#18586E#18586E

#18586E is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.1% C 0.072 H 225.5°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#18586E
RGB	rgb(24, 88, 110)
HSL	hsl(195, 64%, 26%)
HSV	hsv(195, 78%, 43%)
CMYK	cmyk(78.2%, 20%, 0%, 56.9%)
CIE-LAB	lab(34.60, -11.75, -18.30)
CIE-LCH	lch(34.60, 21.75, 237.29°)
OKLab	oklab(43.13% -0.0503 -0.0513)
OKLCH	oklch(43.13% 0.072 225.5)
XYZ	xyz(6.6797, 8.2986, 15.9986)
Luminance	0.0830 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18586E #6E2E18

analogous

#186E59 #18586E #182D6E

triadic

#18586E #6E1858 #586E18

tetradic

#18586E #59186E #6E2E18 #2D6E18

square

#18586E #59186E #6E2E18 #2D6E18

split-complementary

#18586E #6E182D #6E5918

monochromatic

#051419 #0D303C #18586E #2380A0 #2FA8D2

Accessibility & contrast

On white

7.90

#18586E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#18586E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18586E

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18586E	#FFFFFF	#000000	##FFFFFF
##18586E	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C566F

Deuteranopia (green-blind)

#404E6E

Tritanopia (blue-blind)

#005E5F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #18586e;
/* rgb */ color: rgb(24, 88, 110);
/* oklch */ color: oklch(43.1% 0.072 225.5);

Tailwind

colors: {
  custom: {
    50: '#638797',
    500: '#18586e',
    950: '#000000',
  },
}

SCSS

$custom: #18586e;
$custom-light: #638797;
$custom-dark: #000000;

JSON

{
  "hex": "#18586e",
  "rgb": {
    "r": 24,
    "g": 88,
    "b": 110
  },
  "hsl": {
    "h": 195.349,
    "s": 64.179,
    "l": 26.275
  },
  "oklch": {
    "l": 0.43128,
    "c": 0.07187,
    "h": 225.5
  },
  "luminance": 0.08299
}

Semantic roles & 50–950 ramp

primary

#18586E

secondary

#A4583E

accent

#6B41E7

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #18586E

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

Preview Lab → · Contrast checker → · Palette generator →