#171E2E#171E2E

#171E2E is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.6% C 0.033 H 265.8°. Best body text is #FFFFFF at 16.65:1 contrast (WCAG AA passes).

Color values

HEX#171E2E
RGBrgb(23, 30, 46)
HSLhsl(222, 33%, 14%)
HSVhsv(222, 50%, 18%)
CMYKcmyk(50%, 34.8%, 0%, 82%)
CIE-LABlab(11.33, 2.09, -11.68)
CIE-LCHlch(11.33, 11.87, 280.16°)
OKLaboklab(23.63% -0.0024 -0.0326)
OKLCHoklch(23.63% 0.033 265.8)
XYZxyz(1.3106, 1.3079, 2.7676)
Luminance0.0131 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#171E2E #2E2717
analogous
#17292E #171E2E #1B172E
triadic
#171E2E #2E171E #1E2E17
tetradic
#171E2E #2E1729 #2E2717 #172E1B
square
#171E2E #2E1729 #2E2717 #172E1B
split-complementary
#171E2E #2E1B17 #292E17
monochromatic
#0A0D14 #0A0D14 #171E2E #2B3957 #405380

Accessibility & contrast

On white

16.65
#171E2E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.26
#171E2E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171E2E
16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##171E2E#FFFFFF#000000##FFFFFF
##171E2E1.0016.651.2616.65
#FFFFFF16.651.0021.001.00
#0000001.2621.001.0021.00
##FFFFFF16.651.0021.001.00

Color blindness preview

Protanopia (red-blind)
#181F2F
Deuteranopia (green-blind)
#161D2E
Tritanopia (blue-blind)
#0F2124
Achromatopsia (no color)
#1E1E1E

Design tokens & code

CSS
--color: #171e2e;
/* rgb */ color: rgb(23, 30, 46);
/* oklch */ color: oklch(23.6% 0.033 265.8);
Tailwind
colors: {
  custom: {
    50: '#555966',
    500: '#171e2e',
    950: '#000000',
  },
}
SCSS
$custom: #171e2e;
$custom-light: #555966;
$custom-dark: #000000;
JSON
{
  "hex": "#171e2e",
  "rgb": {
    "r": 23,
    "g": 30,
    "b": 46
  },
  "hsl": {
    "h": 221.739,
    "s": 33.333,
    "l": 13.529
  },
  "oklch": {
    "l": 0.23629,
    "c": 0.03269,
    "h": 265.8
  },
  "luminance": 0.01308
}

Semantic roles & 50–950 ramp

primary
#171E2E
secondary
#63583E
accent
#A95EC9
background
#F5F5F6
surface
#E8E9EB
border
#C4C5C6
text
#030306
muted
#78787A

Preview Lab

Preview with #171E2E

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

Preview Lab → · Contrast checker → · Palette generator →

#171E2E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva