#2443AC#2443AC

#2443AC is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.0% C 0.172 H 266.4°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#2443AC
RGB	rgb(36, 67, 172)
HSL	hsl(226, 65%, 41%)
HSV	hsv(226, 79%, 67%)
CMYK	cmyk(79.1%, 61%, 0%, 32.5%)
CIE-LAB	lab(32.63, 27.84, -59.29)
CIE-LCH	lch(32.63, 65.50, 295.15°)
OKLab	oklab(42.97% -0.0109 -0.1714)
OKLCH	oklch(42.97% 0.172 266.4)
XYZ	xyz(10.1785, 7.3668, 39.9072)
Luminance	0.0737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2443AC #AC8D24

analogous

#2487AC #2443AC #4924AC

triadic

#2443AC #AC2443 #43AC24

tetradic

#2443AC #AC2487 #AC8D24 #24AC49

square

#2443AC #AC2487 #AC8D24 #24AC49

split-complementary

#2443AC #AC4924 #87AC24

monochromatic

#0F1C47 #192F79 #2443AC #385CD5 #6A85E0

Accessibility & contrast

On white

8.49

#2443AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2443AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2443AC

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2443AC	#FFFFFF	#000000	##FFFFFF
##2443AC	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AF

Deuteranopia (green-blind)

#0047AA

Tritanopia (blue-blind)

#005E71

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2443ac;
/* rgb */ color: rgb(36, 67, 172);
/* oklch */ color: oklch(43.0% 0.172 266.4);

Tailwind

colors: {
  custom: {
    50: '#7576c6',
    500: '#2443ac',
    950: '#000000',
  },
}

SCSS

$custom: #2443ac;
$custom-light: #7576c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2443ac",
  "rgb": {
    "r": 36,
    "g": 67,
    "b": 172
  },
  "hsl": {
    "h": 226.324,
    "s": 65.385,
    "l": 40.784
  },
  "oklch": {
    "l": 0.42973,
    "c": 0.17175,
    "h": 266.4
  },
  "luminance": 0.07368
}

Semantic roles & 50–950 ramp

primary

#2443AC

secondary

#C6B066

accent

#C23FE8

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2443AC

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

Preview Lab → · Contrast checker → · Palette generator →