#1755B4#1755B4

#1755B4 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.0% C 0.163 H 259.5°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX#1755B4
RGBrgb(23, 85, 180)
HSLhsl(216, 77%, 40%)
HSVhsv(216, 87%, 71%)
CMYKcmyk(87.2%, 52.8%, 0%, 29.4%)
CIE-LABlab(37.79, 17.82, -55.64)
CIE-LCHlch(37.79, 58.43, 287.76°)
OKLaboklab(46.96% -0.0299 -0.1605)
OKLCHoklch(46.96% 0.163 259.5)
XYZxyz(11.8370, 9.9729, 44.4723)
Luminance0.0997 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1755B4 #B47617
analogous
#17A3B4 #1755B4 #2817B4
triadic
#1755B4 #B41755 #55B417
tetradic
#1755B4 #B417A3 #B47617 #17B428
square
#1755B4 #B417A3 #B47617 #17B428
split-complementary
#1755B4 #B42817 #A3B417
monochromatic
#092247 #103B7E #1755B4 #2570E3 #5B94EA

Accessibility & contrast

On white

7.01
#1755B4 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.99
#1755B4 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1755B4
7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1755B4#FFFFFF#000000##FFFFFF
##1755B41.007.012.997.01
#FFFFFF7.011.0021.001.00
#0000002.9921.001.0021.00
##FFFFFF7.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0B60B7
Deuteranopia (green-blind)
#0052B2
Tritanopia (blue-blind)
#006C7C
Achromatopsia (no color)
#595959

Design tokens & code

CSS
--color: #1755b4;
/* rgb */ color: rgb(23, 85, 180);
/* oklch */ color: oklch(47.0% 0.163 259.5);
Tailwind
colors: {
  custom: {
    50: '#7384cb',
    500: '#1755b4',
    950: '#000000',
  },
}
SCSS
$custom: #1755b4;
$custom-light: #7384cb;
$custom-dark: #000000;
JSON
{
  "hex": "#1755b4",
  "rgb": {
    "r": 23,
    "g": 85,
    "b": 180
  },
  "hsl": {
    "h": 216.306,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.46958,
    "c": 0.16331,
    "h": 259.5
  },
  "luminance": 0.09974
}

Semantic roles & 50–950 ramp

primary
#1755B4
secondary
#CEA059
accent
#A834F4
background
#F7F8FC
surface
#EEEFF9
border
#C9CAD2
text
#0A0A13
muted
#7C7C82

Preview Lab

Preview with #1755B4

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

Preview Lab → · Contrast checker → · Palette generator →

#1755B4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva