#175579#175579

#175579 is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 42.9% C 0.085 H 239.3°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#175579
RGB	rgb(23, 85, 121)
HSL	hsl(202, 68%, 28%)
HSV	hsv(202, 81%, 47%)
CMYK	cmyk(81%, 29.8%, 0%, 52.5%)
CIE-LAB	lab(34.10, -5.87, -25.90)
CIE-LCH	lch(34.10, 26.56, 257.23°)
OKLab	oklab(42.9% -0.0434 -0.0733)
OKLCH	oklch(42.9% 0.085 239.3)
XYZ	xyz(7.0517, 8.0588, 19.2693)
Luminance	0.0806 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175579 #793B17

analogous

#17796C #175579 #172479

triadic

#175579 #791755 #557917

tetradic

#175579 #6C1779 #793B17 #247917

square

#175579 #6C1779 #793B17 #247917

split-complementary

#175579 #791724 #796C17

monochromatic

#05121A #0D3146 #175579 #2179AC #329BD8

Accessibility & contrast

On white

8.04

#175579 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#175579 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175579

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175579	#FFFFFF	#000000	##FFFFFF
##175579	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44557B

Deuteranopia (green-blind)

#374C78

Tritanopia (blue-blind)

#005E62

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #175579;
/* rgb */ color: rgb(23, 85, 121);
/* oklch */ color: oklch(42.9% 0.085 239.3);

Tailwind

colors: {
  custom: {
    50: '#6584a0',
    500: '#175579',
    950: '#000000',
  },
}

SCSS

$custom: #175579;
$custom-light: #6584a0;
$custom-dark: #000000;

JSON

{
  "hex": "#175579",
  "rgb": {
    "r": 23,
    "g": 85,
    "b": 121
  },
  "hsl": {
    "h": 202.041,
    "s": 68.056,
    "l": 28.235
  },
  "oklch": {
    "l": 0.42901,
    "c": 0.08518,
    "h": 239.3
  },
  "luminance": 0.0806
}

Semantic roles & 50–950 ramp

primary

#175579

secondary

#AE673E

accent

#7D3DEB

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #175579

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

Preview Lab → · Contrast checker → · Palette generator →