#18406D#18406D

#18406D is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.8% C 0.090 H 253.6°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#18406D
RGB	rgb(24, 64, 109)
HSL	hsl(212, 64%, 26%)
HSV	hsv(212, 78%, 43%)
CMYK	cmyk(78%, 41.3%, 0%, 57.3%)
CIE-LAB	lab(26.63, 3.20, -30.16)
CIE-LCH	lch(26.63, 30.33, 276.06°)
OKLab	oklab(36.81% -0.0253 -0.086)
OKLCH	oklch(36.81% 0.09 253.6)
XYZ	xyz(4.9694, 4.9645, 15.1614)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18406D #6D4518

analogous

#186A6D #18406D #1A186D

triadic

#18406D #6D1840 #406D18

tetradic

#18406D #6D186A #6D4518 #186D1A

square

#18406D #6D186A #6D4518 #186D1A

split-complementary

#18406D #6D1A18 #6A6D18

monochromatic

#060F19 #0D233B #18406D #235D9F #2E7BD1

Accessibility & contrast

On white

10.54

#18406D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#18406D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18406D

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18406D	#FFFFFF	#000000	##FFFFFF
##18406D	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B436F

Deuteranopia (green-blind)

#1D3B6C

Tritanopia (blue-blind)

#004B51

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #18406d;
/* rgb */ color: rgb(24, 64, 109);
/* oklch */ color: oklch(36.8% 0.090 253.6);

Tailwind

colors: {
  custom: {
    50: '#627497',
    500: '#18406d',
    950: '#000000',
  },
}

SCSS

$custom: #18406d;
$custom-light: #627497;
$custom-dark: #000000;

JSON

{
  "hex": "#18406d",
  "rgb": {
    "r": 24,
    "g": 64,
    "b": 109
  },
  "hsl": {
    "h": 211.765,
    "s": 63.91,
    "l": 26.078
  },
  "oklch": {
    "l": 0.36808,
    "c": 0.08966,
    "h": 253.6
  },
  "luminance": 0.04965
}

Semantic roles & 50–950 ramp

primary

#18406D

secondary

#A3733E

accent

#9941E7

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #18406D

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

Preview Lab → · Contrast checker → · Palette generator →