#1C4F84#1C4F84

#1C4F84 is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.2% C 0.103 H 252.3°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX#1C4F84
RGBrgb(28, 79, 132)
HSLhsl(211, 65%, 31%)
HSVhsv(211, 79%, 52%)
CMYKcmyk(78.8%, 40.2%, 0%, 48.2%)
CIE-LABlab(32.93, 2.97, -34.55)
CIE-LCHlch(32.93, 34.68, 274.92°)
OKLaboklab(42.21% -0.0314 -0.0986)
OKLCHoklch(42.21% 0.103 252.3)
XYZxyz(7.4382, 7.5039, 22.8817)
Luminance0.0751 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C4F84 #84511C
analogous
#1C8384 #1C4F84 #1D1C84
triadic
#1C4F84 #841C4F #4F841C
tetradic
#1C4F84 #841C83 #84511C #1C841D
square
#1C4F84 #841C83 #84511C #1C841D
split-complementary
#1C4F84 #841D1C #83841C
monochromatic
#07131F #113152 #1C4F84 #276DB6 #438CD7

Accessibility & contrast

On white

8.40
#1C4F84 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.50
#1C4F84 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4F84
8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C4F84#FFFFFF#000000##FFFFFF
##1C4F841.008.402.508.40
#FFFFFF8.401.0021.001.00
#0000002.5021.001.0021.00
##FFFFFF8.401.0021.001.00

Color blindness preview

Protanopia (red-blind)
#365386
Deuteranopia (green-blind)
#264983
Tritanopia (blue-blind)
#005C63
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #1c4f84;
/* rgb */ color: rgb(28, 79, 132);
/* oklch */ color: oklch(42.2% 0.103 252.3);
Tailwind
colors: {
  custom: {
    50: '#687fa8',
    500: '#1c4f84',
    950: '#000000',
  },
}
SCSS
$custom: #1c4f84;
$custom-light: #687fa8;
$custom-dark: #000000;
JSON
{
  "hex": "#1c4f84",
  "rgb": {
    "r": 28,
    "g": 79,
    "b": 132
  },
  "hsl": {
    "h": 210.577,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.42211,
    "c": 0.10345,
    "h": 252.3
  },
  "luminance": 0.07505
}

Semantic roles & 50–950 ramp

primary
#1C4F84
secondary
#B77F45
accent
#9640E8
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #1C4F84

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

Preview Lab → · Contrast checker → · Palette generator →

#1C4F84 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva