#18498C#18498C

#18498C is a dark, vivid cyan. Relative luminance 0.069; OKLCH L 41.2% C 0.123 H 257.5°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#18498C
RGB	rgb(24, 73, 140)
HSL	hsl(215, 71%, 32%)
HSV	hsv(215, 83%, 55%)
CMYK	cmyk(82.9%, 47.9%, 0%, 45.1%)
CIE-LAB	lab(31.47, 9.77, -41.81)
CIE-LCH	lch(31.47, 42.94, 283.16°)
OKLab	oklab(41.21% -0.0266 -0.1201)
OKLCH	oklch(41.21% 0.123 257.5)
XYZ	xyz(7.4911, 6.8518, 25.7336)
Luminance	0.0685 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18498C #8C5B18

analogous

#18838C #18498C #21188C

triadic

#18498C #8C1849 #498C18

tetradic

#18498C #8C1883 #8C5B18 #188C21

square

#18498C #8C1883 #8C5B18 #188C21

split-complementary

#18498C #8C2118 #838C18

monochromatic

#061324 #0F2E58 #18498C #2164C0 #4083DE

Accessibility & contrast

On white

8.86

#18498C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#18498C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18498C

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18498C	#FFFFFF	#000000	##FFFFFF
##18498C	1.00	8.86	2.37	8.86
#FFFFFF	8.86	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24508F

Deuteranopia (green-blind)

#03458B

Tritanopia (blue-blind)

#005963

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #18498c;
/* rgb */ color: rgb(24, 73, 140);
/* oklch */ color: oklch(41.2% 0.123 257.5);

Tailwind

colors: {
  custom: {
    50: '#697bae',
    500: '#18498c',
    950: '#000000',
  },
}

SCSS

$custom: #18498c;
$custom-light: #697bae;
$custom-dark: #000000;

JSON

{
  "hex": "#18498c",
  "rgb": {
    "r": 24,
    "g": 73,
    "b": 140
  },
  "hsl": {
    "h": 214.655,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.41208,
    "c": 0.12303,
    "h": 257.5
  },
  "luminance": 0.06853
}

Semantic roles & 50–950 ramp

primary

#18498C

secondary

#BF8A41

accent

#A23AED

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #18498C

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

Preview Lab → · Contrast checker → · Palette generator →