#175A6D#175A6D

#175A6D is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.6% C 0.071 H 221.3°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#175A6D
RGB	rgb(23, 90, 109)
HSL	hsl(193, 65%, 26%)
HSV	hsv(193, 79%, 43%)
CMYK	cmyk(78.9%, 17.4%, 0%, 57.3%)
CIE-LAB	lab(35.20, -13.43, -16.75)
CIE-LCH	lch(35.20, 21.47, 231.28°)
OKLab	oklab(43.59% -0.0534 -0.0469)
OKLCH	oklch(43.59% 0.071 221.3)
XYZ	xyz(6.7687, 8.5978, 15.7678)
Luminance	0.0860 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175A6D #6D2A17

analogous

#176D55 #175A6D #172F6D

triadic

#175A6D #6D175A #5A6D17

tetradic

#175A6D #55176D #6D2A17 #2F6D17

square

#175A6D #55176D #6D2A17 #2F6D17

split-complementary

#175A6D #6D172F #6D5517

monochromatic

#051519 #0C303A #175A6D #2284A0 #2CADD2

Accessibility & contrast

On white

7.72

#175A6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#175A6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175A6D

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175A6D	#FFFFFF	#000000	##FFFFFF
##175A6D	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F586E

Deuteranopia (green-blind)

#434F6D

Tritanopia (blue-blind)

#006060

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #175a6d;
/* rgb */ color: rgb(23, 90, 109);
/* oklch */ color: oklch(43.6% 0.071 221.3);

Tailwind

colors: {
  custom: {
    50: '#638897',
    500: '#175a6d',
    950: '#000000',
  },
}

SCSS

$custom: #175a6d;
$custom-light: #638897;
$custom-dark: #000000;

JSON

{
  "hex": "#175a6d",
  "rgb": {
    "r": 23,
    "g": 90,
    "b": 109
  },
  "hsl": {
    "h": 193.256,
    "s": 65.152,
    "l": 25.882
  },
  "oklch": {
    "l": 0.43589,
    "c": 0.07106,
    "h": 221.3
  },
  "luminance": 0.08599
}

Semantic roles & 50–950 ramp

primary

#175A6D

secondary

#A3533D

accent

#6540E8

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #175A6D

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

Preview Lab → · Contrast checker → · Palette generator →