#2544AB#2544AB

#2544AB is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.1% C 0.169 H 266.3°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#2544AB
RGB	rgb(37, 68, 171)
HSL	hsl(226, 64%, 41%)
HSV	hsv(226, 78%, 67%)
CMYK	cmyk(78.4%, 60.2%, 0%, 32.9%)
CIE-LAB	lab(32.85, 26.89, -58.33)
CIE-LCH	lch(32.85, 64.23, 294.75°)
OKLab	oklab(43.12% -0.0108 -0.1686)
OKLCH	oklch(43.12% 0.169 266.3)
XYZ	xyz(10.1782, 7.4667, 39.4250)
Luminance	0.0747 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2544AB #AB8C25

analogous

#2587AB #2544AB #4925AB

triadic

#2544AB #AB2544 #44AB25

tetradic

#2544AB #AB2587 #AB8C25 #25AB49

square

#2544AB #AB2587 #AB8C25 #25AB49

split-complementary

#2544AB #AB4925 #87AB25

monochromatic

#0F1C46 #1A3079 #2544AB #395DD4 #6B86DF

Accessibility & contrast

On white

8.42

#2544AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#2544AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2544AB

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2544AB	#FFFFFF	#000000	##FFFFFF
##2544AB	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AE

Deuteranopia (green-blind)

#0047A9

Tritanopia (blue-blind)

#005E71

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2544ab;
/* rgb */ color: rgb(37, 68, 171);
/* oklch */ color: oklch(43.1% 0.169 266.3);

Tailwind

colors: {
  custom: {
    50: '#7577c5',
    500: '#2544ab',
    950: '#000000',
  },
}

SCSS

$custom: #2544ab;
$custom-light: #7577c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2544ab",
  "rgb": {
    "r": 37,
    "g": 68,
    "b": 171
  },
  "hsl": {
    "h": 226.119,
    "s": 64.423,
    "l": 40.784
  },
  "oklch": {
    "l": 0.43121,
    "c": 0.16891,
    "h": 266.3
  },
  "luminance": 0.07468
}

Semantic roles & 50–950 ramp

primary

#2544AB

secondary

#C5AF67

accent

#C140E7

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2544AB

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

Preview Lab → · Contrast checker → · Palette generator →