#243299#243299

#243299 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.0% C 0.167 H 270.0°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#243299
RGB	rgb(36, 50, 153)
HSL	hsl(233, 62%, 37%)
HSV	hsv(233, 76%, 60%)
CMYK	cmyk(76.5%, 67.3%, 0%, 40%)
CIE-LAB	lab(26.61, 31.91, -57.67)
CIE-LCH	lch(26.61, 65.90, 298.96°)
OKLab	oklab(38.01% 0.0001 -0.1668)
OKLCH	oklch(38.01% 0.167 270)
XYZ	xyz(7.6160, 4.9554, 30.6859)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243299 #998B24

analogous

#246C99 #243299 #512499

triadic

#243299 #992432 #329924

tetradic

#243299 #99246C #998B24 #249951

square

#243299 #99246C #998B24 #249951

split-complementary

#243299 #995124 #6C9924

monochromatic

#0D1236 #182267 #243299 #3042CB #5E6DD9

Accessibility & contrast

On white

10.55

#243299 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#243299 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243299

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243299	#FFFFFF	#000000	##FFFFFF
##243299	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459C

Deuteranopia (green-blind)

#003997

Tritanopia (blue-blind)

#004E61

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #243299;
/* rgb */ color: rgb(36, 50, 153);
/* oklch */ color: oklch(38.0% 0.167 270.0);

Tailwind

colors: {
  custom: {
    50: '#726ab8',
    500: '#243299',
    950: '#000000',
  },
}

SCSS

$custom: #243299;
$custom-light: #726ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#243299",
  "rgb": {
    "r": 36,
    "g": 50,
    "b": 153
  },
  "hsl": {
    "h": 232.821,
    "s": 61.905,
    "l": 37.059
  },
  "oklch": {
    "l": 0.38011,
    "c": 0.16682,
    "h": 270
  },
  "luminance": 0.04956
}

Semantic roles & 50–950 ramp

primary

#243299

secondary

#BEB25B

accent

#D243E5

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #243299

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

Preview Lab → · Contrast checker → · Palette generator →