#1E58BB#1E58BB

#1E58BB is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.3% C 0.168 H 260.5°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX#1E58BB
RGBrgb(30, 88, 187)
HSLhsl(218, 72%, 43%)
HSVhsv(218, 84%, 73%)
CMYKcmyk(84%, 52.9%, 0%, 26.7%)
CIE-LABlab(39.31, 19.14, -57.28)
CIE-LCHlch(39.31, 60.40, 288.48°)
OKLaboklab(48.33% -0.0276 -0.1652)
OKLCHoklch(48.33% 0.168 260.5)
XYZxyz(12.9915, 10.8417, 48.4120)
Luminance0.1084 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1E58BB #BB811E
analogous
#1EA7BB #1E58BB #321EBB
triadic
#1E58BB #BB1E58 #58BB1E
tetradic
#1E58BB #BB1EA7 #BB811E #1EBB32
square
#1E58BB #BB1EA7 #BB811E #1EBB32
split-complementary
#1E58BB #BB321E #A7BB1E
monochromatic
#0D2652 #163F86 #1E58BB #3775DF #6C9AE7

Accessibility & contrast

On white

6.63
#1E58BB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.17
#1E58BB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1E58BB
6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1E58BB#FFFFFF#000000##FFFFFF
##1E58BB1.006.633.176.63
#FFFFFF6.631.0021.001.00
#0000003.1721.001.0021.00
##FFFFFF6.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0A64BF
Deuteranopia (green-blind)
#0056B9
Tritanopia (blue-blind)
#007081
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #1e58bb;
/* rgb */ color: rgb(30, 88, 187);
/* oklch */ color: oklch(48.3% 0.168 260.5);
Tailwind
colors: {
  custom: {
    50: '#7686d0',
    500: '#1e58bb',
    950: '#000000',
  },
}
SCSS
$custom: #1e58bb;
$custom-light: #7686d0;
$custom-dark: #000000;
JSON
{
  "hex": "#1e58bb",
  "rgb": {
    "r": 30,
    "g": 88,
    "b": 187
  },
  "hsl": {
    "h": 217.834,
    "s": 72.35,
    "l": 42.549
  },
  "oklch": {
    "l": 0.48325,
    "c": 0.16752,
    "h": 260.5
  },
  "luminance": 0.10843
}

Semantic roles & 50–950 ramp

primary
#1E58BB
secondary
#CDA867
accent
#AC39EF
background
#F7F8FC
surface
#EEEFF9
border
#C9CAD2
text
#0A0B14
muted
#7C7C82

Preview Lab

Preview with #1E58BB

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

Preview Lab → · Contrast checker → · Palette generator →

#1E58BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva