#172E38#172E38

#172E38 is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.7% C 0.034 H 227.9°. Best body text is #FFFFFF at 14.15:1 contrast (WCAG AA passes).

Color values

HEX	#172E38
RGB	rgb(23, 46, 56)
HSL	hsl(198, 42%, 15%)
HSV	hsv(198, 59%, 22%)
CMYK	cmyk(58.9%, 17.9%, 0%, 78%)
CIE-LAB	lab(17.56, -5.61, -9.18)
CIE-LCH	lch(17.56, 10.76, 238.54°)
OKLab	oklab(28.7% -0.023 -0.0254)
OKLCH	oklch(28.7% 0.034 227.9)
XYZ	xyz(2.0439, 2.4215, 4.1003)
Luminance	0.0242 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172E38 #382117

analogous

#173831 #172E38 #171D38

triadic

#172E38 #38172E #2E3817

tetradic

#172E38 #311738 #382117 #1D3817

square

#172E38 #311738 #382117 #1D3817

split-complementary

#172E38 #38171D #383117

monochromatic

#091216 #091216 #172E38 #295263 #3B758F

Accessibility & contrast

On white

14.15

#172E38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#172E38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172E38

14.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172E38	#FFFFFF	#000000	##FFFFFF
##172E38	1.00	14.15	1.48	14.15
#FFFFFF	14.15	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292D39

Deuteranopia (green-blind)

#242938

Tritanopia (blue-blind)

#053131

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #172e38;
/* rgb */ color: rgb(23, 46, 56);
/* oklch */ color: oklch(28.7% 0.034 227.9);

Tailwind

colors: {
  custom: {
    50: '#57666e',
    500: '#172e38',
    950: '#000000',
  },
}

SCSS

$custom: #172e38;
$custom-light: #57666e;
$custom-dark: #000000;

JSON

{
  "hex": "#172e38",
  "rgb": {
    "r": 23,
    "g": 46,
    "b": 56
  },
  "hsl": {
    "h": 198.182,
    "s": 41.772,
    "l": 15.49
  },
  "oklch": {
    "l": 0.28702,
    "c": 0.03427,
    "h": 227.9
  },
  "luminance": 0.02422
}

Semantic roles & 50–950 ramp

primary

#172E38

secondary

#6E4C3C

accent

#7C56D2

background

#F5F6F6

surface

#E9EBEB

border

#C5C6C6

text

#030607

muted

#787A7A

Preview Lab

Preview with #172E38

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

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