#18456C#18456C

#18456C is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 38.0% C 0.083 H 248.2°. Best body text is #FFFFFF at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#18456C
RGB	rgb(24, 69, 108)
HSL	hsl(208, 64%, 26%)
HSV	hsv(208, 78%, 42%)
CMYK	cmyk(77.8%, 36.1%, 0%, 57.6%)
CIE-LAB	lab(28.20, -0.58, -27.03)
CIE-LCH	lch(28.20, 27.04, 268.77°)
OKLab	oklab(38.02% -0.0307 -0.0768)
OKLCH	oklch(38.02% 0.083 248.2)
XYZ	xyz(5.2106, 5.5326, 14.9777)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18456C #6C3F18

analogous

#186C69 #18456C #181B6C

triadic

#18456C #6C1845 #456C18

tetradic

#18456C #69186C #6C3F18 #1B6C18

square

#18456C #69186C #6C3F18 #1B6C18

split-complementary

#18456C #6C181B #6C6918

monochromatic

#061019 #0D253A #18456C #23659E #2E85D0

Accessibility & contrast

On white

9.97

#18456C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#18456C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18456C

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18456C	#FFFFFF	#000000	##FFFFFF
##18456C	1.00	9.97	2.11	9.97
#FFFFFF	9.97	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33476E

Deuteranopia (green-blind)

#273F6B

Tritanopia (blue-blind)

#004E53

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #18456c;
/* rgb */ color: rgb(24, 69, 108);
/* oklch */ color: oklch(38.0% 0.083 248.2);

Tailwind

colors: {
  custom: {
    50: '#627896',
    500: '#18456c',
    950: '#000000',
  },
}

SCSS

$custom: #18456c;
$custom-light: #627896;
$custom-dark: #000000;

JSON

{
  "hex": "#18456c",
  "rgb": {
    "r": 24,
    "g": 69,
    "b": 108
  },
  "hsl": {
    "h": 207.857,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.38016,
    "c": 0.08271,
    "h": 248.2
  },
  "luminance": 0.05533
}

Semantic roles & 50–950 ramp

primary

#18456C

secondary

#A26C3E

accent

#8E41E7

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #18456C

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

Preview Lab → · Contrast checker → · Palette generator →