#174B6A#174B6A

#174B6A is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.4% C 0.075 H 239.3°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX#174B6A
RGBrgb(23, 75, 106)
HSLhsl(202, 64%, 25%)
HSVhsv(202, 78%, 42%)
CMYKcmyk(78.3%, 29.2%, 0%, 58.4%)
CIE-LABlab(30.05, -5.43, -22.87)
CIE-LCHlch(30.05, 23.50, 256.64°)
OKLaboklab(39.43% -0.0384 -0.0646)
OKLCHoklch(39.43% 0.075 239.3)
XYZxyz(5.4699, 6.2543, 14.5518)
Luminance0.0625 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#174B6A #6A3617
analogous
#176A60 #174B6A #17216A
triadic
#174B6A #6A174B #4B6A17
tetradic
#174B6A #60176A #6A3617 #216A17
square
#174B6A #60176A #6A3617 #216A17
split-complementary
#174B6A #6A1721 #6A6017
monochromatic
#051219 #0C2738 #174B6A #226F9C #2D92CF

Accessibility & contrast

On white

9.33
#174B6A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.25
#174B6A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B6A
9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##174B6A#FFFFFF#000000##FFFFFF
##174B6A1.009.332.259.33
#FFFFFF9.331.0021.001.00
#0000002.2521.001.0021.00
##FFFFFF9.331.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C4B6B
Deuteranopia (green-blind)
#314369
Tritanopia (blue-blind)
#005356
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #174b6a;
/* rgb */ color: rgb(23, 75, 106);
/* oklch */ color: oklch(39.4% 0.075 239.3);
Tailwind
colors: {
  custom: {
    50: '#617d94',
    500: '#174b6a',
    950: '#000000',
  },
}
SCSS
$custom: #174b6a;
$custom-light: #617d94;
$custom-dark: #000000;
JSON
{
  "hex": "#174b6a",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 106
  },
  "hsl": {
    "h": 202.41,
    "s": 64.341,
    "l": 25.294
  },
  "oklch": {
    "l": 0.39429,
    "c": 0.07513,
    "h": 239.3
  },
  "luminance": 0.06255
}

Semantic roles & 50–950 ramp

primary
#174B6A
secondary
#A0623D
accent
#7F40E7
background
#F6F7F9
surface
#EBEEF1
border
#C6C9CB
text
#06090D
muted
#7A7B7E

Preview Lab

Preview with #174B6A

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

Preview Lab → · Contrast checker → · Palette generator →

#174B6A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva