#243B93#243B93

#243B93 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.2% C 0.147 H 267.7°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#243B93
RGB	rgb(36, 59, 147)
HSL	hsl(228, 61%, 36%)
HSV	hsv(228, 76%, 58%)
CMYK	cmyk(75.5%, 59.9%, 0%, 42.4%)
CIE-LAB	lab(28.40, 23.60, -51.05)
CIE-LCH	lch(28.40, 56.24, 294.81°)
OKLab	oklab(39.17% -0.0058 -0.1473)
OKLCH	oklch(39.17% 0.147 267.7)
XYZ	xyz(7.5562, 5.6088, 28.2825)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243B93 #937C24

analogous

#247293 #243B93 #452493

triadic

#243B93 #93243B #3B9324

tetradic

#243B93 #932472 #937C24 #249345

square

#243B93 #932472 #937C24 #249345

split-complementary

#243B93 #934524 #729324

monochromatic

#0C1431 #182762 #243B93 #304FC4 #5B74D7

Accessibility & contrast

On white

9.90

#243B93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#243B93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243B93

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243B93	#FFFFFF	#000000	##FFFFFF
##243B93	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004896

Deuteranopia (green-blind)

#003E91

Tritanopia (blue-blind)

#005161

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #243b93;
/* rgb */ color: rgb(36, 59, 147);
/* oklch */ color: oklch(39.2% 0.147 267.7);

Tailwind

colors: {
  custom: {
    50: '#7070b3',
    500: '#243b93',
    950: '#000000',
  },
}

SCSS

$custom: #243b93;
$custom-light: #7070b3;
$custom-dark: #000000;

JSON

{
  "hex": "#243b93",
  "rgb": {
    "r": 36,
    "g": 59,
    "b": 147
  },
  "hsl": {
    "h": 227.568,
    "s": 60.656,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39173,
    "c": 0.14745,
    "h": 267.7
  },
  "luminance": 0.0561
}

Semantic roles & 50–950 ramp

primary

#243B93

secondary

#BBA757

accent

#C344E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #243B93

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

Preview Lab → · Contrast checker → · Palette generator →