#1827A1#1827A1

#1827A1 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.5% C 0.192 H 267.8°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX#1827A1
RGBrgb(24, 39, 161)
HSLhsl(233, 74%, 36%)
HSVhsv(233, 85%, 63%)
CMYKcmyk(85.1%, 75.8%, 0%, 36.9%)
CIE-LABlab(24.38, 40.73, -66.24)
CIE-LCHlch(24.38, 77.76, 301.59°)
OKLaboklab(36.5% -0.0072 -0.192)
OKLCHoklch(36.5% 0.192 267.8)
XYZxyz(7.5330, 4.2175, 34.1283)
Luminance0.0422 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1827A1 #A19218
analogous
#186CA1 #1827A1 #4E18A1
triadic
#1827A1 #A11827 #27A118
tetradic
#1827A1 #A1186C #A19218 #18A14E
square
#1827A1 #A1186C #A19218 #18A14E
split-complementary
#1827A1 #A14E18 #6CA118
monochromatic
#080D36 #101A6C #1827A1 #2034D6 #4F5FE5

Accessibility & contrast

On white

11.39
#1827A1 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.84
#1827A1 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1827A1
11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1827A1#FFFFFF#000000##FFFFFF
##1827A11.0011.391.8411.39
#FFFFFF11.391.0021.001.00
#0000001.8421.001.0021.00
##FFFFFF11.391.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0041A5
Deuteranopia (green-blind)
#00339F
Tritanopia (blue-blind)
#004B62
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #1827a1;
/* rgb */ color: rgb(24, 39, 161);
/* oklch */ color: oklch(36.5% 0.192 267.8);
Tailwind
colors: {
  custom: {
    50: '#7262be',
    500: '#1827a1',
    950: '#000000',
  },
}
SCSS
$custom: #1827a1;
$custom-light: #7262be;
$custom-dark: #000000;
JSON
{
  "hex": "#1827a1",
  "rgb": {
    "r": 24,
    "g": 39,
    "b": 161
  },
  "hsl": {
    "h": 233.431,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.365,
    "c": 0.19214,
    "h": 267.8
  },
  "luminance": 0.04218
}

Semantic roles & 50–950 ramp

primary
#1827A1
secondary
#C7BA4E
accent
#DC37F1
background
#F7F5FB
surface
#EEEAF7
border
#C9C6D0
text
#0A0512
muted
#7C7981

Preview Lab

Preview with #1827A1

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

Preview Lab → · Contrast checker → · Palette generator →

#1827A1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva