#17364B#17364B

#17364B is a dark, muted cyan. Relative luminance 0.033; OKLCH L 32.0% C 0.053 H 240.7°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#17364B
RGB	rgb(23, 54, 75)
HSL	hsl(204, 53%, 19%)
HSV	hsv(204, 69%, 29%)
CMYK	cmyk(69.3%, 28%, 0%, 70.6%)
CIE-LAB	lab(21.31, -3.84, -16.33)
CIE-LCH	lch(21.31, 16.77, 256.76°)
OKLab	oklab(31.99% -0.0257 -0.0459)
OKLCH	oklch(31.99% 0.053 240.7)
XYZ	xyz(2.9420, 3.3282, 7.1426)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17364B #4B2C17

analogous

#174B46 #17364B #171C4B

triadic

#17364B #4B1736 #364B17

tetradic

#17364B #46174B #4B2C17 #1C4B17

square

#17364B #46174B #4B2C17 #1C4B17

split-complementary

#17364B #4B171C #4B4617

monochromatic

#071117 #09141C #17364B #25587A #3479A9

Accessibility & contrast

On white

12.61

#17364B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#17364B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17364B

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17364B	#FFFFFF	#000000	##FFFFFF
##17364B	1.00	12.61	1.67	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D364C

Deuteranopia (green-blind)

#25314B

Tritanopia (blue-blind)

#003B3D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #17364b;
/* rgb */ color: rgb(23, 54, 75);
/* oklch */ color: oklch(32.0% 0.053 240.7);

Tailwind

colors: {
  custom: {
    50: '#5a6c7d',
    500: '#17364b',
    950: '#000000',
  },
}

SCSS

$custom: #17364b;
$custom-light: #5a6c7d;
$custom-dark: #000000;

JSON

{
  "hex": "#17364b",
  "rgb": {
    "r": 23,
    "g": 54,
    "b": 75
  },
  "hsl": {
    "h": 204.231,
    "s": 53.061,
    "l": 19.216
  },
  "oklch": {
    "l": 0.31985,
    "c": 0.05257,
    "h": 240.7
  },
  "luminance": 0.03328
}

Semantic roles & 50–950 ramp

primary

#17364B

secondary

#82583C

accent

#864BDC

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #17364B

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

Preview Lab → · Contrast checker → · Palette generator →