#243D4E#243D4E

#243D4E is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.8% C 0.043 H 239.4°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#243D4E
RGB	rgb(36, 61, 78)
HSL	hsl(204, 37%, 22%)
HSV	hsv(204, 54%, 31%)
CMYK	cmyk(53.8%, 21.8%, 0%, 69.4%)
CIE-LAB	lab(24.52, -4.12, -13.31)
CIE-LCH	lch(24.52, 13.93, 252.79°)
OKLab	oklab(34.75% -0.0219 -0.037)
OKLCH	oklch(34.75% 0.043 239.4)
XYZ	xyz(3.7710, 4.2623, 7.8302)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243D4E #4E3524

analogous

#244E4A #243D4E #24284E

triadic

#243D4E #4E243D #3D4E24

tetradic

#243D4E #4A244E #4E3524 #284E24

square

#243D4E #4A244E #4E3524 #284E24

split-complementary

#243D4E #4E2428 #4E4A24

monochromatic

#0A1015 #111C24 #243D4E #375E78 #4B7EA2

Accessibility & contrast

On white

11.34

#243D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#243D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243D4E

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243D4E	#FFFFFF	#000000	##FFFFFF
##243D4E	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353D4F

Deuteranopia (green-blind)

#30384E

Tritanopia (blue-blind)

#0F4143

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #243d4e;
/* rgb */ color: rgb(36, 61, 78);
/* oklch */ color: oklch(34.8% 0.043 239.4);

Tailwind

colors: {
  custom: {
    50: '#62727f',
    500: '#243d4e',
    950: '#000000',
  },
}

SCSS

$custom: #243d4e;
$custom-light: #62727f;
$custom-dark: #000000;

JSON

{
  "hex": "#243d4e",
  "rgb": {
    "r": 36,
    "g": 61,
    "b": 78
  },
  "hsl": {
    "h": 204.286,
    "s": 36.842,
    "l": 22.353
  },
  "oklch": {
    "l": 0.34752,
    "c": 0.04299,
    "h": 239.4
  },
  "luminance": 0.04263
}

Semantic roles & 50–950 ramp

primary

#243D4E

secondary

#81624C

accent

#895BCD

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#05080A

muted

#797B7C

Preview Lab

Preview with #243D4E

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

Preview Lab → · Contrast checker → · Palette generator →