#172C47#172C47

#172C47 is a dark, muted cyan. Relative luminance 0.024; OKLCH L 29.0% C 0.057 H 255.4°. Best body text is #FFFFFF at 14.12:1 contrast (WCAG AA passes).

Color values

HEX	#172C47
RGB	rgb(23, 44, 71)
HSL	hsl(214, 51%, 18%)
HSV	hsv(214, 68%, 28%)
CMYK	cmyk(67.6%, 38%, 0%, 72.2%)
CIE-LAB	lab(17.64, 1.52, -19.38)
CIE-LCH	lch(17.64, 19.44, 274.48°)
OKLab	oklab(29.02% -0.0143 -0.0548)
OKLCH	oklch(29.02% 0.057 255.4)
XYZ	xyz(2.3910, 2.4382, 6.3046)
Luminance	0.0244 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172C47 #473217

analogous

#174447 #172C47 #1A1747

triadic

#172C47 #47172C #2C4717

tetradic

#172C47 #471744 #473217 #17471A

square

#172C47 #471744 #473217 #17471A

split-complementary

#172C47 #471A17 #444717

monochromatic

#070E17 #080F19 #172C47 #264975 #3565A3

Accessibility & contrast

On white

14.12

#172C47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#172C47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172C47

14.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172C47	#FFFFFF	#000000	##FFFFFF
##172C47	1.00	14.12	1.49	14.12
#FFFFFF	14.12	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#212E48

Deuteranopia (green-blind)

#1A2946

Tritanopia (blue-blind)

#003236

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #172c47;
/* rgb */ color: rgb(23, 44, 71);
/* oklch */ color: oklch(29.0% 0.057 255.4);

Tailwind

colors: {
  custom: {
    50: '#59647a',
    500: '#172c47',
    950: '#000000',
  },
}

SCSS

$custom: #172c47;
$custom-light: #59647a;
$custom-dark: #000000;

JSON

{
  "hex": "#172c47",
  "rgb": {
    "r": 23,
    "g": 44,
    "b": 71
  },
  "hsl": {
    "h": 213.75,
    "s": 51.064,
    "l": 18.431
  },
  "oklch": {
    "l": 0.2902,
    "c": 0.05665,
    "h": 255.4
  },
  "luminance": 0.02438
}

Semantic roles & 50–950 ramp

primary

#172C47

secondary

#7E613C

accent

#9D4DDB

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040509

muted

#797A7B

Preview Lab

Preview with #172C47

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

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