#17586E#17586E

#17586E is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.1% C 0.072 H 225.3°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#17586E
RGB	rgb(23, 88, 110)
HSL	hsl(195, 65%, 26%)
HSV	hsv(195, 79%, 43%)
CMYK	cmyk(79.1%, 20%, 0%, 56.9%)
CIE-LAB	lab(34.57, -11.89, -18.34)
CIE-LCH	lch(34.57, 21.86, 237.04°)
OKLab	oklab(43.1% -0.0508 -0.0514)
OKLCH	oklch(43.1% 0.072 225.3)
XYZ	xyz(6.6564, 8.2866, 15.9975)
Luminance	0.0829 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17586E #6E2D17

analogous

#176E58 #17586E #172C6E

triadic

#17586E #6E1758 #586E17

tetradic

#17586E #58176E #6E2D17 #2C6E17

square

#17586E #58176E #6E2D17 #2C6E17

split-complementary

#17586E #6E172C #6E5817

monochromatic

#051419 #0C303B #17586E #2280A1 #2CA9D3

Accessibility & contrast

On white

7.90

#17586E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#17586E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17586E

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17586E	#FFFFFF	#000000	##FFFFFF
##17586E	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: #17586e;
/* rgb */ color: rgb(23, 88, 110);
/* oklch */ color: oklch(43.1% 0.072 225.3);

Tailwind

colors: {
  custom: {
    50: '#638797',
    500: '#17586e',
    950: '#000000',
  },
}

SCSS

$custom: #17586e;
$custom-light: #638797;
$custom-dark: #000000;

JSON

{
  "hex": "#17586e",
  "rgb": {
    "r": 23,
    "g": 88,
    "b": 110
  },
  "hsl": {
    "h": 195.172,
    "s": 65.414,
    "l": 26.078
  },
  "oklch": {
    "l": 0.43102,
    "c": 0.0723,
    "h": 225.3
  },
  "luminance": 0.08287
}

Semantic roles & 50–950 ramp

primary

#17586E

secondary

#A4573D

accent

#6A3FE8

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #17586E

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

Preview Lab → · Contrast checker → · Palette generator →