#243E6B#243E6B

#243E6B is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.7% C 0.084 H 260.7°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#243E6B
RGB	rgb(36, 62, 107)
HSL	hsl(218, 50%, 28%)
HSV	hsv(218, 66%, 42%)
CMYK	cmyk(66.4%, 42.1%, 0%, 58%)
CIE-LAB	lab(26.39, 5.89, -29.23)
CIE-LCH	lch(26.39, 29.82, 281.40°)
OKLab	oklab(36.73% -0.0137 -0.0831)
OKLCH	oklch(36.73% 0.084 260.7)
XYZ	xyz(5.1031, 4.8814, 14.5803)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E6B #6B5124

analogous

#24616B #243E6B #2D246B

triadic

#243E6B #6B243E #3E6B24

tetradic

#243E6B #6B2461 #6B5124 #246B2D

square

#243E6B #6B2461 #6B5124 #246B2D

split-complementary

#243E6B #6B2D24 #616B24

monochromatic

#080D17 #15233D #243E6B #335999 #4874C1

Accessibility & contrast

On white

10.63

#243E6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#243E6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E6B

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E6B	#FFFFFF	#000000	##FFFFFF
##243E6B	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A426D

Deuteranopia (green-blind)

#203B6A

Tritanopia (blue-blind)

#00484F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #243e6b;
/* rgb */ color: rgb(36, 62, 107);
/* oklch */ color: oklch(36.7% 0.084 260.7);

Tailwind

colors: {
  custom: {
    50: '#667295',
    500: '#243e6b',
    950: '#000000',
  },
}

SCSS

$custom: #243e6b;
$custom-light: #667295;
$custom-dark: #000000;

JSON

{
  "hex": "#243e6b",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 107
  },
  "hsl": {
    "h": 218.028,
    "s": 49.65,
    "l": 28.039
  },
  "oklch": {
    "l": 0.36726,
    "c": 0.08426,
    "h": 260.7
  },
  "luminance": 0.04882
}

Semantic roles & 50–950 ramp

primary

#243E6B

secondary

#9E804D

accent

#A64FD9

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #243E6B

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

Preview Lab → · Contrast checker → · Palette generator →