#1C2590#1C2590

#1C2590 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.5% C 0.172 H 269.9°. Best body text is #FFFFFF at 12.23:1 contrast (WCAG AA passes).

Color values

HEX#1C2590
RGBrgb(28, 37, 144)
HSLhsl(235, 67%, 34%)
HSVhsv(235, 81%, 56%)
CMYKcmyk(80.6%, 74.3%, 0%, 43.5%)
CIE-LABlab(22.24, 36.14, -59.32)
CIE-LCHlch(22.24, 69.47, 301.35°)
OKLaboklab(34.47% -0.0004 -0.1718)
OKLCHoklch(34.47% 0.172 269.9)
XYZxyz(6.1728, 3.5829, 26.7464)
Luminance0.0358 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C2590 #90871C
analogous
#1C5F90 #1C2590 #4D1C90
triadic
#1C2590 #901C25 #25901C
tetradic
#1C2590 #901C5F #90871C #1C904D
square
#1C2590 #901C5F #90871C #1C904D
split-complementary
#1C2590 #904D1C #5F901C
monochromatic
#080B2A #12185D #1C2590 #2632C3 #4A56DC

Accessibility & contrast

On white

12.23
#1C2590 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.72
#1C2590 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2590
12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C2590#FFFFFF#000000##FFFFFF
##1C25901.0012.231.7212.23
#FFFFFF12.231.0021.001.00
#0000001.7221.001.0021.00
##FFFFFF12.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003B93
Deuteranopia (green-blind)
#002F8E
Tritanopia (blue-blind)
#004458
Achromatopsia (no color)
#353535

Design tokens & code

CSS
--color: #1c2590;
/* rgb */ color: rgb(28, 37, 144);
/* oklch */ color: oklch(34.5% 0.172 269.9);
Tailwind
colors: {
  custom: {
    50: '#6e60b2',
    500: '#1c2590',
    950: '#000000',
  },
}
SCSS
$custom: #1c2590;
$custom-light: #6e60b2;
$custom-dark: #000000;
JSON
{
  "hex": "#1c2590",
  "rgb": {
    "r": 28,
    "g": 37,
    "b": 144
  },
  "hsl": {
    "h": 235.345,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.34469,
    "c": 0.17183,
    "h": 269.9
  },
  "luminance": 0.03584
}

Semantic roles & 50–950 ramp

primary
#1C2590
secondary
#BEB54A
accent
#DD3DEA
background
#F7F5FB
surface
#EDE9F6
border
#C8C5D0
text
#090511
muted
#7B7980

Preview Lab

Preview with #1C2590

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

Preview Lab → · Contrast checker → · Palette generator →

#1C2590 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva