#243E4F#243E4F

#243E4F is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.1% C 0.044 H 238.4°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#243E4F
RGB	rgb(36, 62, 79)
HSL	hsl(204, 37%, 23%)
HSV	hsv(204, 54%, 31%)
CMYK	cmyk(54.4%, 21.5%, 0%, 69%)
CIE-LAB	lab(24.90, -4.43, -13.38)
CIE-LCH	lch(24.90, 14.09, 251.68°)
OKLab	oklab(35.07% -0.0229 -0.0372)
OKLCH	oklch(35.07% 0.044 238.4)
XYZ	xyz(3.8610, 4.3845, 8.0385)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E4F #4F3524

analogous

#244F4A #243E4F #24294F

triadic

#243E4F #4F243E #3E4F24

tetradic

#243E4F #4A244F #4F3524 #294F24

square

#243E4F #4A244F #4F3524 #294F24

split-complementary

#243E4F #4F2429 #4F4A24

monochromatic

#0A1015 #111D25 #243E4F #375F79 #4A80A3

Accessibility & contrast

On white

11.19

#243E4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#243E4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E4F

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E4F	#FFFFFF	#000000	##FFFFFF
##243E4F	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363E50

Deuteranopia (green-blind)

#30394F

Tritanopia (blue-blind)

#0E4244

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #243e4f;
/* rgb */ color: rgb(36, 62, 79);
/* oklch */ color: oklch(35.1% 0.044 238.4);

Tailwind

colors: {
  custom: {
    50: '#627380',
    500: '#243e4f',
    950: '#000000',
  },
}

SCSS

$custom: #243e4f;
$custom-light: #627380;
$custom-dark: #000000;

JSON

{
  "hex": "#243e4f",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 79
  },
  "hsl": {
    "h": 203.721,
    "s": 37.391,
    "l": 22.549
  },
  "oklch": {
    "l": 0.35071,
    "c": 0.04367,
    "h": 238.4
  },
  "luminance": 0.04385
}

Semantic roles & 50–950 ramp

primary

#243E4F

secondary

#82624C

accent

#885ACD

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#05080A

muted

#797B7C

Preview Lab

Preview with #243E4F

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

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