#243178#243178

#243178 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.8% C 0.122 H 270.8°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#243178
RGB	rgb(36, 49, 120)
HSL	hsl(231, 54%, 31%)
HSV	hsv(231, 70%, 47%)
CMYK	cmyk(70%, 59.2%, 0%, 52.9%)
CIE-LAB	lab(23.43, 20.04, -42.29)
CIE-LCH	lch(23.43, 46.79, 295.35°)
OKLab	oklab(34.76% 0.0018 -0.1217)
OKLCH	oklch(34.76% 0.122 270.8)
XYZ	xyz(5.2149, 3.9273, 18.2489)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243178 #786B24

analogous

#245B78 #243178 #412478

triadic

#243178 #782431 #317824

tetradic

#243178 #78245B #786B24 #247841

square

#243178 #78245B #786B24 #247841

split-complementary

#243178 #784124 #5B7824

monochromatic

#080B1A #161E49 #243178 #3244A7 #4D60CA

Accessibility & contrast

On white

11.76

#243178 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#243178 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243178

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243178	#FFFFFF	#000000	##FFFFFF
##243178	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7A

Deuteranopia (green-blind)

#003477

Tritanopia (blue-blind)

#00424F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #243178;
/* rgb */ color: rgb(36, 49, 120);
/* oklch */ color: oklch(34.8% 0.122 270.8);

Tailwind

colors: {
  custom: {
    50: '#6a68a0',
    500: '#243178',
    950: '#000000',
  },
}

SCSS

$custom: #243178;
$custom-light: #6a68a0;
$custom-dark: #000000;

JSON

{
  "hex": "#243178",
  "rgb": {
    "r": 36,
    "g": 49,
    "b": 120
  },
  "hsl": {
    "h": 230.714,
    "s": 53.846,
    "l": 30.588
  },
  "oklch": {
    "l": 0.34762,
    "c": 0.12174,
    "h": 270.8
  },
  "luminance": 0.03928
}

Semantic roles & 50–950 ramp

primary

#243178

secondary

#AB9C4D

accent

#C74BDD

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #243178

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

Preview Lab → · Contrast checker → · Palette generator →