#175A7A#175A7A

#175A7A is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.3% C 0.083 H 234.4°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#175A7A
RGB	rgb(23, 90, 122)
HSL	hsl(199, 68%, 28%)
HSV	hsv(199, 81%, 48%)
CMYK	cmyk(81.1%, 26.2%, 0%, 52.2%)
CIE-LAB	lab(35.79, -8.57, -23.88)
CIE-LCH	lch(35.79, 25.37, 250.27°)
OKLab	oklab(44.26% -0.0482 -0.0674)
OKLCH	oklch(44.26% 0.083 234.4)
XYZ	xyz(7.5210, 8.8987, 19.7298)
Luminance	0.0890 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175A7A #7A3717

analogous

#177A68 #175A7A #17287A

triadic

#175A7A #7A175A #5A7A17

tetradic

#175A7A #68177A #7A3717 #287A17

square

#175A7A #68177A #7A3717 #287A17

split-complementary

#175A7A #7A1728 #7A6817

monochromatic

#05131A #0D3447 #175A7A #2180AD #33A3D9

Accessibility & contrast

On white

7.55

#175A7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#175A7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175A7A

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175A7A	#FFFFFF	#000000	##FFFFFF
##175A7A	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A597B

Deuteranopia (green-blind)

#3D5079

Tritanopia (blue-blind)

#006265

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #175a7a;
/* rgb */ color: rgb(23, 90, 122);
/* oklch */ color: oklch(44.3% 0.083 234.4);

Tailwind

colors: {
  custom: {
    50: '#6588a0',
    500: '#175a7a',
    950: '#000000',
  },
}

SCSS

$custom: #175a7a;
$custom-light: #6588a0;
$custom-dark: #000000;

JSON

{
  "hex": "#175a7a",
  "rgb": {
    "r": 23,
    "g": 90,
    "b": 122
  },
  "hsl": {
    "h": 199.394,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.44256,
    "c": 0.08283,
    "h": 234.4
  },
  "luminance": 0.089
}

Semantic roles & 50–950 ramp

primary

#175A7A

secondary

#AF623E

accent

#753DEB

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #175A7A

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

Preview Lab → · Contrast checker → · Palette generator →