#243D6D#243D6D

#243D6D is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.6% C 0.089 H 262.2°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#243D6D
RGB	rgb(36, 61, 109)
HSL	hsl(219, 50%, 28%)
HSV	hsv(219, 67%, 43%)
CMYK	cmyk(67%, 44%, 0%, 57.3%)
CIE-LAB	lab(26.20, 7.35, -30.81)
CIE-LCH	lch(26.20, 31.67, 283.43°)
OKLab	oklab(36.62% -0.0121 -0.0878)
OKLCH	oklch(36.62% 0.089 262.2)
XYZ	xyz(5.1556, 4.8162, 15.1230)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243D6D #6D5424

analogous

#24616D #243D6D #2F246D

triadic

#243D6D #6D243D #3D6D24

tetradic

#243D6D #6D2461 #6D5424 #246D2F

square

#243D6D #6D2461 #6D5424 #246D2F

split-complementary

#243D6D #6D2F24 #616D24

monochromatic

#080D17 #15233F #243D6D #33579B #4972C3

Accessibility & contrast

On white

10.70

#243D6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#243D6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243D6D

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243D6D	#FFFFFF	#000000	##FFFFFF
##243D6D	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27426F

Deuteranopia (green-blind)

#1C3B6C

Tritanopia (blue-blind)

#00484F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #243d6d;
/* rgb */ color: rgb(36, 61, 109);
/* oklch */ color: oklch(36.6% 0.089 262.2);

Tailwind

colors: {
  custom: {
    50: '#677297',
    500: '#243d6d',
    950: '#000000',
  },
}

SCSS

$custom: #243d6d;
$custom-light: #677297;
$custom-dark: #000000;

JSON

{
  "hex": "#243d6d",
  "rgb": {
    "r": 36,
    "g": 61,
    "b": 109
  },
  "hsl": {
    "h": 219.452,
    "s": 50.345,
    "l": 28.431
  },
  "oklch": {
    "l": 0.3662,
    "c": 0.08861,
    "h": 262.2
  },
  "luminance": 0.04817
}

Semantic roles & 50–950 ramp

primary

#243D6D

secondary

#A0844D

accent

#AA4EDA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #243D6D

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

Preview Lab → · Contrast checker → · Palette generator →