#243C96#243C96

#243C96 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.6% C 0.150 H 267.5°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#243C96
RGB	rgb(36, 60, 150)
HSL	hsl(227, 61%, 36%)
HSV	hsv(227, 76%, 59%)
CMYK	cmyk(76%, 60%, 0%, 41.2%)
CIE-LAB	lab(28.92, 24.08, -52.04)
CIE-LCH	lch(28.92, 57.34, 294.83°)
OKLab	oklab(39.64% -0.0065 -0.1502)
OKLCH	oklch(39.64% 0.15 267.5)
XYZ	xyz(7.8465, 5.8079, 29.5558)
Luminance	0.0581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243C96 #967E24

analogous

#247596 #243C96 #452496

triadic

#243C96 #96243C #3C9624

tetradic

#243C96 #962475 #967E24 #249645

square

#243C96 #962475 #967E24 #249645

split-complementary

#243C96 #964524 #759624

monochromatic

#0C1533 #182865 #243C96 #3050C7 #5C76D8

Accessibility & contrast

On white

9.71

#243C96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#243C96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243C96

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243C96	#FFFFFF	#000000	##FFFFFF
##243C96	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A99

Deuteranopia (green-blind)

#003F94

Tritanopia (blue-blind)

#005363

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #243c96;
/* rgb */ color: rgb(36, 60, 150);
/* oklch */ color: oklch(39.6% 0.150 267.5);

Tailwind

colors: {
  custom: {
    50: '#7071b6',
    500: '#243c96',
    950: '#000000',
  },
}

SCSS

$custom: #243c96;
$custom-light: #7071b6;
$custom-dark: #000000;

JSON

{
  "hex": "#243c96",
  "rgb": {
    "r": 36,
    "g": 60,
    "b": 150
  },
  "hsl": {
    "h": 227.368,
    "s": 61.29,
    "l": 36.471
  },
  "oklch": {
    "l": 0.39638,
    "c": 0.15038,
    "h": 267.5
  },
  "luminance": 0.05809
}

Semantic roles & 50–950 ramp

primary

#243C96

secondary

#BDA859

accent

#C343E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #243C96

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

Preview Lab → · Contrast checker → · Palette generator →