#1C4197#1C4197

#1C4197 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.4% C 0.148 H 263.6°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX#1C4197
RGBrgb(28, 65, 151)
HSLhsl(222, 69%, 35%)
HSVhsv(222, 81%, 59%)
CMYKcmyk(81.5%, 57%, 0%, 40.8%)
CIE-LABlab(30.06, 20.15, -50.81)
CIE-LCHlch(30.06, 54.67, 291.63°)
OKLaboklab(40.43% -0.0165 -0.1467)
OKLCHoklch(40.43% 0.148 263.6)
XYZxyz(7.9531, 6.2609, 30.0615)
Luminance0.0626 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C4197 #97721C
analogous
#1C7F97 #1C4197 #341C97
triadic
#1C4197 #971C41 #41971C
tetradic
#1C4197 #971C7F #97721C #1C9734
square
#1C4197 #971C7F #97721C #1C9734
split-complementary
#1C4197 #97341C #7F971C
monochromatic
#091530 #122B63 #1C4197 #2657CB #4F7ADE

Accessibility & contrast

On white

9.32
#1C4197 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.25
#1C4197 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4197
9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C4197#FFFFFF#000000##FFFFFF
##1C41971.009.322.259.32
#FFFFFF9.321.0021.001.00
#0000002.2521.001.0021.00
##FFFFFF9.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004D9A
Deuteranopia (green-blind)
#004195
Tritanopia (blue-blind)
#005665
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #1c4197;
/* rgb */ color: rgb(28, 65, 151);
/* oklch */ color: oklch(40.4% 0.148 263.6);
Tailwind
colors: {
  custom: {
    50: '#6e75b6',
    500: '#1c4197',
    950: '#000000',
  },
}
SCSS
$custom: #1c4197;
$custom-light: #6e75b6;
$custom-dark: #000000;
JSON
{
  "hex": "#1c4197",
  "rgb": {
    "r": 28,
    "g": 65,
    "b": 151
  },
  "hsl": {
    "h": 221.951,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40429,
    "c": 0.14762,
    "h": 263.6
  },
  "luminance": 0.06262
}

Semantic roles & 50–950 ramp

primary
#1C4197
secondary
#C19E4E
accent
#B73CEC
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#080811
muted
#7B7B80

Preview Lab

Preview with #1C4197

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

Preview Lab → · Contrast checker → · Palette generator →

#1C4197 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva