#17366A#17366A

#17366A is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.1% C 0.098 H 260.1°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#17366A
RGB	rgb(23, 54, 106)
HSL	hsl(218, 64%, 25%)
HSV	hsv(218, 78%, 42%)
CMYK	cmyk(78.3%, 49.1%, 0%, 58.4%)
CIE-LAB	lab(23.21, 8.80, -33.72)
CIE-LCH	lch(23.21, 34.85, 284.63°)
OKLab	oklab(34.08% -0.0168 -0.0967)
OKLCH	oklch(34.08% 0.098 260.1)
XYZ	xyz(4.2731, 3.8606, 14.1528)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17366A #6A4B17

analogous

#17606A #17366A #21176A

triadic

#17366A #6A1736 #366A17

tetradic

#17366A #6A1760 #6A4B17 #176A21

square

#17366A #6A1760 #6A4B17 #176A21

split-complementary

#17366A #6A2117 #606A17

monochromatic

#050D19 #0C1C38 #17366A #22509C #2D69CF

Accessibility & contrast

On white

11.85

#17366A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#17366A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17366A

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17366A	#FFFFFF	#000000	##FFFFFF
##17366A	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3B6C

Deuteranopia (green-blind)

#073469

Tritanopia (blue-blind)

#00424A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #17366a;
/* rgb */ color: rgb(23, 54, 106);
/* oklch */ color: oklch(34.1% 0.098 260.1);

Tailwind

colors: {
  custom: {
    50: '#616c95',
    500: '#17366a',
    950: '#000000',
  },
}

SCSS

$custom: #17366a;
$custom-light: #616c95;
$custom-dark: #000000;

JSON

{
  "hex": "#17366a",
  "rgb": {
    "r": 23,
    "g": 54,
    "b": 106
  },
  "hsl": {
    "h": 217.59,
    "s": 64.341,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34077,
    "c": 0.09814,
    "h": 260.1
  },
  "luminance": 0.03861
}

Semantic roles & 50–950 ramp

primary

#17366A

secondary

#A07B3D

accent

#A940E7

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #17366A

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

Preview Lab → · Contrast checker → · Palette generator →