#175A7E#175A7E

#175A7E is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.5% C 0.087 H 237.6°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#175A7E
RGB	rgb(23, 90, 126)
HSL	hsl(201, 69%, 29%)
HSV	hsv(201, 82%, 49%)
CMYK	cmyk(81.7%, 28.6%, 0%, 50.6%)
CIE-LAB	lab(35.98, -7.03, -26.04)
CIE-LCH	lch(35.98, 26.97, 254.89°)
OKLab	oklab(44.48% -0.0467 -0.0736)
OKLCH	oklch(44.48% 0.087 237.6)
XYZ	xyz(7.7739, 8.9999, 21.0621)
Luminance	0.0900 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175A7E #7E3B17

analogous

#177E6F #175A7E #17267E

triadic

#175A7E #7E175A #5A7E17

tetradic

#175A7E #6F177E #7E3B17 #267E17

square

#175A7E #6F177E #7E3B17 #267E17

split-complementary

#175A7E #7E1726 #7E6F17

monochromatic

#05121A #0E354A #175A7E #207FB2 #35A1DA

Accessibility & contrast

On white

7.50

#175A7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#175A7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175A7E

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175A7E	#FFFFFF	#000000	##FFFFFF
##175A7E	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#495A80

Deuteranopia (green-blind)

#3B507D

Tritanopia (blue-blind)

#006366

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #175a7e;
/* rgb */ color: rgb(23, 90, 126);
/* oklch */ color: oklch(44.5% 0.087 237.6);

Tailwind

colors: {
  custom: {
    50: '#6688a3',
    500: '#175a7e',
    950: '#000000',
  },
}

SCSS

$custom: #175a7e;
$custom-light: #6688a3;
$custom-dark: #000000;

JSON

{
  "hex": "#175a7e",
  "rgb": {
    "r": 23,
    "g": 90,
    "b": 126
  },
  "hsl": {
    "h": 200.971,
    "s": 69.128,
    "l": 29.216
  },
  "oklch": {
    "l": 0.44476,
    "c": 0.08718,
    "h": 237.6
  },
  "luminance": 0.09001
}

Semantic roles & 50–950 ramp

primary

#175A7E

secondary

#B3673E

accent

#793CEC

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #175A7E

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

Preview Lab → · Contrast checker → · Palette generator →