#171E34#171E34

#171E34 is a very dark, muted blue. Relative luminance 0.014; OKLCH L 24.0% C 0.044 H 269.5°. Best body text is #FFFFFF at 16.51:1 contrast (WCAG AA passes).

Color values

HEX	#171E34
RGB	rgb(23, 30, 52)
HSL	hsl(226, 39%, 15%)
HSV	hsv(226, 56%, 20%)
CMYK	cmyk(55.8%, 42.3%, 0%, 79.6%)
CIE-LAB	lab(11.68, 4.34, -15.47)
CIE-LCH	lch(11.68, 16.07, 285.66°)
OKLab	oklab(24.01% -0.0003 -0.0436)
OKLCH	oklch(24.01% 0.044 269.5)
XYZ	xyz(1.4373, 1.3586, 3.4346)
Luminance	0.0136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171E34 #342D17

analogous

#172D34 #171E34 #1F1734

triadic

#171E34 #34171E #1E3417

tetradic

#171E34 #34172D #342D17 #17341F

square

#171E34 #34172D #342D17 #17341F

split-complementary

#171E34 #341F17 #2D3417

monochromatic

#090C15 #090C15 #171E34 #2A365E #3D4F89

Accessibility & contrast

On white

16.51

#171E34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#171E34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171E34

16.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171E34	#FFFFFF	#000000	##FFFFFF
##171E34	1.00	16.51	1.27	16.51
#FFFFFF	16.51	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#162035

Deuteranopia (green-blind)

#131E34

Tritanopia (blue-blind)

#0C2326

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #171e34;
/* rgb */ color: rgb(23, 30, 52);
/* oklch */ color: oklch(24.0% 0.044 269.5);

Tailwind

colors: {
  custom: {
    50: '#56596b',
    500: '#171e34',
    950: '#000000',
  },
}

SCSS

$custom: #171e34;
$custom-light: #56596b;
$custom-dark: #000000;

JSON

{
  "hex": "#171e34",
  "rgb": {
    "r": 23,
    "g": 30,
    "b": 52
  },
  "hsl": {
    "h": 225.517,
    "s": 38.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.24014,
    "c": 0.04356,
    "h": 269.5
  },
  "luminance": 0.01359
}

Semantic roles & 50–950 ramp

primary

#171E34

secondary

#6A5F3D

accent

#B259CF

background

#F5F5F6

surface

#E9E9EB

border

#C5C5C6

text

#030306

muted

#78787A

Preview Lab

Preview with #171E34

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

Preview Lab → · Contrast checker → · Palette generator →