#243F93#243F93

#243F93 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.0% C 0.142 H 266.4°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#243F93
RGB	rgb(36, 63, 147)
HSL	hsl(225, 61%, 36%)
HSV	hsv(225, 76%, 58%)
CMYK	cmyk(75.5%, 57.1%, 0%, 42.4%)
CIE-LAB	lab(29.50, 20.87, -49.26)
CIE-LCH	lch(29.50, 53.50, 292.96°)
OKLab	oklab(40% -0.0089 -0.142)
OKLCH	oklch(40% 0.142 266.4)
XYZ	xyz(7.7697, 6.0358, 28.3537)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243F93 #937824

analogous

#247693 #243F93 #402493

triadic

#243F93 #93243F #3F9324

tetradic

#243F93 #932476 #937824 #249340

square

#243F93 #932476 #937824 #249340

split-complementary

#243F93 #934024 #769324

monochromatic

#0C1531 #182A62 #243F93 #3054C4 #5B79D7

Accessibility & contrast

On white

9.51

#243F93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#243F93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243F93

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243F93	#FFFFFF	#000000	##FFFFFF
##243F93	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B96

Deuteranopia (green-blind)

#004191

Tritanopia (blue-blind)

#005462

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #243f93;
/* rgb */ color: rgb(36, 63, 147);
/* oklch */ color: oklch(40.0% 0.142 266.4);

Tailwind

colors: {
  custom: {
    50: '#6f73b3',
    500: '#243f93',
    950: '#000000',
  },
}

SCSS

$custom: #243f93;
$custom-light: #6f73b3;
$custom-dark: #000000;

JSON

{
  "hex": "#243f93",
  "rgb": {
    "r": 36,
    "g": 63,
    "b": 147
  },
  "hsl": {
    "h": 225.405,
    "s": 60.656,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39997,
    "c": 0.14231,
    "h": 266.4
  },
  "luminance": 0.06037
}

Semantic roles & 50–950 ramp

primary

#243F93

secondary

#BBA357

accent

#BD44E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #243F93

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

Preview Lab → · Contrast checker → · Palette generator →