#2544BA#2544BA

#2544BA is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.5% C 0.189 H 266.7°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#2544BA
RGB	rgb(37, 68, 186)
HSL	hsl(228, 67%, 44%)
HSV	hsv(228, 80%, 73%)
CMYK	cmyk(80.1%, 63.4%, 0%, 27.1%)
CIE-LAB	lab(34.13, 32.57, -65.13)
CIE-LCH	lch(34.13, 72.82, 296.57°)
OKLab	oklab(44.47% -0.0108 -0.1885)
OKLCH	oklch(44.47% 0.189 266.7)
XYZ	xyz(11.6899, 8.0714, 47.3867)
Luminance	0.0807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2544BA #BA9B25

analogous

#258EBA #2544BA #5025BA

triadic

#2544BA #BA2544 #44BA25

tetradic

#2544BA #BA258E #BA9B25 #25BA50

square

#2544BA #BA258E #BA9B25 #25BA50

split-complementary

#2544BA #BA5025 #8EBA25

monochromatic

#111F54 #1B3187 #2544BA #4362DA #768DE4

Accessibility & contrast

On white

8.03

#2544BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#2544BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2544BA

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2544BA	#FFFFFF	#000000	##FFFFFF
##2544BA	1.00	8.03	2.61	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BE

Deuteranopia (green-blind)

#0049B8

Tritanopia (blue-blind)

#006378

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2544ba;
/* rgb */ color: rgb(37, 68, 186);
/* oklch */ color: oklch(44.5% 0.189 266.7);

Tailwind

colors: {
  custom: {
    50: '#7977d0',
    500: '#2544ba',
    950: '#000000',
  },
}

SCSS

$custom: #2544ba;
$custom-light: #7977d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2544ba",
  "rgb": {
    "r": 37,
    "g": 68,
    "b": 186
  },
  "hsl": {
    "h": 227.517,
    "s": 66.816,
    "l": 43.725
  },
  "oklch": {
    "l": 0.44472,
    "c": 0.1888,
    "h": 266.7
  },
  "luminance": 0.08073
}

Semantic roles & 50–950 ramp

primary

#2544BA

secondary

#CBB870

accent

#C63EEA

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2544BA

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

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