#243E4E#243E4E

#243E4E is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.0% C 0.042 H 236.8°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#243E4E
RGB	rgb(36, 62, 78)
HSL	hsl(203, 37%, 22%)
HSV	hsv(203, 54%, 31%)
CMYK	cmyk(53.8%, 20.5%, 0%, 69.4%)
CIE-LAB	lab(24.86, -4.78, -12.79)
CIE-LCH	lch(24.86, 13.65, 249.52°)
OKLab	oklab(35.02% -0.0233 -0.0355)
OKLCH	oklch(35.02% 0.042 236.8)
XYZ	xyz(3.8248, 4.3701, 7.8482)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E4E #4E3424

analogous

#244E49 #243E4E #24294E

triadic

#243E4E #4E243E #3E4E24

tetradic

#243E4E #49244E #4E3424 #294E24

square

#243E4E #49244E #4E3424 #294E24

split-complementary

#243E4E #4E2429 #4E4924

monochromatic

#0A1115 #111D24 #243E4E #375F78 #4B81A2

Accessibility & contrast

On white

11.21

#243E4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#243E4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E4E

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E4E	#FFFFFF	#000000	##FFFFFF
##243E4E	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373E4F

Deuteranopia (green-blind)

#31394E

Tritanopia (blue-blind)

#0F4243

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #243e4e;
/* rgb */ color: rgb(36, 62, 78);
/* oklch */ color: oklch(35.0% 0.042 236.8);

Tailwind

colors: {
  custom: {
    50: '#62737f',
    500: '#243e4e',
    950: '#000000',
  },
}

SCSS

$custom: #243e4e;
$custom-light: #62737f;
$custom-dark: #000000;

JSON

{
  "hex": "#243e4e",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 78
  },
  "hsl": {
    "h": 202.857,
    "s": 36.842,
    "l": 22.353
  },
  "oklch": {
    "l": 0.3502,
    "c": 0.04248,
    "h": 236.8
  },
  "luminance": 0.0437
}

Semantic roles & 50–950 ramp

primary

#243E4E

secondary

#81614C

accent

#865BCD

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#05080A

muted

#797B7C

Preview Lab

Preview with #243E4E

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

Preview Lab → · Contrast checker → · Palette generator →