#243699#243699

#243699 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.7% C 0.162 H 269.2°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#243699
RGB	rgb(36, 54, 153)
HSL	hsl(231, 62%, 37%)
HSV	hsv(231, 76%, 60%)
CMYK	cmyk(76.5%, 64.7%, 0%, 40%)
CIE-LAB	lab(27.61, 29.27, -56.03)
CIE-LCH	lch(27.61, 63.21, 297.58°)
OKLab	oklab(38.74% -0.0024 -0.162)
OKLCH	oklch(38.74% 0.162 269.2)
XYZ	xyz(7.7945, 5.3125, 30.7454)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243699 #998724

analogous

#247199 #243699 #4C2499

triadic

#243699 #992436 #369924

tetradic

#243699 #992471 #998724 #24994C

square

#243699 #992471 #998724 #24994C

split-complementary

#243699 #994C24 #719924

monochromatic

#0D1336 #182567 #243699 #3047CB #5E71D9

Accessibility & contrast

On white

10.18

#243699 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#243699 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243699

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243699	#FFFFFF	#000000	##FFFFFF
##243699	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479C

Deuteranopia (green-blind)

#003C97

Tritanopia (blue-blind)

#005062

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #243699;
/* rgb */ color: rgb(36, 54, 153);
/* oklch */ color: oklch(38.7% 0.162 269.2);

Tailwind

colors: {
  custom: {
    50: '#726db8',
    500: '#243699',
    950: '#000000',
  },
}

SCSS

$custom: #243699;
$custom-light: #726db8;
$custom-dark: #000000;

JSON

{
  "hex": "#243699",
  "rgb": {
    "r": 36,
    "g": 54,
    "b": 153
  },
  "hsl": {
    "h": 230.769,
    "s": 61.905,
    "l": 37.059
  },
  "oklch": {
    "l": 0.38744,
    "c": 0.16201,
    "h": 269.2
  },
  "luminance": 0.05313
}

Semantic roles & 50–950 ramp

primary

#243699

secondary

#BEAF5B

accent

#CC43E5

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #243699

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

Preview Lab → · Contrast checker → · Palette generator →