#18406C#18406C

#18406C is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.7% C 0.088 H 253.2°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#18406C
RGB	rgb(24, 64, 108)
HSL	hsl(211, 64%, 26%)
HSV	hsv(211, 78%, 42%)
CMYK	cmyk(77.8%, 40.7%, 0%, 57.6%)
CIE-LAB	lab(26.57, 2.79, -29.62)
CIE-LCH	lch(26.57, 29.75, 275.38°)
OKLab	oklab(36.74% -0.0255 -0.0844)
OKLCH	oklch(36.74% 0.088 253.2)
XYZ	xyz(4.9159, 4.9431, 14.8795)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18406C #6C4418

analogous

#186A6C #18406C #1A186C

triadic

#18406C #6C1840 #406C18

tetradic

#18406C #6C186A #6C4418 #186C1A

square

#18406C #6C186A #6C4418 #186C1A

split-complementary

#18406C #6C1A18 #6A6C18

monochromatic

#060F19 #0D223A #18406C #235E9E #2E7BD0

Accessibility & contrast

On white

10.56

#18406C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#18406C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18406C

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18406C	#FFFFFF	#000000	##FFFFFF
##18406C	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B436E

Deuteranopia (green-blind)

#1E3B6B

Tritanopia (blue-blind)

#004A50

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #18406c;
/* rgb */ color: rgb(24, 64, 108);
/* oklch */ color: oklch(36.7% 0.088 253.2);

Tailwind

colors: {
  custom: {
    50: '#627496',
    500: '#18406c',
    950: '#000000',
  },
}

SCSS

$custom: #18406c;
$custom-light: #627496;
$custom-dark: #000000;

JSON

{
  "hex": "#18406c",
  "rgb": {
    "r": 24,
    "g": 64,
    "b": 108
  },
  "hsl": {
    "h": 211.429,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.3674,
    "c": 0.08822,
    "h": 253.2
  },
  "luminance": 0.04944
}

Semantic roles & 50–950 ramp

primary

#18406C

secondary

#A2723E

accent

#9841E7

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #18406C

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

Preview Lab → · Contrast checker → · Palette generator →