#18445A#18445A

#18445A is a dark, moderate cyan. Relative luminance 0.051; OKLCH L 36.7% C 0.061 H 233.7°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#18445A
RGB	rgb(24, 68, 90)
HSL	hsl(200, 58%, 22%)
HSV	hsv(200, 73%, 35%)
CMYK	cmyk(73.3%, 24.4%, 0%, 64.7%)
CIE-LAB	lab(26.92, -7.01, -17.48)
CIE-LCH	lch(26.92, 18.84, 248.16°)
OKLab	oklab(36.7% -0.036 -0.0491)
OKLCH	oklch(36.7% 0.061 233.7)
XYZ	xyz(4.2885, 5.0662, 10.4227)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18445A #5A2E18

analogous

#185A4F #18445A #18235A

triadic

#18445A #5A1844 #445A18

tetradic

#18445A #4F185A #5A2E18 #235A18

square

#18445A #4F185A #5A2E18 #235A18

split-complementary

#18445A #5A1823 #5A4F18

monochromatic

#061218 #0B1F2A #18445A #25698A #328DBB

Accessibility & contrast

On white

10.43

#18445A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#18445A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18445A

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18445A	#FFFFFF	#000000	##FFFFFF
##18445A	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39435B

Deuteranopia (green-blind)

#303D5A

Tritanopia (blue-blind)

#004A4B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #18445a;
/* rgb */ color: rgb(24, 68, 90);
/* oklch */ color: oklch(36.7% 0.061 233.7);

Tailwind

colors: {
  custom: {
    50: '#5e7788',
    500: '#18445a',
    950: '#000000',
  },
}

SCSS

$custom: #18445a;
$custom-light: #5e7788;
$custom-dark: #000000;

JSON

{
  "hex": "#18445a",
  "rgb": {
    "r": 24,
    "g": 68,
    "b": 90
  },
  "hsl": {
    "h": 200,
    "s": 57.895,
    "l": 22.353
  },
  "oklch": {
    "l": 0.36695,
    "c": 0.06089,
    "h": 233.7
  },
  "luminance": 0.05067
}

Semantic roles & 50–950 ramp

primary

#18445A

secondary

#91593D

accent

#7A47E1

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #18445A

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

Preview Lab → · Contrast checker → · Palette generator →