#2443A5#2443A5

#2443A5 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.4% C 0.162 H 266.1°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#2443A5
RGB	rgb(36, 67, 165)
HSL	hsl(226, 64%, 39%)
HSV	hsv(226, 78%, 65%)
CMYK	cmyk(78.2%, 59.4%, 0%, 35.3%)
CIE-LAB	lab(32.04, 25.15, -56.05)
CIE-LCH	lch(32.04, 61.43, 294.16°)
OKLab	oklab(42.36% -0.0111 -0.1619)
OKLCH	oklch(42.36% 0.162 266.1)
XYZ	xyz(9.5239, 7.1049, 36.4595)
Luminance	0.0711 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2443A5 #A58624

analogous

#2484A5 #2443A5 #4524A5

triadic

#2443A5 #A52443 #43A524

tetradic

#2443A5 #A52484 #A58624 #24A545

square

#2443A5 #A52484 #A58624 #24A545

split-complementary

#2443A5 #A54524 #84A524

monochromatic

#0E1A41 #192F73 #2443A5 #345AD3 #6683DE

Accessibility & contrast

On white

8.67

#2443A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#2443A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2443A5

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2443A5	#FFFFFF	#000000	##FFFFFF
##2443A5	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A8

Deuteranopia (green-blind)

#0046A3

Tritanopia (blue-blind)

#005C6D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2443a5;
/* rgb */ color: rgb(36, 67, 165);
/* oklch */ color: oklch(42.4% 0.162 266.1);

Tailwind

colors: {
  custom: {
    50: '#7476c1',
    500: '#2443a5',
    950: '#000000',
  },
}

SCSS

$custom: #2443a5;
$custom-light: #7476c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2443a5",
  "rgb": {
    "r": 36,
    "g": 67,
    "b": 165
  },
  "hsl": {
    "h": 225.581,
    "s": 64.179,
    "l": 39.412
  },
  "oklch": {
    "l": 0.42357,
    "c": 0.16227,
    "h": 266.1
  },
  "luminance": 0.07106
}

Semantic roles & 50–950 ramp

primary

#2443A5

secondary

#C3AC62

accent

#BF41E7

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2443A5

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

Preview Lab → · Contrast checker → · Palette generator →