#18547F#18547F

#18547F is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.0% C 0.093 H 244.6°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#18547F
RGB	rgb(24, 84, 127)
HSL	hsl(205, 68%, 30%)
HSV	hsv(205, 81%, 50%)
CMYK	cmyk(81.1%, 33.9%, 0%, 50.2%)
CIE-LAB	lab(34.12, -2.76, -29.58)
CIE-LCH	lch(34.12, 29.71, 264.66°)
OKLab	oklab(43.02% -0.0399 -0.084)
OKLCH	oklch(43.02% 0.093 244.6)
XYZ	xyz(7.3763, 8.0663, 21.2427)
Luminance	0.0807 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18547F #7F4318

analogous

#187F77 #18547F #18207F

triadic

#18547F #7F1854 #547F18

tetradic

#18547F #77187F #7F4318 #207F18

square

#18547F #77187F #7F4318 #207F18

split-complementary

#18547F #7F1820 #7F7718

monochromatic

#05111A #0E324C #18547F #2276B2 #3896D9

Accessibility & contrast

On white

8.04

#18547F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#18547F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18547F

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18547F	#FFFFFF	#000000	##FFFFFF
##18547F	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405581

Deuteranopia (green-blind)

#314C7E

Tritanopia (blue-blind)

#005E63

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #18547f;
/* rgb */ color: rgb(24, 84, 127);
/* oklch */ color: oklch(43.0% 0.093 244.6);

Tailwind

colors: {
  custom: {
    50: '#6683a4',
    500: '#18547f',
    950: '#000000',
  },
}

SCSS

$custom: #18547f;
$custom-light: #6683a4;
$custom-dark: #000000;

JSON

{
  "hex": "#18547f",
  "rgb": {
    "r": 24,
    "g": 84,
    "b": 127
  },
  "hsl": {
    "h": 205.049,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.43024,
    "c": 0.09301,
    "h": 244.6
  },
  "luminance": 0.08067
}

Semantic roles & 50–950 ramp

primary

#18547F

secondary

#B3703F

accent

#863DEB

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #18547F

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

Preview Lab → · Contrast checker → · Palette generator →