#243D6F#243D6F

#243D6F is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.8% C 0.092 H 262.7°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#243D6F
RGB	rgb(36, 61, 111)
HSL	hsl(220, 51%, 29%)
HSV	hsv(220, 68%, 44%)
CMYK	cmyk(67.6%, 45%, 0%, 56.5%)
CIE-LAB	lab(26.33, 8.13, -31.88)
CIE-LCH	lch(26.33, 32.90, 284.31°)
OKLab	oklab(36.76% -0.0116 -0.0909)
OKLCH	oklch(36.76% 0.092 262.7)
XYZ	xyz(5.2645, 4.8598, 15.6964)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243D6F #6F5624

analogous

#24636F #243D6F #31246F

triadic

#243D6F #6F243D #3D6F24

tetradic

#243D6F #6F2463 #6F5624 #246F31

square

#243D6F #6F2463 #6F5624 #246F31

split-complementary

#243D6F #6F3124 #636F24

monochromatic

#070D17 #152441 #243D6F #33569D #4972C4

Accessibility & contrast

On white

10.65

#243D6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#243D6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243D6F

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243D6F	#FFFFFF	#000000	##FFFFFF
##243D6F	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264271

Deuteranopia (green-blind)

#1A3B6E

Tritanopia (blue-blind)

#004850

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #243d6f;
/* rgb */ color: rgb(36, 61, 111);
/* oklch */ color: oklch(36.8% 0.092 262.7);

Tailwind

colors: {
  custom: {
    50: '#677299',
    500: '#243d6f',
    950: '#000000',
  },
}

SCSS

$custom: #243d6f;
$custom-light: #677299;
$custom-dark: #000000;

JSON

{
  "hex": "#243d6f",
  "rgb": {
    "r": 36,
    "g": 61,
    "b": 111
  },
  "hsl": {
    "h": 220,
    "s": 51.02,
    "l": 28.824
  },
  "oklch": {
    "l": 0.36759,
    "c": 0.09168,
    "h": 262.7
  },
  "luminance": 0.0486
}

Semantic roles & 50–950 ramp

primary

#243D6F

secondary

#A2864D

accent

#AB4DDA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #243D6F

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

Preview Lab → · Contrast checker → · Palette generator →