#243E82#243E82

#243E82 is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.4% C 0.119 H 265.4°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#243E82
RGB	rgb(36, 62, 130)
HSL	hsl(223, 57%, 33%)
HSV	hsv(223, 72%, 51%)
CMYK	cmyk(72.3%, 52.3%, 0%, 49%)
CIE-LAB	lab(27.93, 14.88, -41.30)
CIE-LCH	lch(27.93, 43.90, 289.82°)
OKLab	oklab(38.4% -0.0095 -0.1186)
OKLCH	oklch(38.4% 0.119 265.4)
XYZ	xyz(6.4780, 5.4314, 21.8217)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E82 #826824

analogous

#246D82 #243E82 #392482

triadic

#243E82 #82243E #3E8224

tetradic

#243E82 #82246D #826824 #248239

square

#243E82 #82246D #826824 #248239

split-complementary

#243E82 #823924 #6D8224

monochromatic

#091022 #172752 #243E82 #3155B2 #5174CF

Accessibility & contrast

On white

10.07

#243E82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#243E82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E82

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E82	#FFFFFF	#000000	##FFFFFF
##243E82	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154684

Deuteranopia (green-blind)

#003E81

Tritanopia (blue-blind)

#004E5A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #243e82;
/* rgb */ color: rgb(36, 62, 130);
/* oklch */ color: oklch(38.4% 0.119 265.4);

Tailwind

colors: {
  custom: {
    50: '#6b72a7',
    500: '#243e82',
    950: '#000000',
  },
}

SCSS

$custom: #243e82;
$custom-light: #6b72a7;
$custom-dark: #000000;

JSON

{
  "hex": "#243e82",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 130
  },
  "hsl": {
    "h": 223.404,
    "s": 56.627,
    "l": 32.549
  },
  "oklch": {
    "l": 0.384,
    "c": 0.119,
    "h": 265.4
  },
  "luminance": 0.05432
}

Semantic roles & 50–950 ramp

primary

#243E82

secondary

#B3974F

accent

#B648E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #243E82

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

Preview Lab → · Contrast checker → · Palette generator →