#17566D#17566D

#17566D is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.5% C 0.072 H 227.1°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#17566D
RGB	rgb(23, 86, 109)
HSL	hsl(196, 65%, 26%)
HSV	hsv(196, 79%, 43%)
CMYK	cmyk(78.9%, 21.1%, 0%, 57.3%)
CIE-LAB	lab(33.86, -11.07, -18.82)
CIE-LCH	lch(33.86, 21.83, 239.53°)
OKLab	oklab(42.52% -0.0491 -0.0528)
OKLCH	oklch(42.52% 0.072 227.1)
XYZ	xyz(6.4403, 7.9411, 15.6584)
Luminance	0.0794 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17566D #6D2E17

analogous

#176D59 #17566D #172B6D

triadic

#17566D #6D1756 #566D17

tetradic

#17566D #59176D #6D2E17 #2B6D17

square

#17566D #59176D #6D2E17 #2B6D17

split-complementary

#17566D #6D172B #6D5917

monochromatic

#051419 #0C2E3A #17566D #227EA0 #2CA6D2

Accessibility & contrast

On white

8.11

#17566D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#17566D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17566D

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17566D	#FFFFFF	#000000	##FFFFFF
##17566D	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A546E

Deuteranopia (green-blind)

#3E4C6D

Tritanopia (blue-blind)

#005D5E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #17566d;
/* rgb */ color: rgb(23, 86, 109);
/* oklch */ color: oklch(42.5% 0.072 227.1);

Tailwind

colors: {
  custom: {
    50: '#628597',
    500: '#17566d',
    950: '#000000',
  },
}

SCSS

$custom: #17566d;
$custom-light: #628597;
$custom-dark: #000000;

JSON

{
  "hex": "#17566d",
  "rgb": {
    "r": 23,
    "g": 86,
    "b": 109
  },
  "hsl": {
    "h": 196.047,
    "s": 65.152,
    "l": 25.882
  },
  "oklch": {
    "l": 0.42516,
    "c": 0.07209,
    "h": 227.1
  },
  "luminance": 0.07942
}

Semantic roles & 50–950 ramp

primary

#17566D

secondary

#A3583D

accent

#6D40E8

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #17566D

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

Preview Lab → · Contrast checker → · Palette generator →