#243899#243899

#243899 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.1% C 0.160 H 268.7°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#243899
RGB	rgb(36, 56, 153)
HSL	hsl(230, 62%, 37%)
HSV	hsv(230, 76%, 60%)
CMYK	cmyk(76.5%, 63.4%, 0%, 40%)
CIE-LAB	lab(28.12, 27.93, -55.19)
CIE-LCH	lch(28.12, 61.85, 296.85°)
OKLab	oklab(39.12% -0.0037 -0.1595)
OKLCH	oklch(39.12% 0.16 268.7)
XYZ	xyz(7.8895, 5.5025, 30.7771)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243899 #998524

analogous

#247299 #243899 #4B2499

triadic

#243899 #992438 #389924

tetradic

#243899 #992472 #998524 #24994B

square

#243899 #992472 #998524 #24994B

split-complementary

#243899 #994B24 #729924

monochromatic

#0D1436 #182667 #243899 #304ACB #5E73D9

Accessibility & contrast

On white

10.00

#243899 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#243899 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243899

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243899	#FFFFFF	#000000	##FFFFFF
##243899	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489C

Deuteranopia (green-blind)

#003D97

Tritanopia (blue-blind)

#005163

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #243899;
/* rgb */ color: rgb(36, 56, 153);
/* oklch */ color: oklch(39.1% 0.160 268.7);

Tailwind

colors: {
  custom: {
    50: '#716eb8',
    500: '#243899',
    950: '#000000',
  },
}

SCSS

$custom: #243899;
$custom-light: #716eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#243899",
  "rgb": {
    "r": 36,
    "g": 56,
    "b": 153
  },
  "hsl": {
    "h": 229.744,
    "s": 61.905,
    "l": 37.059
  },
  "oklch": {
    "l": 0.39123,
    "c": 0.15955,
    "h": 268.7
  },
  "luminance": 0.05503
}

Semantic roles & 50–950 ramp

primary

#243899

secondary

#BEAD5B

accent

#C943E5

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #243899

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

Preview Lab → · Contrast checker → · Palette generator →