#175A9E#175A9E

#175A9E is a mid, vivid cyan. Relative luminance 0.100; OKLCH L 46.5% C 0.128 H 253.0°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#175A9E
RGB	rgb(23, 90, 158)
HSL	hsl(210, 75%, 35%)
HSV	hsv(210, 85%, 62%)
CMYK	cmyk(85.4%, 43%, 0%, 38%)
CIE-LAB	lab(37.77, 5.66, -42.61)
CIE-LCH	lch(37.77, 42.98, 277.56°)
OKLab	oklab(46.47% -0.0374 -0.1221)
OKLCH	oklch(46.47% 0.128 253)
XYZ	xyz(10.1787, 9.9618, 33.7275)
Luminance	0.0996 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175A9E #9E5B17

analogous

#179D9E #175A9E #17179E

triadic

#175A9E #9E175A #5A9E17

tetradic

#175A9E #9E179D #9E5B17 #179E17

square

#175A9E #9E179D #9E5B17 #179E17

split-complementary

#175A9E #9E1717 #9D9E17

monochromatic

#071D33 #0F3C69 #175A9E #1F78D3 #4B97E5

Accessibility & contrast

On white

7.02

#175A9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#175A9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175A9E

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175A9E	#FFFFFF	#000000	##FFFFFF
##175A9E	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385FA1

Deuteranopia (green-blind)

#1E539D

Tritanopia (blue-blind)

#006A74

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #175a9e;
/* rgb */ color: rgb(23, 90, 158);
/* oklch */ color: oklch(46.5% 0.128 253.0);

Tailwind

colors: {
  custom: {
    50: '#6d88bb',
    500: '#175a9e',
    950: '#000000',
  },
}

SCSS

$custom: #175a9e;
$custom-light: #6d88bb;
$custom-dark: #000000;

JSON

{
  "hex": "#175a9e",
  "rgb": {
    "r": 23,
    "g": 90,
    "b": 158
  },
  "hsl": {
    "h": 210.222,
    "s": 74.586,
    "l": 35.49
  },
  "oklch": {
    "l": 0.46467,
    "c": 0.12769,
    "h": 253
  },
  "luminance": 0.09963
}

Semantic roles & 50–950 ramp

primary

#175A9E

secondary

#C6894A

accent

#9537F1

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #175A9E

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

Preview Lab → · Contrast checker → · Palette generator →