#1E56BB#1E56BB

#1E56BB is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.9% C 0.170 H 261.1°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX#1E56BB
RGBrgb(30, 86, 187)
HSLhsl(219, 72%, 43%)
HSVhsv(219, 84%, 73%)
CMYKcmyk(84%, 54%, 0%, 26.7%)
CIE-LABlab(38.76, 20.47, -58.18)
CIE-LCHlch(38.76, 61.68, 289.38°)
OKLaboklab(47.9% -0.0263 -0.1679)
OKLCHoklch(47.9% 0.17 261.1)
XYZxyz(12.8296, 10.5179, 48.3580)
Luminance0.1052 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1E56BB #BB831E
analogous
#1EA4BB #1E56BB #351EBB
triadic
#1E56BB #BB1E56 #56BB1E
tetradic
#1E56BB #BB1EA4 #BB831E #1EBB35
square
#1E56BB #BB1EA4 #BB831E #1EBB35
split-complementary
#1E56BB #BB351E #A4BB1E
monochromatic
#0D2552 #163E86 #1E56BB #3773DF #6C98E7

Accessibility & contrast

On white

6.77
#1E56BB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.10
#1E56BB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1E56BB
6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1E56BB#FFFFFF#000000##FFFFFF
##1E56BB1.006.773.106.77
#FFFFFF6.771.0021.001.00
#0000003.1021.001.0021.00
##FFFFFF6.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0063BF
Deuteranopia (green-blind)
#0055B9
Tritanopia (blue-blind)
#006F80
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #1e56bb;
/* rgb */ color: rgb(30, 86, 187);
/* oklch */ color: oklch(47.9% 0.170 261.1);
Tailwind
colors: {
  custom: {
    50: '#7684d0',
    500: '#1e56bb',
    950: '#000000',
  },
}
SCSS
$custom: #1e56bb;
$custom-light: #7684d0;
$custom-dark: #000000;
JSON
{
  "hex": "#1e56bb",
  "rgb": {
    "r": 30,
    "g": 86,
    "b": 187
  },
  "hsl": {
    "h": 218.599,
    "s": 72.35,
    "l": 42.549
  },
  "oklch": {
    "l": 0.47901,
    "c": 0.16997,
    "h": 261.1
  },
  "luminance": 0.10519
}

Semantic roles & 50–950 ramp

primary
#1E56BB
secondary
#CDA967
accent
#AE39EF
background
#F7F8FC
surface
#EEEFF9
border
#C9CAD2
text
#0A0A14
muted
#7C7C82

Preview Lab

Preview with #1E56BB

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

Preview Lab → · Contrast checker → · Palette generator →

#1E56BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva