#18596F#18596F

#18596F is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.4% C 0.072 H 225.2°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#18596F
RGB	rgb(24, 89, 111)
HSL	hsl(195, 64%, 26%)
HSV	hsv(195, 78%, 44%)
CMYK	cmyk(78.4%, 19.8%, 0%, 56.5%)
CIE-LAB	lab(34.97, -11.98, -18.34)
CIE-LCH	lch(34.97, 21.90, 236.85°)
OKLab	oklab(43.45% -0.051 -0.0514)
OKLCH	oklch(43.45% 0.072 225.2)
XYZ	xyz(6.8171, 8.4858, 16.3145)
Luminance	0.0849 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18596F #6F2E18

analogous

#186F5A #18596F #182E6F

triadic

#18596F #6F1859 #596F18

tetradic

#18596F #5A186F #6F2E18 #2E6F18

square

#18596F #5A186F #6F2E18 #2E6F18

split-complementary

#18596F #6F182E #6F5A18

monochromatic

#051419 #0D313D #18596F #2381A1 #2FA9D2

Accessibility & contrast

On white

7.79

#18596F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#18596F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18596F

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18596F	#FFFFFF	#000000	##FFFFFF
##18596F	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D5770

Deuteranopia (green-blind)

#414F6F

Tritanopia (blue-blind)

#006060

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #18596f;
/* rgb */ color: rgb(24, 89, 111);
/* oklch */ color: oklch(43.4% 0.072 225.2);

Tailwind

colors: {
  custom: {
    50: '#638898',
    500: '#18596f',
    950: '#000000',
  },
}

SCSS

$custom: #18596f;
$custom-light: #638898;
$custom-dark: #000000;

JSON

{
  "hex": "#18596f",
  "rgb": {
    "r": 24,
    "g": 89,
    "b": 111
  },
  "hsl": {
    "h": 195.172,
    "s": 64.444,
    "l": 26.471
  },
  "oklch": {
    "l": 0.43445,
    "c": 0.07241,
    "h": 225.2
  },
  "luminance": 0.08487
}

Semantic roles & 50–950 ramp

primary

#18596F

secondary

#A5583E

accent

#6B40E7

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #18596F

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

Preview Lab → · Contrast checker → · Palette generator →