#18445D#18445D

#18445D is a dark, moderate cyan. Relative luminance 0.051; OKLCH L 36.9% C 0.064 H 237.2°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#18445D
RGB	rgb(24, 68, 93)
HSL	hsl(202, 59%, 23%)
HSV	hsv(202, 74%, 36%)
CMYK	cmyk(74.2%, 26.9%, 0%, 63.5%)
CIE-LAB	lab(27.07, -5.86, -19.20)
CIE-LCH	lch(27.07, 20.07, 253.04°)
OKLab	oklab(36.86% -0.0348 -0.054)
OKLCH	oklch(36.86% 0.064 237.2)
XYZ	xyz(4.4188, 5.1183, 11.1088)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18445D #5D3118

analogous

#185D53 #18445D #18225D

triadic

#18445D #5D1844 #445D18

tetradic

#18445D #53185D #5D3118 #225D18

square

#18445D #53185D #5D3118 #225D18

split-complementary

#18445D #5D1822 #5D5318

monochromatic

#061218 #0B202C #18445D #25688E #318BBE

Accessibility & contrast

On white

10.38

#18445D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#18445D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18445D

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18445D	#FFFFFF	#000000	##FFFFFF
##18445D	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38445E

Deuteranopia (green-blind)

#2F3D5D

Tritanopia (blue-blind)

#004A4D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #18445d;
/* rgb */ color: rgb(24, 68, 93);
/* oklch */ color: oklch(36.9% 0.064 237.2);

Tailwind

colors: {
  custom: {
    50: '#5f778b',
    500: '#18445d',
    950: '#000000',
  },
}

SCSS

$custom: #18445d;
$custom-light: #5f778b;
$custom-dark: #000000;

JSON

{
  "hex": "#18445d",
  "rgb": {
    "r": 24,
    "g": 68,
    "b": 93
  },
  "hsl": {
    "h": 201.739,
    "s": 58.974,
    "l": 22.941
  },
  "oklch": {
    "l": 0.3686,
    "c": 0.06428,
    "h": 237.2
  },
  "luminance": 0.05119
}

Semantic roles & 50–950 ramp

primary

#18445D

secondary

#935D3D

accent

#7E46E2

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #18445D

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

Preview Lab → · Contrast checker → · Palette generator →