#175A81#175A81

#175A81 is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.6% C 0.091 H 239.7°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#175A81
RGB	rgb(23, 90, 129)
HSL	hsl(202, 70%, 30%)
HSV	hsv(202, 82%, 51%)
CMYK	cmyk(82.2%, 30.2%, 0%, 49.4%)
CIE-LAB	lab(36.13, -5.87, -27.64)
CIE-LCH	lch(36.13, 28.26, 258.02°)
OKLab	oklab(44.65% -0.0457 -0.0783)
OKLCH	oklch(44.65% 0.091 239.7)
XYZ	xyz(7.9704, 9.0785, 22.0969)
Luminance	0.0908 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175A81 #813E17

analogous

#178173 #175A81 #172581

triadic

#175A81 #81175A #5A8117

tetradic

#175A81 #731781 #813E17 #258117

square

#175A81 #731781 #813E17 #258117

split-complementary

#175A81 #811725 #817317

monochromatic

#05121A #0E364D #175A81 #207EB5 #379FDB

Accessibility & contrast

On white

7.46

#175A81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#175A81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175A81

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175A81	#FFFFFF	#000000	##FFFFFF
##175A81	1.00	7.46	2.82	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485A83

Deuteranopia (green-blind)

#395180

Tritanopia (blue-blind)

#006468

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #175a81;
/* rgb */ color: rgb(23, 90, 129);
/* oklch */ color: oklch(44.6% 0.091 239.7);

Tailwind

colors: {
  custom: {
    50: '#6788a6',
    500: '#175a81',
    950: '#000000',
  },
}

SCSS

$custom: #175a81;
$custom-light: #6788a6;
$custom-dark: #000000;

JSON

{
  "hex": "#175a81",
  "rgb": {
    "r": 23,
    "g": 90,
    "b": 129
  },
  "hsl": {
    "h": 202.075,
    "s": 69.737,
    "l": 29.804
  },
  "oklch": {
    "l": 0.44645,
    "c": 0.09061,
    "h": 239.7
  },
  "luminance": 0.09079
}

Semantic roles & 50–950 ramp

primary

#175A81

secondary

#B56A3E

accent

#7C3BED

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #175A81

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

Preview Lab → · Contrast checker → · Palette generator →