#17518A#17518A

#17518A is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 43.0% C 0.111 H 251.9°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#17518A
RGB	rgb(23, 81, 138)
HSL	hsl(210, 71%, 32%)
HSV	hsv(210, 83%, 54%)
CMYK	cmyk(83.3%, 41.3%, 0%, 45.9%)
CIE-LAB	lab(33.78, 3.48, -36.89)
CIE-LCH	lch(33.78, 37.06, 275.40°)
OKLab	oklab(42.95% -0.0345 -0.1055)
OKLCH	oklch(42.95% 0.111 251.9)
XYZ	xyz(7.8815, 7.9010, 25.1495)
Luminance	0.0790 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17518A #8A5017

analogous

#178A8A #17518A #17188A

triadic

#17518A #8A1751 #518A17

tetradic

#17518A #8A178A #8A5017 #188A17

square

#17518A #8A178A #8A5017 #188A17

split-complementary

#17518A #8A1718 #8A8A17

monochromatic

#061321 #0E3256 #17518A #2070BE #3D8EDF

Accessibility & contrast

On white

8.14

#17518A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#17518A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17518A

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17518A	#FFFFFF	#000000	##FFFFFF
##17518A	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35558C

Deuteranopia (green-blind)

#224B89

Tritanopia (blue-blind)

#005F66

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #17518a;
/* rgb */ color: rgb(23, 81, 138);
/* oklch */ color: oklch(43.0% 0.111 251.9);

Tailwind

colors: {
  custom: {
    50: '#6881ac',
    500: '#17518a',
    950: '#000000',
  },
}

SCSS

$custom: #17518a;
$custom-light: #6881ac;
$custom-dark: #000000;

JSON

{
  "hex": "#17518a",
  "rgb": {
    "r": 23,
    "g": 81,
    "b": 138
  },
  "hsl": {
    "h": 209.739,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.42952,
    "c": 0.11098,
    "h": 251.9
  },
  "luminance": 0.07902
}

Semantic roles & 50–950 ramp

primary

#17518A

secondary

#BE7E3F

accent

#933AEE

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #17518A

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

Preview Lab → · Contrast checker → · Palette generator →