#243E6C#243E6C

#243E6C is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.8% C 0.086 H 261.0°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#243E6C
RGB	rgb(36, 62, 108)
HSL	hsl(218, 50%, 28%)
HSV	hsv(218, 67%, 42%)
CMYK	cmyk(66.7%, 42.6%, 0%, 57.6%)
CIE-LAB	lab(26.46, 6.28, -29.77)
CIE-LCH	lch(26.46, 30.43, 281.91°)
OKLab	oklab(36.79% -0.0134 -0.0847)
OKLCH	oklch(36.79% 0.086 261)
XYZ	xyz(5.1560, 4.9025, 14.8590)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E6C #6C5224

analogous

#24626C #243E6C #2E246C

triadic

#243E6C #6C243E #3E6C24

tetradic

#243E6C #6C2462 #6C5224 #246C2E

square

#243E6C #6C2462 #6C5224 #246C2E

split-complementary

#243E6C #6C2E24 #626C24

monochromatic

#080D17 #15243E #243E6C #33589A #4874C2

Accessibility & contrast

On white

10.60

#243E6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#243E6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E6C

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E6C	#FFFFFF	#000000	##FFFFFF
##243E6C	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A426E

Deuteranopia (green-blind)

#1F3B6B

Tritanopia (blue-blind)

#00484F

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #243e6c;
/* rgb */ color: rgb(36, 62, 108);
/* oklch */ color: oklch(36.8% 0.086 261.0);

Tailwind

colors: {
  custom: {
    50: '#677296',
    500: '#243e6c',
    950: '#000000',
  },
}

SCSS

$custom: #243e6c;
$custom-light: #677296;
$custom-dark: #000000;

JSON

{
  "hex": "#243e6c",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 108
  },
  "hsl": {
    "h": 218.333,
    "s": 50,
    "l": 28.235
  },
  "oklch": {
    "l": 0.36793,
    "c": 0.08579,
    "h": 261
  },
  "luminance": 0.04903
}

Semantic roles & 50–950 ramp

primary

#243E6C

secondary

#9F814D

accent

#A74EDA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #243E6C

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

Preview Lab → · Contrast checker → · Palette generator →