#1C2584#1C2584

#1C2584 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.2% C 0.156 H 270.4°. Best body text is #FFFFFF at 12.75:1 contrast (WCAG AA passes).

Color values

HEX#1C2584
RGBrgb(28, 37, 132)
HSLhsl(235, 65%, 31%)
HSVhsv(235, 79%, 52%)
CMYKcmyk(78.8%, 72%, 0%, 48.2%)
CIE-LABlab(20.96, 31.75, -53.93)
CIE-LCHlch(20.96, 62.58, 300.48°)
OKLaboklab(33.17% 0.0012 -0.1561)
OKLCHoklch(33.17% 0.156 270.4)
XYZxyz(5.3039, 3.2354, 22.1703)
Luminance0.0324 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C2584 #847B1C
analogous
#1C5984 #1C2584 #471C84
triadic
#1C2584 #841C25 #25841C
tetradic
#1C2584 #841C59 #847B1C #1C8447
square
#1C2584 #841C59 #847B1C #1C8447
split-complementary
#1C2584 #84471C #59841C
monochromatic
#07091F #111752 #1C2584 #2733B6 #4350D7

Accessibility & contrast

On white

12.75
#1C2584 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.65
#1C2584 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2584
12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C2584#FFFFFF#000000##FFFFFF
##1C25841.0012.751.6512.75
#FFFFFF12.751.0021.001.00
#0000001.6521.001.0021.00
##FFFFFF12.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003787
Deuteranopia (green-blind)
#002D82
Tritanopia (blue-blind)
#003F51
Achromatopsia (no color)
#323232

Design tokens & code

CSS
--color: #1c2584;
/* rgb */ color: rgb(28, 37, 132);
/* oklch */ color: oklch(33.2% 0.156 270.4);
Tailwind
colors: {
  custom: {
    50: '#6b60a9',
    500: '#1c2584',
    950: '#000000',
  },
}
SCSS
$custom: #1c2584;
$custom-light: #6b60a9;
$custom-dark: #000000;
JSON
{
  "hex": "#1c2584",
  "rgb": {
    "r": 28,
    "g": 37,
    "b": 132
  },
  "hsl": {
    "h": 234.808,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.33167,
    "c": 0.15613,
    "h": 270.4
  },
  "luminance": 0.03236
}

Semantic roles & 50–950 ramp

primary
#1C2584
secondary
#B7AD45
accent
#D940E8
background
#F7F5FA
surface
#EDE9F4
border
#C8C5CE
text
#080510
muted
#7B797F

Preview Lab

Preview with #1C2584

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

Preview Lab → · Contrast checker → · Palette generator →

#1C2584 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva