#1C479F#1C479F

#1C479F is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.4% C 0.151 H 262.4°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX#1C479F
RGBrgb(28, 71, 159)
HSLhsl(220, 70%, 37%)
HSVhsv(220, 82%, 62%)
CMYKcmyk(82.4%, 55.3%, 0%, 37.6%)
CIE-LABlab(32.38, 19.25, -51.90)
CIE-LCHlch(32.38, 55.35, 290.35°)
OKLaboklab(42.38% -0.02 -0.1498)
OKLCHoklch(42.38% 0.151 262.4)
XYZxyz(8.9879, 7.2555, 33.7209)
Luminance0.0726 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C479F #9F741C
analogous
#1C899F #1C479F #331C9F
triadic
#1C479F #9F1C47 #479F1C
tetradic
#1C479F #9F1C89 #9F741C #1C9F33
square
#1C479F #9F1C89 #9F741C #1C9F33
split-complementary
#1C479F #9F331C #899F1C
monochromatic
#0A1937 #13306B #1C479F #255ED3 #5483E1

Accessibility & contrast

On white

8.57
#1C479F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.45
#1C479F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C479F
8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C479F#FFFFFF#000000##FFFFFF
##1C479F1.008.572.458.57
#FFFFFF8.571.0021.001.00
#0000002.4521.001.0021.00
##FFFFFF8.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0052A2
Deuteranopia (green-blind)
#00469D
Tritanopia (blue-blind)
#005D6C
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #1c479f;
/* rgb */ color: rgb(28, 71, 159);
/* oklch */ color: oklch(42.4% 0.151 262.4);
Tailwind
colors: {
  custom: {
    50: '#6f79bc',
    500: '#1c479f',
    950: '#000000',
  },
}
SCSS
$custom: #1c479f;
$custom-light: #6f79bc;
$custom-dark: #000000;
JSON
{
  "hex": "#1c479f",
  "rgb": {
    "r": 28,
    "g": 71,
    "b": 159
  },
  "hsl": {
    "h": 220.305,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.4238,
    "c": 0.1511,
    "h": 262.4
  },
  "luminance": 0.07257
}

Semantic roles & 50–950 ramp

primary
#1C479F
secondary
#C49F53
accent
#B23BED
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#090912
muted
#7B7B81

Preview Lab

Preview with #1C479F

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

Preview Lab → · Contrast checker → · Palette generator →

#1C479F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva