#17366F#17366F

#17366F is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.5% C 0.106 H 261.3°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#17366F
RGB	rgb(23, 54, 111)
HSL	hsl(219, 66%, 26%)
HSV	hsv(219, 79%, 44%)
CMYK	cmyk(79.3%, 51.4%, 0%, 56.5%)
CIE-LAB	lab(23.56, 10.89, -36.35)
CIE-LCH	lch(23.56, 37.95, 286.67°)
OKLab	oklab(34.47% -0.016 -0.1045)
OKLCH	oklch(34.47% 0.106 261.3)
XYZ	xyz(4.5407, 3.9677, 15.5624)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17366F #6F5017

analogous

#17626F #17366F #24176F

triadic

#17366F #6F1736 #366F17

tetradic

#17366F #6F1762 #6F5017 #176F24

square

#17366F #6F1762 #6F5017 #176F24

split-complementary

#17366F #6F2417 #626F17

monochromatic

#050C19 #0C1D3C #17366F #224FA2 #2D68D3

Accessibility & contrast

On white

11.71

#17366F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#17366F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17366F

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17366F	#FFFFFF	#000000	##FFFFFF
##17366F	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153C71

Deuteranopia (green-blind)

#00346E

Tritanopia (blue-blind)

#00444D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #17366f;
/* rgb */ color: rgb(23, 54, 111);
/* oklch */ color: oklch(34.5% 0.106 261.3);

Tailwind

colors: {
  custom: {
    50: '#626c99',
    500: '#17366f',
    950: '#000000',
  },
}

SCSS

$custom: #17366f;
$custom-light: #626c99;
$custom-dark: #000000;

JSON

{
  "hex": "#17366f",
  "rgb": {
    "r": 23,
    "g": 54,
    "b": 111
  },
  "hsl": {
    "h": 218.864,
    "s": 65.672,
    "l": 26.275
  },
  "oklch": {
    "l": 0.34467,
    "c": 0.10567,
    "h": 261.3
  },
  "luminance": 0.03968
}

Semantic roles & 50–950 ramp

primary

#17366F

secondary

#A5803D

accent

#AD3FE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #17366F

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

Preview Lab → · Contrast checker → · Palette generator →