#17586B#17586B

#17586B is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.0% C 0.070 H 221.8°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#17586B
RGB	rgb(23, 88, 107)
HSL	hsl(194, 65%, 25%)
HSV	hsv(194, 79%, 42%)
CMYK	cmyk(78.5%, 17.8%, 0%, 58%)
CIE-LAB	lab(34.44, -13.00, -16.67)
CIE-LCH	lch(34.44, 21.14, 232.06°)
OKLab	oklab(42.95% -0.0521 -0.0466)
OKLCH	oklch(42.95% 0.07 221.8)
XYZ	xyz(6.4958, 8.2224, 15.1518)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17586B #6B2A17

analogous

#176B54 #17586B #172E6B

triadic

#17586B #6B1758 #586B17

tetradic

#17586B #54176B #6B2A17 #2E6B17

square

#17586B #54176B #6B2A17 #2E6B17

split-complementary

#17586B #6B172E #6B5417

monochromatic

#051519 #0C2F39 #17586B #22819D #2DABD0

Accessibility & contrast

On white

7.94

#17586B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#17586B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17586B

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17586B	#FFFFFF	#000000	##FFFFFF
##17586B	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D566C

Deuteranopia (green-blind)

#414D6B

Tritanopia (blue-blind)

#005E5E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #17586b;
/* rgb */ color: rgb(23, 88, 107);
/* oklch */ color: oklch(43.0% 0.070 221.8);

Tailwind

colors: {
  custom: {
    50: '#628795',
    500: '#17586b',
    950: '#000000',
  },
}

SCSS

$custom: #17586b;
$custom-light: #628795;
$custom-dark: #000000;

JSON

{
  "hex": "#17586b",
  "rgb": {
    "r": 23,
    "g": 88,
    "b": 107
  },
  "hsl": {
    "h": 193.571,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.42953,
    "c": 0.06992,
    "h": 221.8
  },
  "luminance": 0.08223
}

Semantic roles & 50–950 ramp

primary

#17586B

secondary

#A1533D

accent

#6640E8

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #17586B

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

Preview Lab → · Contrast checker → · Palette generator →