#243F94#243F94

#243F94 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.1% C 0.144 H 266.5°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#243F94
RGB	rgb(36, 63, 148)
HSL	hsl(226, 61%, 36%)
HSV	hsv(226, 76%, 58%)
CMYK	cmyk(75.7%, 57.4%, 0%, 42%)
CIE-LAB	lab(29.58, 21.26, -49.75)
CIE-LCH	lch(29.58, 54.10, 293.14°)
OKLab	oklab(40.08% -0.0088 -0.1434)
OKLCH	oklch(40.08% 0.144 266.5)
XYZ	xyz(7.8485, 6.0674, 28.7687)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243F94 #947924

analogous

#247794 #243F94 #412494

triadic

#243F94 #94243F #3F9424

tetradic

#243F94 #942477 #947924 #249441

square

#243F94 #942477 #947924 #249441

split-complementary

#243F94 #944124 #779424

monochromatic

#0C1532 #182A63 #243F94 #3054C5 #5B79D7

Accessibility & contrast

On white

9.49

#243F94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#243F94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243F94

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243F94	#FFFFFF	#000000	##FFFFFF
##243F94	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B97

Deuteranopia (green-blind)

#004192

Tritanopia (blue-blind)

#005463

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #243f94;
/* rgb */ color: rgb(36, 63, 148);
/* oklch */ color: oklch(40.1% 0.144 266.5);

Tailwind

colors: {
  custom: {
    50: '#7073b4',
    500: '#243f94',
    950: '#000000',
  },
}

SCSS

$custom: #243f94;
$custom-light: #7073b4;
$custom-dark: #000000;

JSON

{
  "hex": "#243f94",
  "rgb": {
    "r": 36,
    "g": 63,
    "b": 148
  },
  "hsl": {
    "h": 225.536,
    "s": 60.87,
    "l": 36.078
  },
  "oklch": {
    "l": 0.40081,
    "c": 0.14372,
    "h": 266.5
  },
  "luminance": 0.06068
}

Semantic roles & 50–950 ramp

primary

#243F94

secondary

#BCA458

accent

#BD44E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #243F94

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

Preview Lab → · Contrast checker → · Palette generator →