#243D68#243D68

#243D68 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.3% C 0.081 H 260.6°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#243D68
RGB	rgb(36, 61, 104)
HSL	hsl(218, 49%, 27%)
HSV	hsv(218, 65%, 41%)
CMYK	cmyk(65.4%, 41.3%, 0%, 59.2%)
CIE-LAB	lab(25.90, 5.43, -28.09)
CIE-LCH	lch(25.90, 28.61, 280.93°)
OKLab	oklab(36.28% -0.0132 -0.0798)
OKLCH	oklch(36.28% 0.081 260.6)
XYZ	xyz(4.8941, 4.7116, 13.7455)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243D68 #684F24

analogous

#245F68 #243D68 #2D2468

triadic

#243D68 #68243D #3D6824

tetradic

#243D68 #68245F #684F24 #24682D

square

#243D68 #68245F #684F24 #24682D

split-complementary

#243D68 #682D24 #5F6824

monochromatic

#080D17 #14223B #243D68 #345895 #4773BF

Accessibility & contrast

On white

10.81

#243D68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#243D68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243D68

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243D68	#FFFFFF	#000000	##FFFFFF
##243D68	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A416A

Deuteranopia (green-blind)

#213A67

Tritanopia (blue-blind)

#00474D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #243d68;
/* rgb */ color: rgb(36, 61, 104);
/* oklch */ color: oklch(36.3% 0.081 260.6);

Tailwind

colors: {
  custom: {
    50: '#667293',
    500: '#243d68',
    950: '#000000',
  },
}

SCSS

$custom: #243d68;
$custom-light: #667293;
$custom-dark: #000000;

JSON

{
  "hex": "#243d68",
  "rgb": {
    "r": 36,
    "g": 61,
    "b": 104
  },
  "hsl": {
    "h": 217.941,
    "s": 48.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.36282,
    "c": 0.08092,
    "h": 260.6
  },
  "luminance": 0.04712
}

Semantic roles & 50–950 ramp

primary

#243D68

secondary

#9B7E4C

accent

#A650D8

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #243D68

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

Preview Lab → · Contrast checker → · Palette generator →