#2548A9#2548A9

#2548A9 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.8% C 0.161 H 265.2°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#2548A9
RGB	rgb(37, 72, 169)
HSL	hsl(224, 64%, 40%)
HSV	hsv(224, 78%, 66%)
CMYK	cmyk(78.1%, 57.4%, 0%, 33.7%)
CIE-LAB	lab(33.76, 23.44, -55.66)
CIE-LCH	lch(33.76, 60.39, 292.84°)
OKLab	oklab(43.75% -0.0136 -0.1606)
OKLCH	oklch(43.75% 0.161 265.2)
XYZ	xyz(10.2392, 7.8915, 38.5120)
Luminance	0.0789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2548A9 #A98625

analogous

#258AA9 #2548A9 #4425A9

triadic

#2548A9 #A92548 #48A925

tetradic

#2548A9 #A9258A #A98625 #25A944

square

#2548A9 #A9258A #A98625 #25A944

split-complementary

#2548A9 #A94425 #8AA925

monochromatic

#0F1D45 #1A3377 #2548A9 #3861D3 #6A89DE

Accessibility & contrast

On white

8.14

#2548A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#2548A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2548A9

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2548A9	#FFFFFF	#000000	##FFFFFF
##2548A9	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AC

Deuteranopia (green-blind)

#004AA7

Tritanopia (blue-blind)

#006071

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2548a9;
/* rgb */ color: rgb(37, 72, 169);
/* oklch */ color: oklch(43.8% 0.161 265.2);

Tailwind

colors: {
  custom: {
    50: '#747ac3',
    500: '#2548a9',
    950: '#000000',
  },
}

SCSS

$custom: #2548a9;
$custom-light: #747ac3;
$custom-dark: #000000;

JSON

{
  "hex": "#2548a9",
  "rgb": {
    "r": 37,
    "g": 72,
    "b": 169
  },
  "hsl": {
    "h": 224.091,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.43751,
    "c": 0.16122,
    "h": 265.2
  },
  "luminance": 0.07893
}

Semantic roles & 50–950 ramp

primary

#2548A9

secondary

#C4AB65

accent

#BB41E7

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2548A9

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

Preview Lab → · Contrast checker → · Palette generator →