#17386A#17386A

#17386A is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.6% C 0.096 H 258.7°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#17386A
RGB	rgb(23, 56, 106)
HSL	hsl(216, 64%, 25%)
HSV	hsv(216, 78%, 42%)
CMYK	cmyk(78.3%, 47.2%, 0%, 58.4%)
CIE-LAB	lab(23.84, 7.38, -32.70)
CIE-LCH	lch(23.84, 33.52, 282.72°)
OKLab	oklab(34.56% -0.0187 -0.0937)
OKLCH	oklch(34.56% 0.096 258.7)
XYZ	xyz(4.3681, 4.0506, 14.1845)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17386A #6A4917

analogous

#17616A #17386A #20176A

triadic

#17386A #6A1738 #386A17

tetradic

#17386A #6A1761 #6A4917 #176A20

square

#17386A #6A1761 #6A4917 #176A20

split-complementary

#17386A #6A2017 #616A17

monochromatic

#050D19 #0C1D38 #17386A #22539C #2D6DCF

Accessibility & contrast

On white

11.60

#17386A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#17386A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17386A

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17386A	#FFFFFF	#000000	##FFFFFF
##17386A	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F3D6C

Deuteranopia (green-blind)

#0E3569

Tritanopia (blue-blind)

#00444B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #17386a;
/* rgb */ color: rgb(23, 56, 106);
/* oklch */ color: oklch(34.6% 0.096 258.7);

Tailwind

colors: {
  custom: {
    50: '#616e95',
    500: '#17386a',
    950: '#000000',
  },
}

SCSS

$custom: #17386a;
$custom-light: #616e95;
$custom-dark: #000000;

JSON

{
  "hex": "#17386a",
  "rgb": {
    "r": 23,
    "g": 56,
    "b": 106
  },
  "hsl": {
    "h": 216.145,
    "s": 64.341,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34564,
    "c": 0.09553,
    "h": 258.7
  },
  "luminance": 0.04051
}

Semantic roles & 50–950 ramp

primary

#17386A

secondary

#A0793D

accent

#A540E7

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #17386A

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

Preview Lab → · Contrast checker → · Palette generator →