#17386E#17386E

#17386E is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.9% C 0.102 H 259.8°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#17386E
RGB	rgb(23, 56, 110)
HSL	hsl(217, 65%, 26%)
HSV	hsv(217, 79%, 43%)
CMYK	cmyk(79.1%, 49.1%, 0%, 56.9%)
CIE-LAB	lab(24.12, 9.05, -34.83)
CIE-LCH	lch(24.12, 35.98, 284.57°)
OKLab	oklab(34.87% -0.018 -0.0999)
OKLCH	oklch(34.87% 0.102 259.8)
XYZ	xyz(4.5810, 4.1358, 15.3057)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17386E #6E4D17

analogous

#17636E #17386E #21176E

triadic

#17386E #6E1738 #386E17

tetradic

#17386E #6E1763 #6E4D17 #176E21

square

#17386E #6E1763 #6E4D17 #176E21

split-complementary

#17386E #6E2117 #636E17

monochromatic

#050D19 #0C1E3B #17386E #2252A1 #2C6CD3

Accessibility & contrast

On white

11.49

#17386E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#17386E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17386E

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17386E	#FFFFFF	#000000	##FFFFFF
##17386E	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3E70

Deuteranopia (green-blind)

#05366D

Tritanopia (blue-blind)

#00454D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #17386e;
/* rgb */ color: rgb(23, 56, 110);
/* oklch */ color: oklch(34.9% 0.102 259.8);

Tailwind

colors: {
  custom: {
    50: '#626e98',
    500: '#17386e',
    950: '#000000',
  },
}

SCSS

$custom: #17386e;
$custom-light: #626e98;
$custom-dark: #000000;

JSON

{
  "hex": "#17386e",
  "rgb": {
    "r": 23,
    "g": 56,
    "b": 110
  },
  "hsl": {
    "h": 217.241,
    "s": 65.414,
    "l": 26.078
  },
  "oklch": {
    "l": 0.34867,
    "c": 0.10152,
    "h": 259.8
  },
  "luminance": 0.04136
}

Semantic roles & 50–950 ramp

primary

#17386E

secondary

#A47D3D

accent

#A83FE8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #17386E

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

Preview Lab → · Contrast checker → · Palette generator →