#18445B#18445B

#18445B is a dark, moderate cyan. Relative luminance 0.051; OKLCH L 36.7% C 0.062 H 234.9°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#18445B
RGB	rgb(24, 68, 91)
HSL	hsl(201, 58%, 23%)
HSV	hsv(201, 74%, 36%)
CMYK	cmyk(73.6%, 25.3%, 0%, 64.3%)
CIE-LAB	lab(26.97, -6.63, -18.06)
CIE-LCH	lch(26.97, 19.23, 249.85°)
OKLab	oklab(36.75% -0.0356 -0.0507)
OKLCH	oklch(36.75% 0.062 234.9)
XYZ	xyz(4.3314, 5.0833, 10.6484)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18445B #5B2F18

analogous

#185B50 #18445B #18225B

triadic

#18445B #5B1844 #445B18

tetradic

#18445B #50185B #5B2F18 #225B18

square

#18445B #50185B #5B2F18 #225B18

split-complementary

#18445B #5B1822 #5B5018

monochromatic

#061218 #0B202B #18445B #25688B #328CBC

Accessibility & contrast

On white

10.41

#18445B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#18445B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18445B

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18445B	#FFFFFF	#000000	##FFFFFF
##18445B	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39435C

Deuteranopia (green-blind)

#303D5B

Tritanopia (blue-blind)

#004A4C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #18445b;
/* rgb */ color: rgb(24, 68, 91);
/* oklch */ color: oklch(36.7% 0.062 234.9);

Tailwind

colors: {
  custom: {
    50: '#5e7789',
    500: '#18445b',
    950: '#000000',
  },
}

SCSS

$custom: #18445b;
$custom-light: #5e7789;
$custom-dark: #000000;

JSON

{
  "hex": "#18445b",
  "rgb": {
    "r": 24,
    "g": 68,
    "b": 91
  },
  "hsl": {
    "h": 200.597,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.36749,
    "c": 0.06199,
    "h": 234.9
  },
  "luminance": 0.05084
}

Semantic roles & 50–950 ramp

primary

#18445B

secondary

#925A3D

accent

#7C46E1

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #18445B

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

Preview Lab → · Contrast checker → · Palette generator →