#243F96#243F96

#243F96 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.3% C 0.147 H 266.6°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#243F96
RGB	rgb(36, 63, 150)
HSL	hsl(226, 61%, 36%)
HSV	hsv(226, 76%, 59%)
CMYK	cmyk(76%, 58%, 0%, 41.2%)
CIE-LAB	lab(29.74, 22.04, -50.71)
CIE-LCH	lch(29.74, 55.29, 293.49°)
OKLab	oklab(40.25% -0.0088 -0.1463)
OKLCH	oklch(40.25% 0.147 266.6)
XYZ	xyz(8.0082, 6.1312, 29.6096)
Luminance	0.0613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243F96 #967B24

analogous

#247896 #243F96 #422496

triadic

#243F96 #96243F #3F9624

tetradic

#243F96 #962478 #967B24 #249642

square

#243F96 #962478 #967B24 #249642

split-complementary

#243F96 #964224 #789624

monochromatic

#0C1633 #182A65 #243F96 #3054C7 #5C7AD8

Accessibility & contrast

On white

9.43

#243F96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#243F96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243F96

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243F96	#FFFFFF	#000000	##FFFFFF
##243F96	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C99

Deuteranopia (green-blind)

#004194

Tritanopia (blue-blind)

#005564

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #243f96;
/* rgb */ color: rgb(36, 63, 150);
/* oklch */ color: oklch(40.3% 0.147 266.6);

Tailwind

colors: {
  custom: {
    50: '#7073b6',
    500: '#243f96',
    950: '#000000',
  },
}

SCSS

$custom: #243f96;
$custom-light: #7073b6;
$custom-dark: #000000;

JSON

{
  "hex": "#243f96",
  "rgb": {
    "r": 36,
    "g": 63,
    "b": 150
  },
  "hsl": {
    "h": 225.789,
    "s": 61.29,
    "l": 36.471
  },
  "oklch": {
    "l": 0.40251,
    "c": 0.14654,
    "h": 266.6
  },
  "luminance": 0.06132
}

Semantic roles & 50–950 ramp

primary

#243F96

secondary

#BDA559

accent

#BE43E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #243F96

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

Preview Lab → · Contrast checker → · Palette generator →