#175A6C#175A6C

#175A6C is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.5% C 0.070 H 220.1°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#175A6C
RGB	rgb(23, 90, 108)
HSL	hsl(193, 65%, 26%)
HSV	hsv(193, 79%, 42%)
CMYK	cmyk(78.7%, 16.7%, 0%, 57.6%)
CIE-LAB	lab(35.16, -13.80, -16.20)
CIE-LCH	lch(35.16, 21.28, 229.58°)
OKLab	oklab(43.54% -0.0538 -0.0453)
OKLCH	oklch(43.54% 0.07 220.1)
XYZ	xyz(6.7152, 8.5764, 15.4859)
Luminance	0.0858 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175A6C #6C2917

analogous

#176C53 #175A6C #172F6C

triadic

#175A6C #6C175A #5A6C17

tetradic

#175A6C #53176C #6C2917 #2F6C17

square

#175A6C #53176C #6C2917 #2F6C17

split-complementary

#175A6C #6C172F #6C5317

monochromatic

#051519 #0C303A #175A6C #22849E #2CAED1

Accessibility & contrast

On white

7.73

#175A6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#175A6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175A6C

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175A6C	#FFFFFF	#000000	##FFFFFF
##175A6C	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F576D

Deuteranopia (green-blind)

#434F6C

Tritanopia (blue-blind)

#006060

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #175a6c;
/* rgb */ color: rgb(23, 90, 108);
/* oklch */ color: oklch(43.5% 0.070 220.1);

Tailwind

colors: {
  custom: {
    50: '#638896',
    500: '#175a6c',
    950: '#000000',
  },
}

SCSS

$custom: #175a6c;
$custom-light: #638896;
$custom-dark: #000000;

JSON

{
  "hex": "#175a6c",
  "rgb": {
    "r": 23,
    "g": 90,
    "b": 108
  },
  "hsl": {
    "h": 192.706,
    "s": 64.885,
    "l": 25.686
  },
  "oklch": {
    "l": 0.4354,
    "c": 0.07035,
    "h": 220.1
  },
  "luminance": 0.08577
}

Semantic roles & 50–950 ramp

primary

#175A6C

secondary

#A2523D

accent

#6340E8

background

#F6F8F9

surface

#EBF0F1

border

#C6CBCB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #175A6C

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

Preview Lab → · Contrast checker → · Palette generator →