#243499#243499

#243499 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.4% C 0.164 H 269.6°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#243499
RGB	rgb(36, 52, 153)
HSL	hsl(232, 62%, 37%)
HSV	hsv(232, 76%, 60%)
CMYK	cmyk(76.5%, 66%, 0%, 40%)
CIE-LAB	lab(27.10, 30.59, -56.85)
CIE-LCH	lch(27.10, 64.56, 298.29°)
OKLab	oklab(38.37% -0.0011 -0.1644)
OKLCH	oklch(38.37% 0.164 269.6)
XYZ	xyz(7.7033, 5.1301, 30.7150)
Luminance	0.0513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243499 #998924

analogous

#246F99 #243499 #4F2499

triadic

#243499 #992434 #349924

tetradic

#243499 #99246F #998924 #24994F

square

#243499 #99246F #998924 #24994F

split-complementary

#243499 #994F24 #6F9924

monochromatic

#0D1236 #182367 #243499 #3045CB #5E6FD9

Accessibility & contrast

On white

10.36

#243499 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#243499 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243499

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243499	#FFFFFF	#000000	##FFFFFF
##243499	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469C

Deuteranopia (green-blind)

#003B97

Tritanopia (blue-blind)

#004F61

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #243499;
/* rgb */ color: rgb(36, 52, 153);
/* oklch */ color: oklch(38.4% 0.164 269.6);

Tailwind

colors: {
  custom: {
    50: '#726bb8',
    500: '#243499',
    950: '#000000',
  },
}

SCSS

$custom: #243499;
$custom-light: #726bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#243499",
  "rgb": {
    "r": 36,
    "g": 52,
    "b": 153
  },
  "hsl": {
    "h": 231.795,
    "s": 61.905,
    "l": 37.059
  },
  "oklch": {
    "l": 0.38373,
    "c": 0.16443,
    "h": 269.6
  },
  "luminance": 0.05131
}

Semantic roles & 50–950 ramp

primary

#243499

secondary

#BEB05B

accent

#CF43E5

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #243499

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

Preview Lab → · Contrast checker → · Palette generator →