#2544AC#2544AC

#2544AC is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.2% C 0.170 H 266.4°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#2544AC
RGB	rgb(37, 68, 172)
HSL	hsl(226, 65%, 41%)
HSV	hsv(226, 78%, 67%)
CMYK	cmyk(78.5%, 60.5%, 0%, 32.5%)
CIE-LAB	lab(32.93, 27.27, -58.79)
CIE-LCH	lch(32.93, 64.81, 294.89°)
OKLab	oklab(43.21% -0.0107 -0.1699)
OKLCH	oklch(43.21% 0.17 266.4)
XYZ	xyz(10.2739, 7.5049, 39.9289)
Luminance	0.0751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2544AC #AC8D25

analogous

#2587AC #2544AC #4925AC

triadic

#2544AC #AC2544 #44AC25

tetradic

#2544AC #AC2587 #AC8D25 #25AC49

square

#2544AC #AC2587 #AC8D25 #25AC49

split-complementary

#2544AC #AC4925 #87AC25

monochromatic

#0F1C47 #1A307A #2544AC #3A5DD5 #6C87DF

Accessibility & contrast

On white

8.40

#2544AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2544AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2544AC

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2544AC	#FFFFFF	#000000	##FFFFFF
##2544AC	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AF

Deuteranopia (green-blind)

#0047AA

Tritanopia (blue-blind)

#005F71

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2544ac;
/* rgb */ color: rgb(37, 68, 172);
/* oklch */ color: oklch(43.2% 0.170 266.4);

Tailwind

colors: {
  custom: {
    50: '#7677c6',
    500: '#2544ac',
    950: '#000000',
  },
}

SCSS

$custom: #2544ac;
$custom-light: #7677c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2544ac",
  "rgb": {
    "r": 37,
    "g": 68,
    "b": 172
  },
  "hsl": {
    "h": 226.222,
    "s": 64.593,
    "l": 40.98
  },
  "oklch": {
    "l": 0.43209,
    "c": 0.17026,
    "h": 266.4
  },
  "luminance": 0.07506
}

Semantic roles & 50–950 ramp

primary

#2544AC

secondary

#C6B067

accent

#C140E8

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2544AC

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

Preview Lab → · Contrast checker → · Palette generator →