#18498D#18498D

#18498D is a dark, vivid cyan. Relative luminance 0.069; OKLCH L 41.3% C 0.124 H 257.7°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#18498D
RGB	rgb(24, 73, 141)
HSL	hsl(215, 71%, 32%)
HSV	hsv(215, 83%, 55%)
CMYK	cmyk(83%, 48.2%, 0%, 44.7%)
CIE-LAB	lab(31.54, 10.18, -42.32)
CIE-LCH	lch(31.54, 43.53, 283.53°)
OKLab	oklab(41.28% -0.0264 -0.1216)
OKLCH	oklch(41.28% 0.124 257.7)
XYZ	xyz(7.5652, 6.8814, 26.1237)
Luminance	0.0688 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18498D #8D5C18

analogous

#18838D #18498D #22188D

triadic

#18498D #8D1849 #498D18

tetradic

#18498D #8D1883 #8D5C18 #188D22

square

#18498D #8D1883 #8D5C18 #188D22

split-complementary

#18498D #8D2218 #838D18

monochromatic

#061324 #0F2E59 #18498D #2164C1 #4183DF

Accessibility & contrast

On white

8.84

#18498D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#18498D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18498D

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18498D	#FFFFFF	#000000	##FFFFFF
##18498D	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#235090

Deuteranopia (green-blind)

#00458C

Tritanopia (blue-blind)

#005964

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #18498d;
/* rgb */ color: rgb(24, 73, 141);
/* oklch */ color: oklch(41.3% 0.124 257.7);

Tailwind

colors: {
  custom: {
    50: '#6a7baf',
    500: '#18498d',
    950: '#000000',
  },
}

SCSS

$custom: #18498d;
$custom-light: #6a7baf;
$custom-dark: #000000;

JSON

{
  "hex": "#18498d",
  "rgb": {
    "r": 24,
    "g": 73,
    "b": 141
  },
  "hsl": {
    "h": 214.872,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.41283,
    "c": 0.12443,
    "h": 257.7
  },
  "luminance": 0.06882
}

Semantic roles & 50–950 ramp

primary

#18498D

secondary

#BF8B42

accent

#A23AEE

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #18498D

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

Preview Lab → · Contrast checker → · Palette generator →