#1E389B#1E389B

#1E389B is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.0% C 0.164 H 266.8°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX#1E389B
RGBrgb(30, 56, 155)
HSLhsl(228, 68%, 36%)
HSVhsv(228, 81%, 61%)
CMYKcmyk(80.6%, 63.9%, 0%, 39.2%)
CIE-LABlab(28.03, 28.07, -56.56)
CIE-LCHlch(28.03, 63.14, 296.40°)
OKLaboklab(39.04% -0.0091 -0.1636)
OKLCHoklch(39.04% 0.164 266.8)
XYZxyz(7.8639, 5.4700, 31.6453)
Luminance0.0547 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1E389B #9B811E
analogous
#1E779B #1E389B #431E9B
triadic
#1E389B #9B1E38 #389B1E
tetradic
#1E389B #9B1E77 #9B811E #1E9B43
square
#1E389B #9B1E77 #9B811E #1E9B43
split-complementary
#1E389B #9B431E #779B1E
monochromatic
#0A1334 #142568 #1E389B #284BCE #5572DE

Accessibility & contrast

On white

10.03
#1E389B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.09
#1E389B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E389B
10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1E389B#FFFFFF#000000##FFFFFF
##1E389B1.0010.032.0910.03
#FFFFFF10.031.0021.001.00
#0000002.0921.001.0021.00
##FFFFFF10.031.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00489E
Deuteranopia (green-blind)
#003C99
Tritanopia (blue-blind)
#005264
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #1e389b;
/* rgb */ color: rgb(30, 56, 155);
/* oklch */ color: oklch(39.0% 0.164 266.8);
Tailwind
colors: {
  custom: {
    50: '#706eb9',
    500: '#1e389b',
    950: '#000000',
  },
}
SCSS
$custom: #1e389b;
$custom-light: #706eb9;
$custom-dark: #000000;
JSON
{
  "hex": "#1e389b",
  "rgb": {
    "r": 30,
    "g": 56,
    "b": 155
  },
  "hsl": {
    "h": 227.52,
    "s": 67.568,
    "l": 36.275
  },
  "oklch": {
    "l": 0.3904,
    "c": 0.1639,
    "h": 266.8
  },
  "luminance": 0.05471
}

Semantic roles & 50–950 ramp

primary
#1E389B
secondary
#C2AB53
accent
#C63DEA
background
#F7F6FB
surface
#EDEBF6
border
#C8C6D0
text
#090712
muted
#7B7A81

Preview Lab

Preview with #1E389B

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

Preview Lab → · Contrast checker → · Palette generator →

#1E389B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva