A3#2544A3

#2544A3 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.4% C 0.158 H 266.0°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#2544A3
RGB	rgb(37, 68, 163)
HSL	hsl(225, 63%, 39%)
HSV	hsv(225, 77%, 64%)
CMYK	cmyk(77.3%, 58.3%, 0%, 36.1%)
CIE-LAB	lab(32.19, 23.81, -54.60)
CIE-LCH	lch(32.19, 59.57, 293.56°)
OKLab	oklab(42.43% -0.011 -0.1576)
OKLCH	oklch(42.43% 0.158 266)
XYZ	xyz(9.4386, 7.1708, 35.5299)
Luminance	0.0717 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2544A3 #A38425

analogous

#2583A3 #2544A3 #4525A3

triadic

#2544A3 #A32544 #44A325

tetradic

#2544A3 #A32583 #A38425 #25A345

square

#2544A3 #A32583 #A38425 #25A345

split-complementary

#2544A3 #A34525 #83A325

monochromatic

#0E1A3F #1A2F71 #2544A3 #345BD1 #6683DC

Accessibility & contrast

On white

8.63

#2544A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#2544A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2544A3

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2544A3	#FFFFFF	#000000	##FFFFFF
##2544A3	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)

#0052A6

Deuteranopia (green-blind)

#0046A1

Tritanopia (blue-blind)

#005C6C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2544a3;
/* rgb */ color: rgb(37, 68, 163);
/* oklch */ color: oklch(42.4% 0.158 266.0);

Tailwind

colors: {
  custom: {
    50: '#7377bf',
    500: '#2544a3',
    950: '#000000',
  },
}

SCSS

$custom: #2544a3;
$custom-light: #7377bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2544a3",
  "rgb": {
    "r": 37,
    "g": 68,
    "b": 163
  },
  "hsl": {
    "h": 225.238,
    "s": 63,
    "l": 39.216
  },
  "oklch": {
    "l": 0.42428,
    "c": 0.15799,
    "h": 266
  },
  "luminance": 0.07172
}

Semantic roles & 50–950 ramp

primary

#2544A3

secondary

#C2AA62

accent

#BE42E6

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2544A3

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

Preview Lab → · Contrast checker → · Palette generator →