#17366D#17366D

#17366D is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.3% C 0.103 H 260.9°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#17366D
RGB	rgb(23, 54, 109)
HSL	hsl(218, 65%, 26%)
HSV	hsv(218, 79%, 43%)
CMYK	cmyk(78.9%, 50.5%, 0%, 57.3%)
CIE-LAB	lab(23.42, 10.05, -35.30)
CIE-LCH	lch(23.42, 36.71, 285.90°)
OKLab	oklab(34.31% -0.0163 -0.1014)
OKLCH	oklch(34.31% 0.103 260.9)
XYZ	xyz(4.4318, 3.9241, 14.9889)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17366D #6D4E17

analogous

#17616D #17366D #23176D

triadic

#17366D #6D1736 #366D17

tetradic

#17366D #6D1761 #6D4E17 #176D23

square

#17366D #6D1761 #6D4E17 #176D23

split-complementary

#17366D #6D2317 #616D17

monochromatic

#050D19 #0C1D3A #17366D #224FA0 #2C68D2

Accessibility & contrast

On white

11.76

#17366D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#17366D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17366D

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17366D	#FFFFFF	#000000	##FFFFFF
##17366D	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173C6F

Deuteranopia (green-blind)

#00346C

Tritanopia (blue-blind)

#00434C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #17366d;
/* rgb */ color: rgb(23, 54, 109);
/* oklch */ color: oklch(34.3% 0.103 260.9);

Tailwind

colors: {
  custom: {
    50: '#626c97',
    500: '#17366d',
    950: '#000000',
  },
}

SCSS

$custom: #17366d;
$custom-light: #626c97;
$custom-dark: #000000;

JSON

{
  "hex": "#17366d",
  "rgb": {
    "r": 23,
    "g": 54,
    "b": 109
  },
  "hsl": {
    "h": 218.372,
    "s": 65.152,
    "l": 25.882
  },
  "oklch": {
    "l": 0.34309,
    "c": 0.10267,
    "h": 260.9
  },
  "luminance": 0.03925
}

Semantic roles & 50–950 ramp

primary

#17366D

secondary

#A37E3D

accent

#AB40E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #17366D

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

Preview Lab → · Contrast checker → · Palette generator →