#243E73#243E73

#243E73 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.3% C 0.096 H 262.9°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#243E73
RGB	rgb(36, 62, 115)
HSL	hsl(220, 52%, 30%)
HSV	hsv(220, 69%, 45%)
CMYK	cmyk(68.7%, 46.1%, 0%, 54.9%)
CIE-LAB	lab(26.90, 9.00, -33.52)
CIE-LCH	lch(26.90, 34.71, 285.03°)
OKLab	oklab(37.28% -0.0119 -0.0957)
OKLCH	oklch(37.28% 0.096 262.9)
XYZ	xyz(5.5436, 5.0576, 16.9004)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E73 #735924

analogous

#246673 #243E73 #312473

triadic

#243E73 #73243E #3E7324

tetradic

#243E73 #732466 #735924 #247331

square

#243E73 #732466 #735924 #247331

split-complementary

#243E73 #733124 #667324

monochromatic

#070D17 #152544 #243E73 #3357A2 #4B74C7

Accessibility & contrast

On white

10.44

#243E73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#243E73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E73

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E73	#FFFFFF	#000000	##FFFFFF
##243E73	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254375

Deuteranopia (green-blind)

#183C72

Tritanopia (blue-blind)

#004A53

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #243e73;
/* rgb */ color: rgb(36, 62, 115);
/* oklch */ color: oklch(37.3% 0.096 262.9);

Tailwind

colors: {
  custom: {
    50: '#68729c',
    500: '#243e73',
    950: '#000000',
  },
}

SCSS

$custom: #243e73;
$custom-light: #68729c;
$custom-dark: #000000;

JSON

{
  "hex": "#243e73",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 115
  },
  "hsl": {
    "h": 220.253,
    "s": 52.318,
    "l": 29.608
  },
  "oklch": {
    "l": 0.37279,
    "c": 0.09648,
    "h": 262.9
  },
  "luminance": 0.05058
}

Semantic roles & 50–950 ramp

primary

#243E73

secondary

#A6894D

accent

#AC4CDC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #243E73

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

Preview Lab → · Contrast checker → · Palette generator →