#243C93#243C93

#243C93 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.4% C 0.146 H 267.4°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#243C93
RGB	rgb(36, 60, 147)
HSL	hsl(227, 61%, 36%)
HSV	hsv(227, 76%, 58%)
CMYK	cmyk(75.5%, 59.2%, 0%, 42.4%)
CIE-LAB	lab(28.68, 22.92, -50.61)
CIE-LCH	lch(28.68, 55.56, 294.36°)
OKLab	oklab(39.38% -0.0066 -0.146)
OKLCH	oklch(39.38% 0.146 267.4)
XYZ	xyz(7.6080, 5.7126, 28.2998)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243C93 #937B24

analogous

#247393 #243C93 #432493

triadic

#243C93 #93243C #3C9324

tetradic

#243C93 #932473 #937B24 #249343

square

#243C93 #932473 #937B24 #249343

split-complementary

#243C93 #934324 #739324

monochromatic

#0C1431 #182862 #243C93 #3050C4 #5B75D7

Accessibility & contrast

On white

9.80

#243C93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#243C93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243C93

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243C93	#FFFFFF	#000000	##FFFFFF
##243C93	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004996

Deuteranopia (green-blind)

#003F91

Tritanopia (blue-blind)

#005261

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #243c93;
/* rgb */ color: rgb(36, 60, 147);
/* oklch */ color: oklch(39.4% 0.146 267.4);

Tailwind

colors: {
  custom: {
    50: '#7071b3',
    500: '#243c93',
    950: '#000000',
  },
}

SCSS

$custom: #243c93;
$custom-light: #7071b3;
$custom-dark: #000000;

JSON

{
  "hex": "#243c93",
  "rgb": {
    "r": 36,
    "g": 60,
    "b": 147
  },
  "hsl": {
    "h": 227.027,
    "s": 60.656,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39376,
    "c": 0.14618,
    "h": 267.4
  },
  "luminance": 0.05713
}

Semantic roles & 50–950 ramp

primary

#243C93

secondary

#BBA657

accent

#C144E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #243C93

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

Preview Lab → · Contrast checker → · Palette generator →