#243278#243278

#243278 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.0% C 0.120 H 270.4°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#243278
RGB	rgb(36, 50, 120)
HSL	hsl(230, 54%, 31%)
HSV	hsv(230, 70%, 47%)
CMYK	cmyk(70%, 58.3%, 0%, 52.9%)
CIE-LAB	lab(23.71, 19.34, -41.83)
CIE-LCH	lch(23.71, 46.09, 294.81°)
OKLab	oklab(34.97% 0.0009 -0.1204)
OKLCH	oklch(34.97% 0.12 270.4)
XYZ	xyz(5.2572, 4.0118, 18.2630)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243278 #786A24

analogous

#245C78 #243278 #402478

triadic

#243278 #782432 #327824

tetradic

#243278 #78245C #786A24 #247840

square

#243278 #78245C #786A24 #247840

split-complementary

#243278 #784024 #5C7824

monochromatic

#080B1A #161E49 #243278 #3246A7 #4D62CA

Accessibility & contrast

On white

11.65

#243278 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#243278 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243278

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243278	#FFFFFF	#000000	##FFFFFF
##243278	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7A

Deuteranopia (green-blind)

#003577

Tritanopia (blue-blind)

#004350

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #243278;
/* rgb */ color: rgb(36, 50, 120);
/* oklch */ color: oklch(35.0% 0.120 270.4);

Tailwind

colors: {
  custom: {
    50: '#6a69a0',
    500: '#243278',
    950: '#000000',
  },
}

SCSS

$custom: #243278;
$custom-light: #6a69a0;
$custom-dark: #000000;

JSON

{
  "hex": "#243278",
  "rgb": {
    "r": 36,
    "g": 50,
    "b": 120
  },
  "hsl": {
    "h": 230,
    "s": 53.846,
    "l": 30.588
  },
  "oklch": {
    "l": 0.34972,
    "c": 0.12037,
    "h": 270.4
  },
  "luminance": 0.04012
}

Semantic roles & 50–950 ramp

primary

#243278

secondary

#AB9B4D

accent

#C54BDD

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #243278

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

Preview Lab → · Contrast checker → · Palette generator →