#18596E#18596E

#18596E is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.4% C 0.072 H 224.1°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#18596E
RGB	rgb(24, 89, 110)
HSL	hsl(195, 64%, 26%)
HSV	hsv(195, 78%, 43%)
CMYK	cmyk(78.2%, 19.1%, 0%, 56.9%)
CIE-LAB	lab(34.93, -12.35, -17.79)
CIE-LCH	lch(34.93, 21.65, 235.23°)
OKLab	oklab(43.4% -0.0514 -0.0498)
OKLCH	oklch(43.4% 0.072 224.1)
XYZ	xyz(6.7624, 8.4639, 16.0261)
Luminance	0.0847 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18596E #6E2D18

analogous

#186E58 #18596E #182E6E

triadic

#18596E #6E1859 #596E18

tetradic

#18596E #58186E #6E2D18 #2E6E18

square

#18596E #58186E #6E2D18 #2E6E18

split-complementary

#18596E #6E182E #6E5818

monochromatic

#051419 #0D303C #18596E #2382A0 #2FAAD2

Accessibility & contrast

On white

7.80

#18596E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#18596E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18596E

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18596E	#FFFFFF	#000000	##FFFFFF
##18596E	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D576F

Deuteranopia (green-blind)

#424E6E

Tritanopia (blue-blind)

#005F60

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #18596e;
/* rgb */ color: rgb(24, 89, 110);
/* oklch */ color: oklch(43.4% 0.072 224.1);

Tailwind

colors: {
  custom: {
    50: '#638897',
    500: '#18596e',
    950: '#000000',
  },
}

SCSS

$custom: #18596e;
$custom-light: #638897;
$custom-dark: #000000;

JSON

{
  "hex": "#18596e",
  "rgb": {
    "r": 24,
    "g": 89,
    "b": 110
  },
  "hsl": {
    "h": 194.651,
    "s": 64.179,
    "l": 26.275
  },
  "oklch": {
    "l": 0.43396,
    "c": 0.07159,
    "h": 224.1
  },
  "luminance": 0.08465
}

Semantic roles & 50–950 ramp

primary

#18596E

secondary

#A4573E

accent

#6941E7

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #18596E

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

Preview Lab → · Contrast checker → · Palette generator →