#1C2883#1C2883

#1C2883 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.6% C 0.151 H 269.8°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX#1C2883
RGBrgb(28, 40, 131)
HSLhsl(233, 65%, 31%)
HSVhsv(233, 79%, 51%)
CMYKcmyk(78.6%, 69.5%, 0%, 48.6%)
CIE-LABlab(21.59, 29.40, -52.27)
CIE-LCHlch(21.59, 59.97, 299.35°)
OKLaboklab(33.59% -0.0004 -0.1513)
OKLCHoklch(33.59% 0.151 269.8)
XYZxyz(5.3330, 3.4026, 21.8440)
Luminance0.0340 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C2883 #83771C
analogous
#1C5B83 #1C2883 #431C83
triadic
#1C2883 #831C28 #28831C
tetradic
#1C2883 #831C5B #83771C #1C8343
square
#1C2883 #831C5B #83771C #1C8343
split-complementary
#1C2883 #83431C #5B831C
monochromatic
#06091E #111951 #1C2883 #2737B5 #4354D7

Accessibility & contrast

On white

12.50
#1C2883 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.68
#1C2883 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2883
12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C2883#FFFFFF#000000##FFFFFF
##1C28831.0012.501.6812.50
#FFFFFF12.501.0021.001.00
#0000001.6821.001.0021.00
##FFFFFF12.501.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003986
Deuteranopia (green-blind)
#002F81
Tritanopia (blue-blind)
#004152
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #1c2883;
/* rgb */ color: rgb(28, 40, 131);
/* oklch */ color: oklch(33.6% 0.151 269.8);
Tailwind
colors: {
  custom: {
    50: '#6a62a8',
    500: '#1c2883',
    950: '#000000',
  },
}
SCSS
$custom: #1c2883;
$custom-light: #6a62a8;
$custom-dark: #000000;
JSON
{
  "hex": "#1c2883",
  "rgb": {
    "r": 28,
    "g": 40,
    "b": 131
  },
  "hsl": {
    "h": 233.01,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.3359,
    "c": 0.15128,
    "h": 269.8
  },
  "luminance": 0.03403
}

Semantic roles & 50–950 ramp

primary
#1C2883
secondary
#B6A945
accent
#D440E8
background
#F6F5FA
surface
#ECEAF4
border
#C7C6CE
text
#080510
muted
#7A797F

Preview Lab

Preview with #1C2883

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

Preview Lab → · Contrast checker → · Palette generator →

#1C2883 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva