#173C6C#173C6C

#173C6C is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.7% C 0.093 H 256.2°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#173C6C
RGB	rgb(23, 60, 108)
HSL	hsl(214, 65%, 26%)
HSV	hsv(214, 79%, 42%)
CMYK	cmyk(78.7%, 44.4%, 0%, 57.6%)
CIE-LAB	lab(25.25, 5.40, -31.73)
CIE-LCH	lch(25.25, 32.19, 279.66°)
OKLab	oklab(35.7% -0.0222 -0.0907)
OKLCH	oklch(35.7% 0.093 256.2)
XYZ	xyz(4.6750, 4.4961, 14.8059)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173C6C #6C4717

analogous

#17666C #173C6C #1C176C

triadic

#173C6C #6C173C #3C6C17

tetradic

#173C6C #6C1766 #6C4717 #176C1C

square

#173C6C #6C1766 #6C4717 #176C1C

split-complementary

#173C6C #6C1C17 #666C17

monochromatic

#050E19 #0C203A #173C6C #22589E #2C74D1

Accessibility & contrast

On white

11.06

#173C6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#173C6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173C6C

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173C6C	#FFFFFF	#000000	##FFFFFF
##173C6C	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25406E

Deuteranopia (green-blind)

#16386B

Tritanopia (blue-blind)

#00474E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #173c6c;
/* rgb */ color: rgb(23, 60, 108);
/* oklch */ color: oklch(35.7% 0.093 256.2);

Tailwind

colors: {
  custom: {
    50: '#617196',
    500: '#173c6c',
    950: '#000000',
  },
}

SCSS

$custom: #173c6c;
$custom-light: #617196;
$custom-dark: #000000;

JSON

{
  "hex": "#173c6c",
  "rgb": {
    "r": 23,
    "g": 60,
    "b": 108
  },
  "hsl": {
    "h": 213.882,
    "s": 64.885,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35699,
    "c": 0.09341,
    "h": 256.2
  },
  "luminance": 0.04497
}

Semantic roles & 50–950 ramp

primary

#173C6C

secondary

#A2763D

accent

#9F40E8

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #173C6C

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

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