#243E7F#243E7F

#243E7F is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.2% C 0.115 H 265.0°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#243E7F
RGB	rgb(36, 62, 127)
HSL	hsl(223, 56%, 32%)
HSV	hsv(223, 72%, 50%)
CMYK	cmyk(71.7%, 51.2%, 0%, 50.2%)
CIE-LAB	lab(27.71, 13.71, -39.77)
CIE-LCH	lch(27.71, 42.07, 289.01°)
OKLab	oklab(38.17% -0.0099 -0.1141)
OKLCH	oklch(38.17% 0.115 265)
XYZ	xyz(6.2796, 5.3520, 20.7767)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E7F #7F6524

analogous

#246C7F #243E7F #38247F

triadic

#243E7F #7F243E #3E7F24

tetradic

#243E7F #7F246C #7F6524 #247F38

square

#243E7F #7F246C #7F6524 #247F38

split-complementary

#243E7F #7F3824 #6C7F24

monochromatic

#090F20 #16274F #243E7F #3255AF #5074CD

Accessibility & contrast

On white

10.14

#243E7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#243E7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E7F

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E7F	#FFFFFF	#000000	##FFFFFF
##243E7F	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194681

Deuteranopia (green-blind)

#003D7E

Tritanopia (blue-blind)

#004D58

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #243e7f;
/* rgb */ color: rgb(36, 62, 127);
/* oklch */ color: oklch(38.2% 0.115 265.0);

Tailwind

colors: {
  custom: {
    50: '#6b72a5',
    500: '#243e7f',
    950: '#000000',
  },
}

SCSS

$custom: #243e7f;
$custom-light: #6b72a5;
$custom-dark: #000000;

JSON

{
  "hex": "#243e7f",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 127
  },
  "hsl": {
    "h": 222.857,
    "s": 55.828,
    "l": 31.961
  },
  "oklch": {
    "l": 0.38167,
    "c": 0.11455,
    "h": 265
  },
  "luminance": 0.05353
}

Semantic roles & 50–950 ramp

primary

#243E7F

secondary

#B1954E

accent

#B449DF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #243E7F

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

Preview Lab → · Contrast checker → · Palette generator →