#17386C#17386C

#17386C is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.7% C 0.099 H 259.3°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#17386C
RGB	rgb(23, 56, 108)
HSL	hsl(217, 65%, 26%)
HSV	hsv(217, 79%, 42%)
CMYK	cmyk(78.7%, 48.1%, 0%, 57.6%)
CIE-LAB	lab(23.98, 8.21, -33.77)
CIE-LCH	lch(23.98, 34.75, 283.67°)
OKLab	oklab(34.72% -0.0184 -0.0968)
OKLCH	oklch(34.72% 0.099 259.3)
XYZ	xyz(4.4733, 4.0927, 14.7387)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17386C #6C4B17

analogous

#17626C #17386C #21176C

triadic

#17386C #6C1738 #386C17

tetradic

#17386C #6C1762 #6C4B17 #176C21

square

#17386C #6C1762 #6C4B17 #176C21

split-complementary

#17386C #6C2117 #626C17

monochromatic

#050D19 #0C1E3A #17386C #22529E #2C6CD1

Accessibility & contrast

On white

11.55

#17386C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#17386C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17386C

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17386C	#FFFFFF	#000000	##FFFFFF
##17386C	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3D6E

Deuteranopia (green-blind)

#0A356B

Tritanopia (blue-blind)

#00444C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #17386c;
/* rgb */ color: rgb(23, 56, 108);
/* oklch */ color: oklch(34.7% 0.099 259.3);

Tailwind

colors: {
  custom: {
    50: '#616e96',
    500: '#17386c',
    950: '#000000',
  },
}

SCSS

$custom: #17386c;
$custom-light: #616e96;
$custom-dark: #000000;

JSON

{
  "hex": "#17386c",
  "rgb": {
    "r": 23,
    "g": 56,
    "b": 108
  },
  "hsl": {
    "h": 216.706,
    "s": 64.885,
    "l": 25.686
  },
  "oklch": {
    "l": 0.34715,
    "c": 0.09852,
    "h": 259.3
  },
  "luminance": 0.04093
}

Semantic roles & 50–950 ramp

primary

#17386C

secondary

#A27B3D

accent

#A740E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #17386C

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

Preview Lab → · Contrast checker → · Palette generator →