#243E66#243E66

#243E66 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.4% C 0.077 H 258.7°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#243E66
RGB	rgb(36, 62, 102)
HSL	hsl(216, 48%, 27%)
HSV	hsv(216, 65%, 40%)
CMYK	cmyk(64.7%, 39.2%, 0%, 60%)
CIE-LAB	lab(26.10, 3.97, -26.49)
CIE-LCH	lch(26.10, 26.79, 278.53°)
OKLab	oklab(36.4% -0.015 -0.0751)
OKLCH	oklch(36.4% 0.077 258.7)
XYZ	xyz(4.8476, 4.7792, 13.2348)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E66 #664C24

analogous

#245F66 #243E66 #2B2466

triadic

#243E66 #66243E #3E6624

tetradic

#243E66 #66245F #664C24 #24662B

square

#243E66 #66245F #664C24 #24662B

split-complementary

#243E66 #662B24 #5F6624

monochromatic

#080E17 #142339 #243E66 #345993 #4776BE

Accessibility & contrast

On white

10.74

#243E66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#243E66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E66

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E66	#FFFFFF	#000000	##FFFFFF
##243E66	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4168

Deuteranopia (green-blind)

#243B65

Tritanopia (blue-blind)

#00474D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #243e66;
/* rgb */ color: rgb(36, 62, 102);
/* oklch */ color: oklch(36.4% 0.077 258.7);

Tailwind

colors: {
  custom: {
    50: '#657292',
    500: '#243e66',
    950: '#000000',
  },
}

SCSS

$custom: #243e66;
$custom-light: #657292;
$custom-dark: #000000;

JSON

{
  "hex": "#243e66",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 102
  },
  "hsl": {
    "h": 216.364,
    "s": 47.826,
    "l": 27.059
  },
  "oklch": {
    "l": 0.36398,
    "c": 0.0766,
    "h": 258.7
  },
  "luminance": 0.0478
}

Semantic roles & 50–950 ramp

primary

#243E66

secondary

#997B4C

accent

#A250D7

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #243E66

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

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