#2447B5#2447B5

#2447B5 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.5% C 0.179 H 265.7°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#2447B5
RGB	rgb(36, 71, 181)
HSL	hsl(226, 67%, 43%)
HSV	hsv(226, 80%, 71%)
CMYK	cmyk(80.1%, 60.8%, 0%, 29%)
CIE-LAB	lab(34.43, 28.62, -61.69)
CIE-LCH	lch(34.43, 68.01, 294.89°)
OKLab	oklab(44.55% -0.0133 -0.1784)
OKLCH	oklch(44.55% 0.179 265.7)
XYZ	xyz(11.3183, 8.2164, 44.6965)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2447B5 #B59224

analogous

#2490B5 #2447B5 #4924B5

triadic

#2447B5 #B52447 #47B524

tetradic

#2447B5 #B52490 #B59224 #24B549

square

#2447B5 #B52490 #B59224 #24B549

split-complementary

#2447B5 #B54924 #90B524

monochromatic

#101F4F #1A3382 #2447B5 #3E63D9 #718CE3

Accessibility & contrast

On white

7.94

#2447B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#2447B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2447B5

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2447B5	#FFFFFF	#000000	##FFFFFF
##2447B5	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B9

Deuteranopia (green-blind)

#004AB3

Tritanopia (blue-blind)

#006377

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2447b5;
/* rgb */ color: rgb(36, 71, 181);
/* oklch */ color: oklch(44.5% 0.179 265.7);

Tailwind

colors: {
  custom: {
    50: '#7779cc',
    500: '#2447b5',
    950: '#000000',
  },
}

SCSS

$custom: #2447b5;
$custom-light: #7779cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2447b5",
  "rgb": {
    "r": 36,
    "g": 71,
    "b": 181
  },
  "hsl": {
    "h": 225.517,
    "s": 66.82,
    "l": 42.549
  },
  "oklch": {
    "l": 0.4455,
    "c": 0.17889,
    "h": 265.7
  },
  "luminance": 0.08218
}

Semantic roles & 50–950 ramp

primary

#2447B5

secondary

#C9B36B

accent

#C03EEA

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2447B5

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

Preview Lab → · Contrast checker → · Palette generator →