#174B88#174B88

#174B88 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.4% C 0.115 H 255.1°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX#174B88
RGBrgb(23, 75, 136)
HSLhsl(212, 71%, 31%)
HSVhsv(212, 83%, 53%)
CMYKcmyk(83.1%, 44.9%, 0%, 46.7%)
CIE-LABlab(31.79, 6.67, -38.84)
CIE-LCHlch(31.79, 39.41, 279.75°)
OKLaboklab(41.36% -0.0297 -0.1113)
OKLCHoklch(41.36% 0.115 255.1)
XYZxyz(7.3117, 6.9910, 24.2518)
Luminance0.0699 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#174B88 #885417
analogous
#178388 #174B88 #1B1788
triadic
#174B88 #88174B #4B8817
tetradic
#174B88 #881783 #885417 #17881B
square
#174B88 #881783 #885417 #17881B
split-complementary
#174B88 #881B17 #838817
monochromatic
#05111F #0E2E54 #174B88 #2068BC #3B86DE

Accessibility & contrast

On white

8.76
#174B88 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.40
#174B88 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B88
8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##174B88#FFFFFF#000000##FFFFFF
##174B881.008.762.408.76
#FFFFFF8.761.0021.001.00
#0000002.4021.001.0021.00
##FFFFFF8.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2C508A
Deuteranopia (green-blind)
#154687
Tritanopia (blue-blind)
#005A63
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #174b88;
/* rgb */ color: rgb(23, 75, 136);
/* oklch */ color: oklch(41.4% 0.115 255.1);
Tailwind
colors: {
  custom: {
    50: '#687cab',
    500: '#174b88',
    950: '#000000',
  },
}
SCSS
$custom: #174b88;
$custom-light: #687cab;
$custom-dark: #000000;
JSON
{
  "hex": "#174b88",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 136
  },
  "hsl": {
    "h": 212.389,
    "s": 71.069,
    "l": 31.176
  },
  "oklch": {
    "l": 0.41362,
    "c": 0.11523,
    "h": 255.1
  },
  "luminance": 0.06992
}

Semantic roles & 50–950 ramp

primary
#174B88
secondary
#BC823F
accent
#9B3AEE
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070910
muted
#7A7B7F

Preview Lab

Preview with #174B88

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

Preview Lab → · Contrast checker → · Palette generator →

#174B88 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva