#1C418B#1C418B

#1C418B is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.4% C 0.131 H 262.2°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX#1C418B
RGBrgb(28, 65, 139)
HSLhsl(220, 66%, 33%)
HSVhsv(220, 80%, 55%)
CMYKcmyk(79.9%, 53.2%, 0%, 45.5%)
CIE-LABlab(29.14, 15.31, -44.95)
CIE-LCHlch(29.14, 47.49, 288.81°)
OKLaboklab(39.43% -0.0177 -0.1295)
OKLCHoklch(39.43% 0.131 262.2)
XYZxyz(7.0277, 5.8907, 25.1877)
Luminance0.0589 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C418B #8B661C
analogous
#1C788B #1C418B #2E1C8B
triadic
#1C418B #8B1C41 #418B1C
tetradic
#1C418B #8B1C78 #8B661C #1C8B2E
square
#1C418B #8B1C78 #8B661C #1C8B2E
split-complementary
#1C418B #8B2E1C #788B1C
monochromatic
#071125 #122958 #1C418B #2659BE #4778DA

Accessibility & contrast

On white

9.64
#1C418B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.18
#1C418B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C418B
9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C418B#FFFFFF#000000##FFFFFF
##1C418B1.009.642.189.64
#FFFFFF9.641.0021.001.00
#0000002.1821.001.0021.00
##FFFFFF9.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0E4A8E
Deuteranopia (green-blind)
#00408A
Tritanopia (blue-blind)
#00535F
Achromatopsia (no color)
#454545

Design tokens & code

CSS
--color: #1c418b;
/* rgb */ color: rgb(28, 65, 139);
/* oklch */ color: oklch(39.4% 0.131 262.2);
Tailwind
colors: {
  custom: {
    50: '#6b75ad',
    500: '#1c418b',
    950: '#000000',
  },
}
SCSS
$custom: #1c418b;
$custom-light: #6b75ad;
$custom-dark: #000000;
JSON
{
  "hex": "#1c418b",
  "rgb": {
    "r": 28,
    "g": 65,
    "b": 139
  },
  "hsl": {
    "h": 220,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.39434,
    "c": 0.13066,
    "h": 262.2
  },
  "luminance": 0.05892
}

Semantic roles & 50–950 ramp

primary
#1C418B
secondary
#BC9547
accent
#B03EE9
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#080810
muted
#7A7B7F

Preview Lab

Preview with #1C418B

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

Preview Lab → · Contrast checker → · Palette generator →

#1C418B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva