#1C2374#1C2374

#1C2374 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.1% C 0.137 H 271.7°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX#1C2374
RGBrgb(28, 35, 116)
HSLhsl(235, 61%, 28%)
HSVhsv(235, 76%, 45%)
CMYKcmyk(75.9%, 69.8%, 0%, 54.5%)
CIE-LABlab(18.84, 27.03, -47.24)
CIE-LCHlch(18.84, 54.43, 299.78°)
OKLaboklab(31.14% 0.0041 -0.1366)
OKLCHoklch(31.14% 0.137 271.7)
XYZxyz(4.2312, 2.7095, 16.8196)
Luminance0.0271 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C2374 #746D1C
analogous
#1C4F74 #1C2374 #411C74
triadic
#1C2374 #741C23 #23741C
tetradic
#1C2374 #741C4F #746D1C #1C7441
square
#1C2374 #741C4F #746D1C #1C7441
split-complementary
#1C2374 #74411C #4F741C
monochromatic
#060719 #101443 #1C2374 #2832A5 #3B47D0

Accessibility & contrast

On white

13.62
#1C2374 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.54
#1C2374 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2374
13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C2374#FFFFFF#000000##FFFFFF
##1C23741.0013.621.5413.62
#FFFFFF13.621.0021.001.00
#0000001.5421.001.0021.00
##FFFFFF13.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003277
Deuteranopia (green-blind)
#002A72
Tritanopia (blue-blind)
#003948
Achromatopsia (no color)
#2E2E2E

Design tokens & code

CSS
--color: #1c2374;
/* rgb */ color: rgb(28, 35, 116);
/* oklch */ color: oklch(31.1% 0.137 271.7);
Tailwind
colors: {
  custom: {
    50: '#675e9d',
    500: '#1c2374',
    950: '#000000',
  },
}
SCSS
$custom: #1c2374;
$custom-light: #675e9d;
$custom-dark: #000000;
JSON
{
  "hex": "#1c2374",
  "rgb": {
    "r": 28,
    "g": 35,
    "b": 116
  },
  "hsl": {
    "h": 235.227,
    "s": 61.111,
    "l": 28.235
  },
  "oklch": {
    "l": 0.31135,
    "c": 0.13666,
    "h": 271.7
  },
  "luminance": 0.0271
}

Semantic roles & 50–950 ramp

primary
#1C2374
secondary
#A8A043
accent
#D744E4
background
#F6F5F9
surface
#EBE9F2
border
#C6C5CC
text
#07040E
muted
#7A797E

Preview Lab

Preview with #1C2374

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

Preview Lab → · Contrast checker → · Palette generator →

#1C2374 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva