#243A72#243A72

#243A72 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.3% C 0.100 H 265.5°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#243A72
RGB	rgb(36, 58, 114)
HSL	hsl(223, 52%, 29%)
HSV	hsv(223, 68%, 45%)
CMYK	cmyk(68.4%, 49.1%, 0%, 55.3%)
CIE-LAB	lab(25.61, 11.39, -34.95)
CIE-LCH	lch(25.61, 36.76, 288.05°)
OKLab	oklab(36.27% -0.0078 -0.1)
OKLCH	oklch(36.27% 0.1 265.5)
XYZ	xyz(5.2768, 4.6156, 16.5291)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243A72 #725C24

analogous

#246172 #243A72 #352472

triadic

#243A72 #72243A #3A7224

tetradic

#243A72 #722461 #725C24 #247235

square

#243A72 #722461 #725C24 #247235

split-complementary

#243A72 #723524 #617224

monochromatic

#070C17 #152243 #243A72 #3352A1 #4A6DC6

Accessibility & contrast

On white

10.92

#243A72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#243A72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243A72

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243A72	#FFFFFF	#000000	##FFFFFF
##243A72	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4074

Deuteranopia (green-blind)

#0E3971

Tritanopia (blue-blind)

#004750

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #243a72;
/* rgb */ color: rgb(36, 58, 114);
/* oklch */ color: oklch(36.3% 0.100 265.5);

Tailwind

colors: {
  custom: {
    50: '#686f9b',
    500: '#243a72',
    950: '#000000',
  },
}

SCSS

$custom: #243a72;
$custom-light: #686f9b;
$custom-dark: #000000;

JSON

{
  "hex": "#243a72",
  "rgb": {
    "r": 36,
    "g": 58,
    "b": 114
  },
  "hsl": {
    "h": 223.077,
    "s": 52,
    "l": 29.412
  },
  "oklch": {
    "l": 0.36269,
    "c": 0.1003,
    "h": 265.5
  },
  "luminance": 0.04616
}

Semantic roles & 50–950 ramp

primary

#243A72

secondary

#A58C4D

accent

#B34CDB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #243A72

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

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