#175A6F#175A6F

#175A6F is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.7% C 0.073 H 223.6°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#175A6F
RGB	rgb(23, 90, 111)
HSL	hsl(194, 66%, 26%)
HSV	hsv(194, 79%, 44%)
CMYK	cmyk(79.3%, 18.9%, 0%, 56.5%)
CIE-LAB	lab(35.28, -12.70, -17.86)
CIE-LCH	lch(35.28, 21.92, 234.59°)
OKLab	oklab(43.69% -0.0526 -0.05)
OKLCH	oklch(43.69% 0.073 223.6)
XYZ	xyz(6.8776, 8.6414, 16.3413)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175A6F #6F2C17

analogous

#176F58 #175A6F #172E6F

triadic

#175A6F #6F175A #5A6F17

tetradic

#175A6F #58176F #6F2C17 #2E6F17

square

#175A6F #58176F #6F2C17 #2E6F17

split-complementary

#175A6F #6F172E #6F5817

monochromatic

#051519 #0C313C #175A6F #2283A2 #2DACD3

Accessibility & contrast

On white

7.70

#175A6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#175A6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175A6F

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175A6F	#FFFFFF	#000000	##FFFFFF
##175A6F	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5870

Deuteranopia (green-blind)

#424F6F

Tritanopia (blue-blind)

#006061

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #175a6f;
/* rgb */ color: rgb(23, 90, 111);
/* oklch */ color: oklch(43.7% 0.073 223.6);

Tailwind

colors: {
  custom: {
    50: '#638898',
    500: '#175a6f',
    950: '#000000',
  },
}

SCSS

$custom: #175a6f;
$custom-light: #638898;
$custom-dark: #000000;

JSON

{
  "hex": "#175a6f",
  "rgb": {
    "r": 23,
    "g": 90,
    "b": 111
  },
  "hsl": {
    "h": 194.318,
    "s": 65.672,
    "l": 26.275
  },
  "oklch": {
    "l": 0.43687,
    "c": 0.07257,
    "h": 223.6
  },
  "luminance": 0.08642
}

Semantic roles & 50–950 ramp

primary

#175A6F

secondary

#A5563D

accent

#683FE9

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #175A6F

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

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