#1E2183#1E2183

#1E2183 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.5% C 0.159 H 272.0°. Best body text is #FFFFFF at 13.12:1 contrast (WCAG AA passes).

Color values

HEX#1E2183
RGBrgb(30, 33, 131)
HSLhsl(238, 63%, 32%)
HSVhsv(238, 77%, 51%)
CMYKcmyk(77.1%, 74.8%, 0%, 48.6%)
CIE-LABlab(20.05, 34.11, -54.80)
CIE-LCHlch(20.05, 64.55, 301.90°)
OKLaboklab(32.51% 0.0056 -0.1586)
OKLCHoklch(32.51% 0.159 272)
XYZxyz(5.1746, 3.0019, 21.7750)
Luminance0.0300 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1E2183 #83801E
analogous
#1E5483 #1E2183 #4E1E83
triadic
#1E2183 #831E21 #21831E
tetradic
#1E2183 #831E54 #83801E #1E834E
square
#1E2183 #831E54 #83801E #1E834E
split-complementary
#1E2183 #834E1E #54831E
monochromatic
#07081F #131451 #1E2183 #292EB5 #474BD5

Accessibility & contrast

On white

13.12
#1E2183 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.60
#1E2183 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E2183
13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1E2183#FFFFFF#000000##FFFFFF
##1E21831.0013.121.6013.12
#FFFFFF13.121.0021.001.00
#0000001.6021.001.0021.00
##FFFFFF13.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003586
Deuteranopia (green-blind)
#002B81
Tritanopia (blue-blind)
#003D50
Achromatopsia (no color)
#303030

Design tokens & code

CSS
--color: #1e2183;
/* rgb */ color: rgb(30, 33, 131);
/* oklch */ color: oklch(32.5% 0.159 272.0);
Tailwind
colors: {
  custom: {
    50: '#6c5da8',
    500: '#1e2183',
    950: '#000000',
  },
}
SCSS
$custom: #1e2183;
$custom-light: #6c5da8;
$custom-dark: #000000;
JSON
{
  "hex": "#1e2183",
  "rgb": {
    "r": 30,
    "g": 33,
    "b": 131
  },
  "hsl": {
    "h": 238.218,
    "s": 62.733,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32512,
    "c": 0.1587,
    "h": 272
  },
  "luminance": 0.03002
}

Semantic roles & 50–950 ramp

primary
#1E2183
secondary
#B6B347
accent
#E142E6
background
#F7F5FA
surface
#EDE9F4
border
#C8C5CE
text
#080410
muted
#7B797F

Preview Lab

Preview with #1E2183

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

Preview Lab → · Contrast checker → · Palette generator →

#1E2183 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva