#243990#243990

#243990 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.5% C 0.146 H 268.3°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#243990
RGB	rgb(36, 57, 144)
HSL	hsl(228, 60%, 35%)
HSV	hsv(228, 75%, 56%)
CMYK	cmyk(75%, 60.4%, 0%, 43.5%)
CIE-LAB	lab(27.61, 23.80, -50.50)
CIE-LCH	lch(27.61, 55.83, 295.24°)
OKLab	oklab(38.51% -0.0044 -0.1457)
OKLCH	oklch(38.51% 0.146 268.3)
XYZ	xyz(7.2230, 5.3142, 27.0252)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243990 #907B24

analogous

#246F90 #243990 #452490

triadic

#243990 #902439 #399024

tetradic

#243990 #90246F #907B24 #249045

square

#243990 #90246F #907B24 #249045

split-complementary

#243990 #904524 #6F9024

monochromatic

#0C122E #18265F #243990 #304CC1 #5971D5

Accessibility & contrast

On white

10.18

#243990 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#243990 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243990

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243990	#FFFFFF	#000000	##FFFFFF
##243990	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)

#004693

Deuteranopia (green-blind)

#003C8E

Tritanopia (blue-blind)

#004F5E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #243990;
/* rgb */ color: rgb(36, 57, 144);
/* oklch */ color: oklch(38.5% 0.146 268.3);

Tailwind

colors: {
  custom: {
    50: '#6f6fb1',
    500: '#243990',
    950: '#000000',
  },
}

SCSS

$custom: #243990;
$custom-light: #6f6fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#243990",
  "rgb": {
    "r": 36,
    "g": 57,
    "b": 144
  },
  "hsl": {
    "h": 228.333,
    "s": 60,
    "l": 35.294
  },
  "oklch": {
    "l": 0.38505,
    "c": 0.14581,
    "h": 268.3
  },
  "luminance": 0.05315
}

Semantic roles & 50–950 ramp

primary

#243990

secondary

#BAA656

accent

#C445E3

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #243990

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

Preview Lab → · Contrast checker → · Palette generator →