#18497F#18497F

#18497F is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 40.3% C 0.105 H 253.7°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#18497F
RGB	rgb(24, 73, 127)
HSL	hsl(211, 68%, 30%)
HSV	hsv(211, 81%, 50%)
CMYK	cmyk(81.1%, 42.5%, 0%, 50.2%)
CIE-LAB	lab(30.62, 4.45, -35.14)
CIE-LCH	lch(30.62, 35.42, 277.22°)
OKLab	oklab(40.28% -0.0294 -0.1005)
OKLCH	oklch(40.28% 0.105 253.7)
XYZ	xyz(6.5886, 6.4908, 20.9802)
Luminance	0.0649 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18497F #7F4E18

analogous

#187D7F #18497F #1A187F

triadic

#18497F #7F1849 #497F18

tetradic

#18497F #7F187D #7F4E18 #187F1A

square

#18497F #7F187D #7F4E18 #187F1A

split-complementary

#18497F #7F1A18 #7D7F18

monochromatic

#050F1A #0E2B4C #18497F #2267B2 #3885D9

Accessibility & contrast

On white

9.14

#18497F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#18497F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18497F

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18497F	#FFFFFF	#000000	##FFFFFF
##18497F	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4D81

Deuteranopia (green-blind)

#1D447E

Tritanopia (blue-blind)

#00565D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #18497f;
/* rgb */ color: rgb(24, 73, 127);
/* oklch */ color: oklch(40.3% 0.105 253.7);

Tailwind

colors: {
  custom: {
    50: '#667ba4',
    500: '#18497f',
    950: '#000000',
  },
}

SCSS

$custom: #18497f;
$custom-light: #667ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#18497f",
  "rgb": {
    "r": 24,
    "g": 73,
    "b": 127
  },
  "hsl": {
    "h": 211.456,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.40277,
    "c": 0.1047,
    "h": 253.7
  },
  "luminance": 0.06492
}

Semantic roles & 50–950 ramp

primary

#18497F

secondary

#B37C3F

accent

#983DEB

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #18497F

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

Preview Lab → · Contrast checker → · Palette generator →