#243D69#243D69

#243D69 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.3% C 0.082 H 260.9°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#243D69
RGB	rgb(36, 61, 105)
HSL	hsl(218, 49%, 28%)
HSV	hsv(218, 66%, 41%)
CMYK	cmyk(65.7%, 41.9%, 0%, 58.8%)
CIE-LAB	lab(25.96, 5.81, -28.64)
CIE-LCH	lch(25.96, 29.22, 281.47°)
OKLab	oklab(36.35% -0.013 -0.0814)
OKLCH	oklch(36.35% 0.082 260.9)
XYZ	xyz(4.9452, 4.7320, 14.0146)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243D69 #695024

analogous

#245F69 #243D69 #2E2469

triadic

#243D69 #69243D #3D6924

tetradic

#243D69 #69245F #695024 #24692E

square

#243D69 #69245F #695024 #24692E

split-complementary

#243D69 #692E24 #5F6924

monochromatic

#080D17 #14233B #243D69 #345797 #4773C0

Accessibility & contrast

On white

10.79

#243D69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#243D69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243D69

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243D69	#FFFFFF	#000000	##FFFFFF
##243D69	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A416B

Deuteranopia (green-blind)

#203B68

Tritanopia (blue-blind)

#00474E

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #243d69;
/* rgb */ color: rgb(36, 61, 105);
/* oklch */ color: oklch(36.3% 0.082 260.9);

Tailwind

colors: {
  custom: {
    50: '#667294',
    500: '#243d69',
    950: '#000000',
  },
}

SCSS

$custom: #243d69;
$custom-light: #667294;
$custom-dark: #000000;

JSON

{
  "hex": "#243d69",
  "rgb": {
    "r": 36,
    "g": 61,
    "b": 105
  },
  "hsl": {
    "h": 218.261,
    "s": 48.936,
    "l": 27.647
  },
  "oklch": {
    "l": 0.36348,
    "c": 0.08246,
    "h": 260.9
  },
  "luminance": 0.04732
}

Semantic roles & 50–950 ramp

primary

#243D69

secondary

#9C7F4D

accent

#A74FD8

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #243D69

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

Preview Lab → · Contrast checker → · Palette generator →