#243799#243799

#243799 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.9% C 0.161 H 268.9°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#243799
RGB	rgb(36, 55, 153)
HSL	hsl(230, 62%, 37%)
HSV	hsv(230, 76%, 60%)
CMYK	cmyk(76.5%, 64.1%, 0%, 40%)
CIE-LAB	lab(27.86, 28.60, -55.61)
CIE-LCH	lch(27.86, 62.53, 297.22°)
OKLab	oklab(38.93% -0.003 -0.1608)
OKLCH	oklch(38.93% 0.161 268.9)
XYZ	xyz(7.8415, 5.4065, 30.7611)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243799 #998624

analogous

#247299 #243799 #4B2499

triadic

#243799 #992437 #379924

tetradic

#243799 #992472 #998624 #24994B

square

#243799 #992472 #998624 #24994B

split-complementary

#243799 #994B24 #729924

monochromatic

#0D1336 #182567 #243799 #3049CB #5E72D9

Accessibility & contrast

On white

10.09

#243799 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#243799 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243799

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243799	#FFFFFF	#000000	##FFFFFF
##243799	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479C

Deuteranopia (green-blind)

#003C97

Tritanopia (blue-blind)

#005062

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #243799;
/* rgb */ color: rgb(36, 55, 153);
/* oklch */ color: oklch(38.9% 0.161 268.9);

Tailwind

colors: {
  custom: {
    50: '#726db8',
    500: '#243799',
    950: '#000000',
  },
}

SCSS

$custom: #243799;
$custom-light: #726db8;
$custom-dark: #000000;

JSON

{
  "hex": "#243799",
  "rgb": {
    "r": 36,
    "g": 55,
    "b": 153
  },
  "hsl": {
    "h": 230.256,
    "s": 61.905,
    "l": 37.059
  },
  "oklch": {
    "l": 0.38932,
    "c": 0.16079,
    "h": 268.9
  },
  "luminance": 0.05407
}

Semantic roles & 50–950 ramp

primary

#243799

secondary

#BEAE5B

accent

#CB43E5

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #243799

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

Preview Lab → · Contrast checker → · Palette generator →