#172D45#172D45

#172D45 is a dark, muted cyan. Relative luminance 0.025; OKLCH L 29.2% C 0.052 H 251.9°. Best body text is #FFFFFF at 14.02:1 contrast (WCAG AA passes).

Color values

HEX	#172D45
RGB	rgb(23, 45, 69)
HSL	hsl(211, 50%, 18%)
HSV	hsv(211, 67%, 27%)
CMYK	cmyk(66.7%, 34.8%, 0%, 72.9%)
CIE-LAB	lab(17.87, 0.01, -17.65)
CIE-LCH	lch(17.87, 17.65, 270.02°)
OKLab	oklab(29.16% -0.0163 -0.0498)
OKLCH	oklch(29.16% 0.052 251.9)
XYZ	xyz(2.3655, 2.4884, 5.9847)
Luminance	0.0249 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172D45 #452F17

analogous

#174445 #172D45 #181745

triadic

#172D45 #45172D #2D4517

tetradic

#172D45 #451744 #452F17 #174518

square

#172D45 #451744 #452F17 #174518

split-complementary

#172D45 #451817 #444517

monochromatic

#080F17 #080F17 #172D45 #264B73 #3669A1

Accessibility & contrast

On white

14.02

#172D45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#172D45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172D45

14.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172D45	#FFFFFF	#000000	##FFFFFF
##172D45	1.00	14.02	1.50	14.02
#FFFFFF	14.02	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232E46

Deuteranopia (green-blind)

#1D2A45

Tritanopia (blue-blind)

#003336

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #172d45;
/* rgb */ color: rgb(23, 45, 69);
/* oklch */ color: oklch(29.2% 0.052 251.9);

Tailwind

colors: {
  custom: {
    50: '#596578',
    500: '#172d45',
    950: '#000000',
  },
}

SCSS

$custom: #172d45;
$custom-light: #596578;
$custom-dark: #000000;

JSON

{
  "hex": "#172d45",
  "rgb": {
    "r": 23,
    "g": 45,
    "b": 69
  },
  "hsl": {
    "h": 211.304,
    "s": 50,
    "l": 18.039
  },
  "oklch": {
    "l": 0.29162,
    "c": 0.05237,
    "h": 251.9
  },
  "luminance": 0.02489
}

Semantic roles & 50–950 ramp

primary

#172D45

secondary

#7C5D3C

accent

#974EDA

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040509

muted

#797A7B

Preview Lab

Preview with #172D45

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

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