#243099#243099

#243099 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.7% C 0.169 H 270.5°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#243099
RGB	rgb(36, 48, 153)
HSL	hsl(234, 62%, 37%)
HSV	hsv(234, 76%, 60%)
CMYK	cmyk(76.5%, 68.6%, 0%, 40%)
CIE-LAB	lab(26.12, 33.20, -58.46)
CIE-LCH	lch(26.12, 67.23, 299.60°)
OKLab	oklab(37.66% 0.0013 -0.1692)
OKLCH	oklch(37.66% 0.169 270.5)
XYZ	xyz(7.5323, 4.7881, 30.6580)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243099 #998D24

analogous

#246B99 #243099 #532499

triadic

#243099 #992430 #309924

tetradic

#243099 #99246B #998D24 #249953

square

#243099 #99246B #998D24 #249953

split-complementary

#243099 #995324 #6B9924

monochromatic

#0D1136 #182067 #243099 #3040CB #5E6BD9

Accessibility & contrast

On white

10.73

#243099 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#243099 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243099

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243099	#FFFFFF	#000000	##FFFFFF
##243099	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439C

Deuteranopia (green-blind)

#003897

Tritanopia (blue-blind)

#004C60

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #243099;
/* rgb */ color: rgb(36, 48, 153);
/* oklch */ color: oklch(37.7% 0.169 270.5);

Tailwind

colors: {
  custom: {
    50: '#7268b8',
    500: '#243099',
    950: '#000000',
  },
}

SCSS

$custom: #243099;
$custom-light: #7268b8;
$custom-dark: #000000;

JSON

{
  "hex": "#243099",
  "rgb": {
    "r": 36,
    "g": 48,
    "b": 153
  },
  "hsl": {
    "h": 233.846,
    "s": 61.905,
    "l": 37.059
  },
  "oklch": {
    "l": 0.37658,
    "c": 0.16917,
    "h": 270.5
  },
  "luminance": 0.04789
}

Semantic roles & 50–950 ramp

primary

#243099

secondary

#BEB45B

accent

#D443E5

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #243099

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

Preview Lab → · Contrast checker → · Palette generator →