#2443A3#2443A3

#2443A3 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.2% C 0.160 H 266.0°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#2443A3
RGB	rgb(36, 67, 163)
HSL	hsl(225, 64%, 39%)
HSV	hsv(225, 78%, 64%)
CMYK	cmyk(77.9%, 58.9%, 0%, 36.1%)
CIE-LAB	lab(31.88, 24.37, -55.11)
CIE-LCH	lch(31.88, 60.26, 293.86°)
OKLab	oklab(42.18% -0.0111 -0.1591)
OKLCH	oklch(42.18% 0.16 266)
XYZ	xyz(9.3432, 7.0327, 35.5082)
Luminance	0.0703 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2443A3 #A38424

analogous

#2483A3 #2443A3 #4524A3

triadic

#2443A3 #A32443 #43A324

tetradic

#2443A3 #A32483 #A38424 #24A345

square

#2443A3 #A32483 #A38424 #24A345

split-complementary

#2443A3 #A34524 #83A324

monochromatic

#0E1A3F #192E71 #2443A3 #3259D2 #6582DD

Accessibility & contrast

On white

8.73

#2443A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#2443A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2443A3

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2443A3	#FFFFFF	#000000	##FFFFFF
##2443A3	1.00	8.73	2.41	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A6

Deuteranopia (green-blind)

#0045A1

Tritanopia (blue-blind)

#005B6C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2443a3;
/* rgb */ color: rgb(36, 67, 163);
/* oklch */ color: oklch(42.2% 0.160 266.0);

Tailwind

colors: {
  custom: {
    50: '#7376bf',
    500: '#2443a3',
    950: '#000000',
  },
}

SCSS

$custom: #2443a3;
$custom-light: #7376bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2443a3",
  "rgb": {
    "r": 36,
    "g": 67,
    "b": 163
  },
  "hsl": {
    "h": 225.354,
    "s": 63.819,
    "l": 39.02
  },
  "oklch": {
    "l": 0.42184,
    "c": 0.15953,
    "h": 266
  },
  "luminance": 0.07034
}

Semantic roles & 50–950 ramp

primary

#2443A3

secondary

#C2AA60

accent

#BE41E7

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2443A3

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

Preview Lab → · Contrast checker → · Palette generator →