#2443AA#2443AA

#2443AA is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.8% C 0.169 H 266.3°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#2443AA
RGB	rgb(36, 67, 170)
HSL	hsl(226, 65%, 40%)
HSV	hsv(226, 79%, 67%)
CMYK	cmyk(78.8%, 60.6%, 0%, 33.3%)
CIE-LAB	lab(32.46, 27.07, -58.37)
CIE-LCH	lch(32.46, 64.34, 294.88°)
OKLab	oklab(42.8% -0.0109 -0.1687)
OKLCH	oklch(42.8% 0.169 266.3)
XYZ	xyz(9.9879, 7.2905, 38.9032)
Luminance	0.0729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2443AA #AA8B24

analogous

#2486AA #2443AA #4824AA

triadic

#2443AA #AA2443 #43AA24

tetradic

#2443AA #AA2486 #AA8B24 #24AA48

square

#2443AA #AA2486 #AA8B24 #24AA48

split-complementary

#2443AA #AA4824 #86AA24

monochromatic

#0F1B45 #192F77 #2443AA #375BD5 #6984DF

Accessibility & contrast

On white

8.54

#2443AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#2443AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2443AA

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2443AA	#FFFFFF	#000000	##FFFFFF
##2443AA	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AD

Deuteranopia (green-blind)

#0046A8

Tritanopia (blue-blind)

#005D70

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2443aa;
/* rgb */ color: rgb(36, 67, 170);
/* oklch */ color: oklch(42.8% 0.169 266.3);

Tailwind

colors: {
  custom: {
    50: '#7576c4',
    500: '#2443aa',
    950: '#000000',
  },
}

SCSS

$custom: #2443aa;
$custom-light: #7576c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2443aa",
  "rgb": {
    "r": 36,
    "g": 67,
    "b": 170
  },
  "hsl": {
    "h": 226.119,
    "s": 65.049,
    "l": 40.392
  },
  "oklch": {
    "l": 0.42796,
    "c": 0.16906,
    "h": 266.3
  },
  "luminance": 0.07292
}

Semantic roles & 50–950 ramp

primary

#2443AA

secondary

#C5AF65

accent

#C140E8

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2443AA

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

Preview Lab → · Contrast checker → · Palette generator →