#175664#175664

#175664 is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.1% C 0.065 H 216.0°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#175664
RGB	rgb(23, 86, 100)
HSL	hsl(191, 63%, 24%)
HSV	hsv(191, 77%, 39%)
CMYK	cmyk(77%, 14%, 0%, 60.8%)
CIE-LAB	lab(33.47, -14.37, -13.78)
CIE-LCH	lch(33.47, 19.91, 223.79°)
OKLab	oklab(42.08% -0.053 -0.0384)
OKLCH	oklch(42.08% 0.065 216)
XYZ	xyz(5.9804, 7.7571, 13.2362)
Luminance	0.0776 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175664 #642517

analogous

#17644C #175664 #173064

triadic

#175664 #641756 #566417

tetradic

#175664 #4C1764 #642517 #306417

square

#175664 #4C1764 #642517 #306417

split-complementary

#175664 #641730 #644C17

monochromatic

#061519 #0C2B32 #175664 #228196 #2EACC8

Accessibility & contrast

On white

8.23

#175664 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#175664 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175664

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175664	#FFFFFF	#000000	##FFFFFF
##175664	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5365

Deuteranopia (green-blind)

#424B64

Tritanopia (blue-blind)

#005B5A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #175664;
/* rgb */ color: rgb(23, 86, 100);
/* oklch */ color: oklch(42.1% 0.065 216.0);

Tailwind

colors: {
  custom: {
    50: '#618590',
    500: '#175664',
    950: '#000000',
  },
}

SCSS

$custom: #175664;
$custom-light: #618590;
$custom-dark: #000000;

JSON

{
  "hex": "#175664",
  "rgb": {
    "r": 23,
    "g": 86,
    "b": 100
  },
  "hsl": {
    "h": 190.909,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.42076,
    "c": 0.06543,
    "h": 216
  },
  "luminance": 0.07758
}

Semantic roles & 50–950 ramp

primary

#175664

secondary

#9A4D3C

accent

#6042E6

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#060B0C

muted

#7A7C7D

Preview Lab

Preview with #175664

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

Preview Lab → · Contrast checker → · Palette generator →