#17586F#17586F

#17586F is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.2% C 0.073 H 226.4°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#17586F
RGB	rgb(23, 88, 111)
HSL	hsl(196, 66%, 26%)
HSV	hsv(196, 79%, 44%)
CMYK	cmyk(79.3%, 20.7%, 0%, 56.5%)
CIE-LAB	lab(34.62, -11.52, -18.89)
CIE-LCH	lch(34.62, 22.13, 238.63°)
OKLab	oklab(43.15% -0.0504 -0.053)
OKLCH	oklch(43.15% 0.073 226.4)
XYZ	xyz(6.7111, 8.3085, 16.2858)
Luminance	0.0831 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17586F #6F2E17

analogous

#176F5A #17586F #172C6F

triadic

#17586F #6F1758 #586F17

tetradic

#17586F #5A176F #6F2E17 #2C6F17

square

#17586F #5A176F #6F2E17 #2C6F17

split-complementary

#17586F #6F172C #6F5A17

monochromatic

#051419 #0C303C #17586F #2280A2 #2DA8D3

Accessibility & contrast

On white

7.89

#17586F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#17586F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17586F

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17586F	#FFFFFF	#000000	##FFFFFF
##17586F	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5670

Deuteranopia (green-blind)

#404E6F

Tritanopia (blue-blind)

#005F60

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #17586f;
/* rgb */ color: rgb(23, 88, 111);
/* oklch */ color: oklch(43.2% 0.073 226.4);

Tailwind

colors: {
  custom: {
    50: '#638798',
    500: '#17586f',
    950: '#000000',
  },
}

SCSS

$custom: #17586f;
$custom-light: #638798;
$custom-dark: #000000;

JSON

{
  "hex": "#17586f",
  "rgb": {
    "r": 23,
    "g": 88,
    "b": 111
  },
  "hsl": {
    "h": 195.682,
    "s": 65.672,
    "l": 26.275
  },
  "oklch": {
    "l": 0.43152,
    "c": 0.07314,
    "h": 226.4
  },
  "luminance": 0.08309
}

Semantic roles & 50–950 ramp

primary

#17586F

secondary

#A5583D

accent

#6B3FE9

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #17586F

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

Preview Lab → · Contrast checker → · Palette generator →