#2447A3#2447A3

#2447A3 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.0% C 0.154 H 264.8°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#2447A3
RGB	rgb(36, 71, 163)
HSL	hsl(223, 64%, 39%)
HSV	hsv(223, 78%, 64%)
CMYK	cmyk(77.9%, 56.4%, 0%, 36.1%)
CIE-LAB	lab(32.97, 21.68, -53.33)
CIE-LCH	lch(32.97, 57.57, 292.12°)
OKLab	oklab(43% -0.014 -0.1539)
OKLCH	oklch(43% 0.154 264.8)
XYZ	xyz(9.5893, 7.5248, 35.5903)
Luminance	0.0753 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2447A3 #A38024

analogous

#2487A3 #2447A3 #4124A3

triadic

#2447A3 #A32447 #47A324

tetradic

#2447A3 #A32487 #A38024 #24A341

square

#2447A3 #A32487 #A38024 #24A341

split-complementary

#2447A3 #A34124 #87A324

monochromatic

#0E1B3F #193171 #2447A3 #325ED2 #6586DD

Accessibility & contrast

On white

8.38

#2447A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#2447A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2447A3

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2447A3	#FFFFFF	#000000	##FFFFFF
##2447A3	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A6

Deuteranopia (green-blind)

#0048A1

Tritanopia (blue-blind)

#005E6E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2447a3;
/* rgb */ color: rgb(36, 71, 163);
/* oklch */ color: oklch(43.0% 0.154 264.8);

Tailwind

colors: {
  custom: {
    50: '#7379bf',
    500: '#2447a3',
    950: '#000000',
  },
}

SCSS

$custom: #2447a3;
$custom-light: #7379bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2447a3",
  "rgb": {
    "r": 36,
    "g": 71,
    "b": 163
  },
  "hsl": {
    "h": 223.465,
    "s": 63.819,
    "l": 39.02
  },
  "oklch": {
    "l": 0.43004,
    "c": 0.15449,
    "h": 264.8
  },
  "luminance": 0.07526
}

Semantic roles & 50–950 ramp

primary

#2447A3

secondary

#C2A760

accent

#B941E7

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2447A3

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

Preview Lab → · Contrast checker → · Palette generator →