#17386D#17386D

#17386D is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.8% C 0.100 H 259.5°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#17386D
RGB	rgb(23, 56, 109)
HSL	hsl(217, 65%, 26%)
HSV	hsv(217, 79%, 43%)
CMYK	cmyk(78.9%, 48.6%, 0%, 57.3%)
CIE-LAB	lab(24.05, 8.63, -34.30)
CIE-LCH	lch(24.05, 35.37, 284.13°)
OKLab	oklab(34.79% -0.0182 -0.0984)
OKLCH	oklch(34.79% 0.1 259.5)
XYZ	xyz(4.5268, 4.1141, 15.0206)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17386D #6D4C17

analogous

#17636D #17386D #21176D

triadic

#17386D #6D1738 #386D17

tetradic

#17386D #6D1763 #6D4C17 #176D21

square

#17386D #6D1763 #6D4C17 #176D21

split-complementary

#17386D #6D2117 #636D17

monochromatic

#050D19 #0C1E3A #17386D #2252A0 #2C6CD2

Accessibility & contrast

On white

11.52

#17386D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#17386D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17386D

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17386D	#FFFFFF	#000000	##FFFFFF
##17386D	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C3D6F

Deuteranopia (green-blind)

#08366C

Tritanopia (blue-blind)

#00454D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #17386d;
/* rgb */ color: rgb(23, 56, 109);
/* oklch */ color: oklch(34.8% 0.100 259.5);

Tailwind

colors: {
  custom: {
    50: '#626e97',
    500: '#17386d',
    950: '#000000',
  },
}

SCSS

$custom: #17386d;
$custom-light: #626e97;
$custom-dark: #000000;

JSON

{
  "hex": "#17386d",
  "rgb": {
    "r": 23,
    "g": 56,
    "b": 109
  },
  "hsl": {
    "h": 216.977,
    "s": 65.152,
    "l": 25.882
  },
  "oklch": {
    "l": 0.34791,
    "c": 0.10002,
    "h": 259.5
  },
  "luminance": 0.04115
}

Semantic roles & 50–950 ramp

primary

#17386D

secondary

#A37C3D

accent

#A740E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #17386D

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

Preview Lab → · Contrast checker → · Palette generator →