#17366C#17366C

#17366C is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.2% C 0.101 H 260.6°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#17366C
RGB	rgb(23, 54, 108)
HSL	hsl(218, 65%, 26%)
HSV	hsv(218, 79%, 42%)
CMYK	cmyk(78.7%, 50%, 0%, 57.6%)
CIE-LAB	lab(23.35, 9.64, -34.78)
CIE-LCH	lch(23.35, 36.09, 285.49°)
OKLab	oklab(34.23% -0.0165 -0.0998)
OKLCH	oklch(34.23% 0.101 260.6)
XYZ	xyz(4.3783, 3.9027, 14.7070)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17366C #6C4D17

analogous

#17606C #17366C #23176C

triadic

#17366C #6C1736 #366C17

tetradic

#17366C #6C1760 #6C4D17 #176C23

square

#17366C #6C1760 #6C4D17 #176C23

split-complementary

#17366C #6C2317 #606C17

monochromatic

#050D19 #0C1D3A #17366C #224F9E #2C68D1

Accessibility & contrast

On white

11.79

#17366C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#17366C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17366C

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17366C	#FFFFFF	#000000	##FFFFFF
##17366C	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#183C6E

Deuteranopia (green-blind)

#02346B

Tritanopia (blue-blind)

#00434B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #17366c;
/* rgb */ color: rgb(23, 54, 108);
/* oklch */ color: oklch(34.2% 0.101 260.6);

Tailwind

colors: {
  custom: {
    50: '#626c96',
    500: '#17366c',
    950: '#000000',
  },
}

SCSS

$custom: #17366c;
$custom-light: #626c96;
$custom-dark: #000000;

JSON

{
  "hex": "#17366c",
  "rgb": {
    "r": 23,
    "g": 54,
    "b": 108
  },
  "hsl": {
    "h": 218.118,
    "s": 64.885,
    "l": 25.686
  },
  "oklch": {
    "l": 0.34231,
    "c": 0.10117,
    "h": 260.6
  },
  "luminance": 0.03903
}

Semantic roles & 50–950 ramp

primary

#17366C

secondary

#A27D3D

accent

#AB40E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #17366C

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

Preview Lab → · Contrast checker → · Palette generator →