#172E3F#172E3F

#172E3F is a dark, muted cyan. Relative luminance 0.025; OKLCH L 29.1% C 0.043 H 242.2°. Best body text is #FFFFFF at 14.01:1 contrast (WCAG AA passes).

Color values

HEX	#172E3F
RGB	rgb(23, 46, 63)
HSL	hsl(206, 47%, 17%)
HSV	hsv(206, 63%, 25%)
CMYK	cmyk(63.5%, 27%, 0%, 75.3%)
CIE-LAB	lab(17.90, -3.02, -13.49)
CIE-LCH	lch(17.90, 13.83, 257.38°)
OKLab	oklab(29.08% -0.0199 -0.0377)
OKLCH	oklch(29.08% 0.043 242.2)
XYZ	xyz(2.2272, 2.4948, 5.0658)
Luminance	0.0249 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172E3F #3F2817

analogous

#173F3C #172E3F #171A3F

triadic

#172E3F #3F172E #2E3F17

tetradic

#172E3F #3C173F #3F2817 #1A3F17

square

#172E3F #3C173F #3F2817 #1A3F17

split-complementary

#172E3F #3F171A #3F3C17

monochromatic

#081016 #081016 #172E3F #274F6C #386F99

Accessibility & contrast

On white

14.01

#172E3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#172E3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172E3F

14.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172E3F	#FFFFFF	#000000	##FFFFFF
##172E3F	1.00	14.01	1.50	14.01
#FFFFFF	14.01	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272E40

Deuteranopia (green-blind)

#212A3F

Tritanopia (blue-blind)

#003234

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #172e3f;
/* rgb */ color: rgb(23, 46, 63);
/* oklch */ color: oklch(29.1% 0.043 242.2);

Tailwind

colors: {
  custom: {
    50: '#586674',
    500: '#172e3f',
    950: '#000000',
  },
}

SCSS

$custom: #172e3f;
$custom-light: #586674;
$custom-dark: #000000;

JSON

{
  "hex": "#172e3f",
  "rgb": {
    "r": 23,
    "g": 46,
    "b": 63
  },
  "hsl": {
    "h": 205.5,
    "s": 46.512,
    "l": 16.863
  },
  "oklch": {
    "l": 0.29079,
    "c": 0.04267,
    "h": 242.2
  },
  "luminance": 0.02495
}

Semantic roles & 50–950 ramp

primary

#172E3F

secondary

#76553C

accent

#8A52D6

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #172E3F

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

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