#173D61#173D61

#173D61 is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.2% C 0.076 H 249.9°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#173D61
RGB	rgb(23, 61, 97)
HSL	hsl(209, 62%, 24%)
HSV	hsv(209, 76%, 38%)
CMYK	cmyk(76.3%, 37.1%, 0%, 62%)
CIE-LAB	lab(24.90, 0.19, -25.20)
CIE-LCH	lch(24.90, 25.20, 270.44°)
OKLab	oklab(35.21% -0.0262 -0.0716)
OKLCH	oklch(35.21% 0.076 249.9)
XYZ	xyz(4.1790, 4.3823, 11.9326)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173D61 #613B17

analogous

#176160 #173D61 #171861

triadic

#173D61 #61173D #3D6117

tetradic

#173D61 #601761 #613B17 #186117

square

#173D61 #601761 #613B17 #186117

split-complementary

#173D61 #611718 #616017

monochromatic

#061019 #0B1E30 #173D61 #235C92 #2E7BC4

Accessibility & contrast

On white

11.19

#173D61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#173D61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173D61

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173D61	#FFFFFF	#000000	##FFFFFF
##173D61	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3F63

Deuteranopia (green-blind)

#223860

Tritanopia (blue-blind)

#00464A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #173d61;
/* rgb */ color: rgb(23, 61, 97);
/* oklch */ color: oklch(35.2% 0.076 249.9);

Tailwind

colors: {
  custom: {
    50: '#5f728e',
    500: '#173d61',
    950: '#000000',
  },
}

SCSS

$custom: #173d61;
$custom-light: #5f728e;
$custom-dark: #000000;

JSON

{
  "hex": "#173d61",
  "rgb": {
    "r": 23,
    "g": 61,
    "b": 97
  },
  "hsl": {
    "h": 209.189,
    "s": 61.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.35205,
    "c": 0.07623,
    "h": 249.9
  },
  "luminance": 0.04383
}

Semantic roles & 50–950 ramp

primary

#173D61

secondary

#98693C

accent

#9243E5

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #173D61

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

Preview Lab → · Contrast checker → · Palette generator →