#1748A0#1748A0

#1748A0 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.5% C 0.152 H 261.1°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX#1748A0
RGBrgb(23, 72, 160)
HSLhsl(219, 75%, 36%)
HSVhsv(219, 86%, 63%)
CMYKcmyk(85.6%, 55%, 0%, 37.3%)
CIE-LABlab(32.60, 18.53, -52.15)
CIE-LCHlch(32.60, 55.35, 289.56°)
OKLaboklab(42.53% -0.0236 -0.1506)
OKLCHoklch(42.53% 0.152 261.1)
XYZxyz(9.0136, 7.3538, 34.1953)
Luminance0.0736 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1748A0 #A06F17
analogous
#178CA0 #1748A0 #2A17A0
triadic
#1748A0 #A01748 #48A017
tetradic
#1748A0 #A0178C #A06F17 #17A02A
square
#1748A0 #A0178C #A06F17 #17A02A
split-complementary
#1748A0 #A02A17 #8CA017
monochromatic
#081835 #0F306A #1748A0 #1F60D6 #4C83E5

Accessibility & contrast

On white

8.50
#1748A0 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.47
#1748A0 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1748A0
8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1748A0#FFFFFF#000000##FFFFFF
##1748A01.008.502.478.50
#FFFFFF8.501.0021.001.00
#0000002.4721.001.0021.00
##FFFFFF8.501.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0053A3
Deuteranopia (green-blind)
#00479E
Tritanopia (blue-blind)
#005E6D
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #1748a0;
/* rgb */ color: rgb(23, 72, 160);
/* oklch */ color: oklch(42.5% 0.152 261.1);
Tailwind
colors: {
  custom: {
    50: '#6e7abd',
    500: '#1748a0',
    950: '#000000',
  },
}
SCSS
$custom: #1748a0;
$custom-light: #6e7abd;
$custom-dark: #000000;
JSON
{
  "hex": "#1748a0",
  "rgb": {
    "r": 23,
    "g": 72,
    "b": 160
  },
  "hsl": {
    "h": 218.54,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.42529,
    "c": 0.1524,
    "h": 261.1
  },
  "luminance": 0.07355
}

Semantic roles & 50–950 ramp

primary
#1748A0
secondary
#C79B4C
accent
#AF36F1
background
#F7F7FB
surface
#EDEDF7
border
#C8C8D0
text
#090912
muted
#7B7B81

Preview Lab

Preview with #1748A0

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

Preview Lab → · Contrast checker → · Palette generator →

#1748A0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva