#2447A8#2447A8

#2447A8 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.4% C 0.161 H 265.1°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#2447A8
RGB	rgb(36, 71, 168)
HSL	hsl(224, 65%, 40%)
HSV	hsv(224, 79%, 66%)
CMYK	cmyk(78.6%, 57.7%, 0%, 34.1%)
CIE-LAB	lab(33.37, 23.62, -55.69)
CIE-LCH	lch(33.37, 60.49, 292.98°)
OKLab	oklab(43.42% -0.0137 -0.1608)
OKLCH	oklch(43.42% 0.161 265.1)
XYZ	xyz(10.0462, 7.7075, 37.9964)
Luminance	0.0771 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2447A8 #A88524

analogous

#2489A8 #2447A8 #4324A8

triadic

#2447A8 #A82447 #47A824

tetradic

#2447A8 #A82489 #A88524 #24A843

square

#2447A8 #A82489 #A88524 #24A843

split-complementary

#2447A8 #A84324 #89A824

monochromatic

#0E1C43 #193276 #2447A8 #355FD4 #6887DF

Accessibility & contrast

On white

8.26

#2447A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#2447A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2447A8

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2447A8	#FFFFFF	#000000	##FFFFFF
##2447A8	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AB

Deuteranopia (green-blind)

#0049A6

Tritanopia (blue-blind)

#005F70

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2447a8;
/* rgb */ color: rgb(36, 71, 168);
/* oklch */ color: oklch(43.4% 0.161 265.1);

Tailwind

colors: {
  custom: {
    50: '#7479c3',
    500: '#2447a8',
    950: '#000000',
  },
}

SCSS

$custom: #2447a8;
$custom-light: #7479c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2447a8",
  "rgb": {
    "r": 36,
    "g": 71,
    "b": 168
  },
  "hsl": {
    "h": 224.091,
    "s": 64.706,
    "l": 40
  },
  "oklch": {
    "l": 0.43423,
    "c": 0.16137,
    "h": 265.1
  },
  "luminance": 0.07709
}

Semantic roles & 50–950 ramp

primary

#2447A8

secondary

#C4AB63

accent

#BB40E8

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2447A8

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

Preview Lab → · Contrast checker → · Palette generator →