#18445F#18445F

#18445F is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 37.0% C 0.067 H 239.3°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#18445F
RGB	rgb(24, 68, 95)
HSL	hsl(203, 60%, 23%)
HSV	hsv(203, 75%, 37%)
CMYK	cmyk(74.7%, 28.4%, 0%, 62.7%)
CIE-LAB	lab(27.17, -5.08, -20.33)
CIE-LCH	lch(27.17, 20.96, 255.97°)
OKLab	oklab(36.97% -0.0341 -0.0573)
OKLCH	oklch(36.97% 0.067 239.3)
XYZ	xyz(4.5086, 5.1542, 11.5815)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18445F #5F3318

analogous

#185F56 #18445F #18205F

triadic

#18445F #5F1844 #445F18

tetradic

#18445F #56185F #5F3318 #205F18

square

#18445F #56185F #5F3318 #205F18

split-complementary

#18445F #5F1820 #5F5618

monochromatic

#061118 #0C212E #18445F #246790 #318AC1

Accessibility & contrast

On white

10.34

#18445F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#18445F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18445F

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18445F	#FFFFFF	#000000	##FFFFFF
##18445F	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#374460

Deuteranopia (green-blind)

#2E3D5F

Tritanopia (blue-blind)

#004B4D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #18445f;
/* rgb */ color: rgb(24, 68, 95);
/* oklch */ color: oklch(37.0% 0.067 239.3);

Tailwind

colors: {
  custom: {
    50: '#5f778c',
    500: '#18445f',
    950: '#000000',
  },
}

SCSS

$custom: #18445f;
$custom-light: #5f778c;
$custom-dark: #000000;

JSON

{
  "hex": "#18445f",
  "rgb": {
    "r": 24,
    "g": 68,
    "b": 95
  },
  "hsl": {
    "h": 202.817,
    "s": 59.664,
    "l": 23.333
  },
  "oklch": {
    "l": 0.36972,
    "c": 0.06667,
    "h": 239.3
  },
  "luminance": 0.05155
}

Semantic roles & 50–950 ramp

primary

#18445F

secondary

#955F3D

accent

#8145E3

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #18445F

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

Preview Lab → · Contrast checker → · Palette generator →