#243C92#243C92

#243C92 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.3% C 0.145 H 267.4°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#243C92
RGB	rgb(36, 60, 146)
HSL	hsl(227, 60%, 36%)
HSV	hsv(227, 75%, 57%)
CMYK	cmyk(75.3%, 58.9%, 0%, 42.7%)
CIE-LAB	lab(28.59, 22.53, -50.13)
CIE-LCH	lch(28.59, 54.96, 294.20°)
OKLab	oklab(39.29% -0.0066 -0.1446)
OKLCH	oklch(39.29% 0.145 267.4)
XYZ	xyz(7.5299, 5.6813, 27.8883)
Luminance	0.0568 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243C92 #927A24

analogous

#247392 #243C92 #432492

triadic

#243C92 #92243C #3C9224

tetradic

#243C92 #922473 #927A24 #249243

square

#243C92 #922473 #927A24 #249243

split-complementary

#243C92 #924324 #739224

monochromatic

#0C1430 #182861 #243C92 #3050C3 #5A75D6

Accessibility & contrast

On white

9.83

#243C92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#243C92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243C92

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243C92	#FFFFFF	#000000	##FFFFFF
##243C92	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004995

Deuteranopia (green-blind)

#003F90

Tritanopia (blue-blind)

#005161

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #243c92;
/* rgb */ color: rgb(36, 60, 146);
/* oklch */ color: oklch(39.3% 0.145 267.4);

Tailwind

colors: {
  custom: {
    50: '#6f71b3',
    500: '#243c92',
    950: '#000000',
  },
}

SCSS

$custom: #243c92;
$custom-light: #6f71b3;
$custom-dark: #000000;

JSON

{
  "hex": "#243c92",
  "rgb": {
    "r": 36,
    "g": 60,
    "b": 146
  },
  "hsl": {
    "h": 226.909,
    "s": 60.44,
    "l": 35.686
  },
  "oklch": {
    "l": 0.3929,
    "c": 0.14476,
    "h": 267.4
  },
  "luminance": 0.05682
}

Semantic roles & 50–950 ramp

primary

#243C92

secondary

#BBA557

accent

#C144E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #243C92

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

Preview Lab → · Contrast checker → · Palette generator →