#17577A#17577A

#17577A is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.5% C 0.085 H 237.9°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#17577A
RGB	rgb(23, 87, 122)
HSL	hsl(201, 68%, 28%)
HSV	hsv(201, 81%, 48%)
CMYK	cmyk(81.1%, 28.7%, 0%, 52.2%)
CIE-LAB	lab(34.81, -6.73, -25.42)
CIE-LCH	lch(34.81, 26.29, 255.18°)
OKLab	oklab(43.48% -0.0451 -0.0718)
OKLCH	oklch(43.48% 0.085 237.9)
XYZ	xyz(7.2730, 8.4028, 19.6472)
Luminance	0.0840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17577A #7A3A17

analogous

#177A6B #17577A #17257A

triadic

#17577A #7A1757 #577A17

tetradic

#17577A #6B177A #7A3A17 #257A17

square

#17577A #6B177A #7A3A17 #257A17

split-complementary

#17577A #7A1725 #7A6B17

monochromatic

#05121A #0D3247 #17577A #217CAD #339ED9

Accessibility & contrast

On white

7.83

#17577A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#17577A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17577A

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17577A	#FFFFFF	#000000	##FFFFFF
##17577A	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46577C

Deuteranopia (green-blind)

#394E79

Tritanopia (blue-blind)

#006063

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #17577a;
/* rgb */ color: rgb(23, 87, 122);
/* oklch */ color: oklch(43.5% 0.085 237.9);

Tailwind

colors: {
  custom: {
    50: '#6586a0',
    500: '#17577a',
    950: '#000000',
  },
}

SCSS

$custom: #17577a;
$custom-light: #6586a0;
$custom-dark: #000000;

JSON

{
  "hex": "#17577a",
  "rgb": {
    "r": 23,
    "g": 87,
    "b": 122
  },
  "hsl": {
    "h": 201.212,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.43476,
    "c": 0.08483,
    "h": 237.9
  },
  "luminance": 0.08404
}

Semantic roles & 50–950 ramp

primary

#17577A

secondary

#AF663E

accent

#7A3DEB

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #17577A

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

Preview Lab → · Contrast checker → · Palette generator →