#175780#175780

#175780 is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.8% C 0.092 H 242.1°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#175780
RGB	rgb(23, 87, 128)
HSL	hsl(203, 70%, 30%)
HSV	hsv(203, 82%, 50%)
CMYK	cmyk(82%, 32%, 0%, 49.8%)
CIE-LAB	lab(35.12, -4.39, -28.63)
CIE-LCH	lch(35.12, 28.97, 261.29°)
OKLab	oklab(43.82% -0.043 -0.0812)
OKLCH	oklch(43.82% 0.092 242.1)
XYZ	xyz(7.6563, 8.5561, 21.6659)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175780 #804017

analogous

#178075 #175780 #172280

triadic

#175780 #801757 #578017

tetradic

#175780 #751780 #804017 #228017

square

#175780 #751780 #804017 #228017

split-complementary

#175780 #801722 #807517

monochromatic

#05121A #0E344C #175780 #207AB4 #369BDB

Accessibility & contrast

On white

7.75

#175780 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#175780 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175780

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175780	#FFFFFF	#000000	##FFFFFF
##175780	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#445882

Deuteranopia (green-blind)

#354E7F

Tritanopia (blue-blind)

#006166

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #175780;
/* rgb */ color: rgb(23, 87, 128);
/* oklch */ color: oklch(43.8% 0.092 242.1);

Tailwind

colors: {
  custom: {
    50: '#6686a5',
    500: '#175780',
    950: '#000000',
  },
}

SCSS

$custom: #175780;
$custom-light: #6686a5;
$custom-dark: #000000;

JSON

{
  "hex": "#175780",
  "rgb": {
    "r": 23,
    "g": 87,
    "b": 128
  },
  "hsl": {
    "h": 203.429,
    "s": 69.536,
    "l": 29.608
  },
  "oklch": {
    "l": 0.4382,
    "c": 0.0919,
    "h": 242.1
  },
  "luminance": 0.08557
}

Semantic roles & 50–950 ramp

primary

#175780

secondary

#B46C3E

accent

#813BEC

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #175780

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

Preview Lab → · Contrast checker → · Palette generator →