#172D3E#172D3E

#172D3E is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.7% C 0.042 H 243.3°. Best body text is #FFFFFF at 14.18:1 contrast (WCAG AA passes).

Color values

HEX	#172D3E
RGB	rgb(23, 45, 62)
HSL	hsl(206, 46%, 17%)
HSV	hsv(206, 63%, 24%)
CMYK	cmyk(62.9%, 27.4%, 0%, 75.7%)
CIE-LAB	lab(17.49, -2.71, -13.43)
CIE-LCH	lch(17.49, 13.70, 258.59°)
OKLab	oklab(28.74% -0.0189 -0.0376)
OKLCH	oklch(28.74% 0.042 243.3)
XYZ	xyz(2.1609, 2.4065, 4.9071)
Luminance	0.0241 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172D3E #3E2817

analogous

#173E3C #172D3E #171A3E

triadic

#172D3E #3E172D #2D3E17

tetradic

#172D3E #3C173E #3E2817 #1A3E17

square

#172D3E #3C173E #3E2817 #1A3E17

split-complementary

#172D3E #3E171A #3E3C17

monochromatic

#081016 #081016 #172D3E #284D6B #386E97

Accessibility & contrast

On white

14.18

#172D3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#172D3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172D3E

14.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172D3E	#FFFFFF	#000000	##FFFFFF
##172D3E	1.00	14.18	1.48	14.18
#FFFFFF	14.18	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262D3F

Deuteranopia (green-blind)

#20293E

Tritanopia (blue-blind)

#003133

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #172d3e;
/* rgb */ color: rgb(23, 45, 62);
/* oklch */ color: oklch(28.7% 0.042 243.3);

Tailwind

colors: {
  custom: {
    50: '#586573',
    500: '#172d3e',
    950: '#000000',
  },
}

SCSS

$custom: #172d3e;
$custom-light: #586573;
$custom-dark: #000000;

JSON

{
  "hex": "#172d3e",
  "rgb": {
    "r": 23,
    "g": 45,
    "b": 62
  },
  "hsl": {
    "h": 206.154,
    "s": 45.882,
    "l": 16.667
  },
  "oklch": {
    "l": 0.28743,
    "c": 0.04207,
    "h": 243.3
  },
  "luminance": 0.02407
}

Semantic roles & 50–950 ramp

primary

#172D3E

secondary

#75553C

accent

#8B52D6

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030508

muted

#787A7B

Preview Lab

Preview with #172D3E

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

Preview Lab → · Contrast checker → · Palette generator →