#18586A#18586A

#18586A is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 42.9% C 0.069 H 220.8°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#18586A
RGB	rgb(24, 88, 106)
HSL	hsl(193, 63%, 25%)
HSV	hsv(193, 77%, 42%)
CMYK	cmyk(77.4%, 17%, 0%, 58.4%)
CIE-LAB	lab(34.42, -13.22, -16.07)
CIE-LCH	lch(34.42, 20.81, 230.56°)
OKLab	oklab(42.93% -0.052 -0.0449)
OKLCH	oklch(42.93% 0.069 220.8)
XYZ	xyz(6.4668, 8.2135, 14.8774)
Luminance	0.0821 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18586A #6A2A18

analogous

#186A53 #18586A #182F6A

triadic

#18586A #6A1858 #586A18

tetradic

#18586A #53186A #6A2A18 #2F6A18

square

#18586A #53186A #6A2A18 #2F6A18

split-complementary

#18586A #6A182F #6A5318

monochromatic

#061519 #0D2F38 #18586A #23819C #2FABCE

Accessibility & contrast

On white

7.95

#18586A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#18586A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18586A

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18586A	#FFFFFF	#000000	##FFFFFF
##18586A	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D566B

Deuteranopia (green-blind)

#424D6A

Tritanopia (blue-blind)

#005E5E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #18586a;
/* rgb */ color: rgb(24, 88, 106);
/* oklch */ color: oklch(42.9% 0.069 220.8);

Tailwind

colors: {
  custom: {
    50: '#628794',
    500: '#18586a',
    950: '#000000',
  },
}

SCSS

$custom: #18586a;
$custom-light: #628794;
$custom-dark: #000000;

JSON

{
  "hex": "#18586a",
  "rgb": {
    "r": 24,
    "g": 88,
    "b": 106
  },
  "hsl": {
    "h": 193.171,
    "s": 63.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.42932,
    "c": 0.06874,
    "h": 220.8
  },
  "luminance": 0.08214
}

Semantic roles & 50–950 ramp

primary

#18586A

secondary

#A0533E

accent

#6642E6

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #18586A

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

Preview Lab → · Contrast checker → · Palette generator →