#18497A#18497A

#18497A is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 39.9% C 0.098 H 251.7°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#18497A
RGB	rgb(24, 73, 122)
HSL	hsl(210, 67%, 29%)
HSV	hsv(210, 80%, 48%)
CMYK	cmyk(80.3%, 40.2%, 0%, 52.2%)
CIE-LAB	lab(30.31, 2.42, -32.51)
CIE-LCH	lch(30.31, 32.60, 274.25°)
OKLab	oklab(39.94% -0.0307 -0.0928)
OKLCH	oklch(39.94% 0.098 251.7)
XYZ	xyz(6.2708, 6.3637, 19.3064)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18497A #7A4918

analogous

#187A7A #18497A #18187A

triadic

#18497A #7A1849 #497A18

tetradic

#18497A #7A187A #7A4918 #187A18

square

#18497A #7A187A #7A4918 #187A18

split-complementary

#18497A #7A1818 #7A7A18

monochromatic

#050F1A #0E2A47 #18497A #2268AD #3586D7

Accessibility & contrast

On white

9.24

#18497A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#18497A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18497A

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18497A	#FFFFFF	#000000	##FFFFFF
##18497A	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324C7C

Deuteranopia (green-blind)

#224379

Tritanopia (blue-blind)

#00555B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #18497a;
/* rgb */ color: rgb(24, 73, 122);
/* oklch */ color: oklch(39.9% 0.098 251.7);

Tailwind

colors: {
  custom: {
    50: '#657ba1',
    500: '#18497a',
    950: '#000000',
  },
}

SCSS

$custom: #18497a;
$custom-light: #657ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#18497a",
  "rgb": {
    "r": 24,
    "g": 73,
    "b": 122
  },
  "hsl": {
    "h": 210,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.39938,
    "c": 0.09771,
    "h": 251.7
  },
  "luminance": 0.06364
}

Semantic roles & 50–950 ramp

primary

#18497A

secondary

#AF773F

accent

#943EEA

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06090F

muted

#7A7B7E

Preview Lab

Preview with #18497A

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

Preview Lab → · Contrast checker → · Palette generator →