#174B8C#174B8C

#174B8C is a dark, vivid cyan. Relative luminance 0.071; OKLCH L 41.6% C 0.121 H 256.2°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX#174B8C
RGBrgb(23, 75, 140)
HSLhsl(213, 72%, 32%)
HSVhsv(213, 84%, 55%)
CMYKcmyk(83.6%, 46.4%, 0%, 45.1%)
CIE-LABlab(32.05, 8.31, -40.88)
CIE-LCHlch(32.05, 41.72, 281.49°)
OKLaboklab(41.65% -0.0289 -0.1173)
OKLCHoklch(41.65% 0.121 256.2)
XYZxyz(7.6013, 7.1068, 25.7770)
Luminance0.0711 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#174B8C #8C5817
analogous
#17868C #174B8C #1D178C
triadic
#174B8C #8C174B #4B8C17
tetradic
#174B8C #8C1786 #8C5817 #178C1D
square
#174B8C #8C1786 #8C5817 #178C1D
split-complementary
#174B8C #8C1D17 #868C17
monochromatic
#061323 #0E2F57 #174B8C #2067C1 #3E86DF

Accessibility & contrast

On white

8.67
#174B8C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.42
#174B8C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B8C
8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##174B8C#FFFFFF#000000##FFFFFF
##174B8C1.008.672.428.67
#FFFFFF8.671.0021.001.00
#0000002.4221.001.0021.00
##FFFFFF8.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#28518E
Deuteranopia (green-blind)
#0D478B
Tritanopia (blue-blind)
#005B64
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #174b8c;
/* rgb */ color: rgb(23, 75, 140);
/* oklch */ color: oklch(41.6% 0.121 256.2);
Tailwind
colors: {
  custom: {
    50: '#697cae',
    500: '#174b8c',
    950: '#000000',
  },
}
SCSS
$custom: #174b8c;
$custom-light: #697cae;
$custom-dark: #000000;
JSON
{
  "hex": "#174b8c",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 140
  },
  "hsl": {
    "h": 213.333,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.4165,
    "c": 0.12083,
    "h": 256.2
  },
  "luminance": 0.07108
}

Semantic roles & 50–950 ramp

primary
#174B8C
secondary
#BF873F
accent
#9E39EF
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070910
muted
#7A7B7F

Preview Lab

Preview with #174B8C

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

Preview Lab → · Contrast checker → · Palette generator →

#174B8C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva