#2544AA#2544AA

#2544AA is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.0% C 0.168 H 266.3°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#2544AA
RGB	rgb(37, 68, 170)
HSL	hsl(226, 64%, 41%)
HSV	hsv(226, 78%, 67%)
CMYK	cmyk(78.2%, 60%, 0%, 33.3%)
CIE-LAB	lab(32.76, 26.51, -57.87)
CIE-LCH	lch(32.76, 63.65, 294.61°)
OKLab	oklab(43.03% -0.0108 -0.1672)
OKLCH	oklch(43.03% 0.168 266.3)
XYZ	xyz(10.0832, 7.4287, 38.9249)
Luminance	0.0743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2544AA #AA8B25

analogous

#2586AA #2544AA #4825AA

triadic

#2544AA #AA2544 #44AA25

tetradic

#2544AA #AA2586 #AA8B25 #25AA48

square

#2544AA #AA2586 #AA8B25 #25AA48

split-complementary

#2544AA #AA4825 #86AA25

monochromatic

#0F1C45 #1A3078 #2544AA #385DD4 #6B86DF

Accessibility & contrast

On white

8.45

#2544AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#2544AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2544AA

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2544AA	#FFFFFF	#000000	##FFFFFF
##2544AA	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AD

Deuteranopia (green-blind)

#0047A8

Tritanopia (blue-blind)

#005E70

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2544aa;
/* rgb */ color: rgb(37, 68, 170);
/* oklch */ color: oklch(43.0% 0.168 266.3);

Tailwind

colors: {
  custom: {
    50: '#7577c4',
    500: '#2544aa',
    950: '#000000',
  },
}

SCSS

$custom: #2544aa;
$custom-light: #7577c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2544aa",
  "rgb": {
    "r": 37,
    "g": 68,
    "b": 170
  },
  "hsl": {
    "h": 226.015,
    "s": 64.251,
    "l": 40.588
  },
  "oklch": {
    "l": 0.43034,
    "c": 0.16756,
    "h": 266.3
  },
  "luminance": 0.0743
}

Semantic roles & 50–950 ramp

primary

#2544AA

secondary

#C5AF66

accent

#C041E7

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2544AA

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

Preview Lab → · Contrast checker → · Palette generator →