#2548BA#2548BA

#2548BA is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.2% C 0.184 H 265.9°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#2548BA
RGB	rgb(37, 72, 186)
HSL	hsl(226, 67%, 44%)
HSV	hsv(226, 80%, 73%)
CMYK	cmyk(80.1%, 61.3%, 0%, 27.1%)
CIE-LAB	lab(35.15, 29.96, -63.47)
CIE-LCH	lch(35.15, 70.18, 295.27°)
OKLab	oklab(45.22% -0.013 -0.1836)
OKLCH	oklch(45.22% 0.184 265.9)
XYZ	xyz(11.9401, 8.5718, 47.4701)
Luminance	0.0857 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2548BA #BA9725

analogous

#2592BA #2548BA #4C25BA

triadic

#2548BA #BA2548 #48BA25

tetradic

#2548BA #BA2592 #BA9725 #25BA4C

square

#2548BA #BA2592 #BA9725 #25BA4C

split-complementary

#2548BA #BA4C25 #92BA25

monochromatic

#112054 #1B3487 #2548BA #4366DA #7690E4

Accessibility & contrast

On white

7.74

#2548BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#2548BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2548BA

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2548BA	#FFFFFF	#000000	##FFFFFF
##2548BA	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABE

Deuteranopia (green-blind)

#004CB8

Tritanopia (blue-blind)

#00657A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2548ba;
/* rgb */ color: rgb(37, 72, 186);
/* oklch */ color: oklch(45.2% 0.184 265.9);

Tailwind

colors: {
  custom: {
    50: '#797ad0',
    500: '#2548ba',
    950: '#000000',
  },
}

SCSS

$custom: #2548ba;
$custom-light: #797ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#2548ba",
  "rgb": {
    "r": 37,
    "g": 72,
    "b": 186
  },
  "hsl": {
    "h": 225.906,
    "s": 66.816,
    "l": 43.725
  },
  "oklch": {
    "l": 0.45224,
    "c": 0.18404,
    "h": 265.9
  },
  "luminance": 0.08573
}

Semantic roles & 50–950 ramp

primary

#2548BA

secondary

#CBB670

accent

#C13EEA

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2548BA

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

Preview Lab → · Contrast checker → · Palette generator →