#2448B5#2448B5

#2448B5 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.7% C 0.178 H 265.5°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#2448B5
RGB	rgb(36, 72, 181)
HSL	hsl(225, 67%, 43%)
HSV	hsv(225, 80%, 71%)
CMYK	cmyk(80.1%, 60.2%, 0%, 29%)
CIE-LAB	lab(34.69, 27.96, -61.27)
CIE-LCH	lch(34.69, 67.34, 294.53°)
OKLab	oklab(44.74% -0.0139 -0.1771)
OKLCH	oklch(44.74% 0.178 265.5)
XYZ	xyz(11.3825, 8.3447, 44.7179)
Luminance	0.0835 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2448B5 #B59124

analogous

#2491B5 #2448B5 #4824B5

triadic

#2448B5 #B52448 #48B524

tetradic

#2448B5 #B52491 #B59124 #24B548

square

#2448B5 #B52491 #B59124 #24B548

split-complementary

#2448B5 #B54824 #91B524

monochromatic

#101F4F #1A3482 #2448B5 #3E64D9 #718DE3

Accessibility & contrast

On white

7.87

#2448B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#2448B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2448B5

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2448B5	#FFFFFF	#000000	##FFFFFF
##2448B5	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B9

Deuteranopia (green-blind)

#004BB3

Tritanopia (blue-blind)

#006477

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2448b5;
/* rgb */ color: rgb(36, 72, 181);
/* oklch */ color: oklch(44.7% 0.178 265.5);

Tailwind

colors: {
  custom: {
    50: '#777acc',
    500: '#2448b5',
    950: '#000000',
  },
}

SCSS

$custom: #2448b5;
$custom-light: #777acc;
$custom-dark: #000000;

JSON

{
  "hex": "#2448b5",
  "rgb": {
    "r": 36,
    "g": 72,
    "b": 181
  },
  "hsl": {
    "h": 225.103,
    "s": 66.82,
    "l": 42.549
  },
  "oklch": {
    "l": 0.44744,
    "c": 0.17768,
    "h": 265.5
  },
  "luminance": 0.08346
}

Semantic roles & 50–950 ramp

primary

#2448B5

secondary

#C9B26B

accent

#BF3EEA

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2448B5

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

Preview Lab → · Contrast checker → · Palette generator →