#172F3D#172F3D

#172F3D is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.3% C 0.039 H 235.9°. Best body text is #FFFFFF at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#172F3D
RGB	rgb(23, 47, 61)
HSL	hsl(202, 45%, 16%)
HSV	hsv(202, 62%, 24%)
CMYK	cmyk(62.3%, 23%, 0%, 76.1%)
CIE-LAB	lab(18.15, -4.45, -11.72)
CIE-LCH	lch(18.15, 12.54, 249.19°)
OKLab	oklab(29.25% -0.0221 -0.0327)
OKLCH	oklch(29.25% 0.039 235.9)
XYZ	xyz(2.2119, 2.5519, 4.7900)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172F3D #3D2517

analogous

#173D38 #172F3D #171C3D

triadic

#172F3D #3D172F #2F3D17

tetradic

#172F3D #38173D #3D2517 #1C3D17

square

#172F3D #38173D #3D2517 #1C3D17

split-complementary

#172F3D #3D171C #3D3817

monochromatic

#081116 #081116 #172F3D #285169 #397396

Accessibility & contrast

On white

13.90

#172F3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#172F3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172F3D

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172F3D	#FFFFFF	#000000	##FFFFFF
##172F3D	1.00	13.90	1.51	13.90
#FFFFFF	13.90	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282F3E

Deuteranopia (green-blind)

#232B3D

Tritanopia (blue-blind)

#013334

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #172f3d;
/* rgb */ color: rgb(23, 47, 61);
/* oklch */ color: oklch(29.3% 0.039 235.9);

Tailwind

colors: {
  custom: {
    50: '#586772',
    500: '#172f3d',
    950: '#000000',
  },
}

SCSS

$custom: #172f3d;
$custom-light: #586772;
$custom-dark: #000000;

JSON

{
  "hex": "#172f3d",
  "rgb": {
    "r": 23,
    "g": 47,
    "b": 61
  },
  "hsl": {
    "h": 202.105,
    "s": 45.238,
    "l": 16.471
  },
  "oklch": {
    "l": 0.2925,
    "c": 0.03947,
    "h": 235.9
  },
  "luminance": 0.02552
}

Semantic roles & 50–950 ramp

primary

#172F3D

secondary

#74513C

accent

#8353D5

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #172F3D

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

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