#1C4C8F#1C4C8F

#1C4C8F is a dark, vivid cyan. Relative luminance 0.074; OKLCH L 42.3% C 0.122 H 257.6°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX#1C4C8F
RGBrgb(28, 76, 143)
HSLhsl(215, 67%, 34%)
HSVhsv(215, 80%, 56%)
CMYKcmyk(80.4%, 46.9%, 0%, 43.9%)
CIE-LABlab(32.70, 9.40, -41.67)
CIE-LCHlch(32.70, 42.72, 282.71°)
OKLaboklab(42.26% -0.0262 -0.1196)
OKLCHoklch(42.26% 0.122 257.6)
XYZxyz(8.0194, 7.3980, 26.9866)
Luminance0.0740 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C4C8F #8F5F1C
analogous
#1C858F #1C4C8F #261C8F
triadic
#1C4C8F #8F1C4C #4C8F1C
tetradic
#1C4C8F #8F1C85 #8F5F1C #1C8F26
square
#1C4C8F #8F1C85 #8F5F1C #1C8F26
split-complementary
#1C4C8F #8F261C #858F1C
monochromatic
#081629 #12315C #1C4C8F #2667C2 #4A87DC

Accessibility & contrast

On white

8.47
#1C4C8F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.48
#1C4C8F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4C8F
8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C4C8F#FFFFFF#000000##FFFFFF
##1C4C8F1.008.472.488.47
#FFFFFF8.471.0021.001.00
#0000002.4821.001.0021.00
##FFFFFF8.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#285292
Deuteranopia (green-blind)
#0C488E
Tritanopia (blue-blind)
#005C66
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #1c4c8f;
/* rgb */ color: rgb(28, 76, 143);
/* oklch */ color: oklch(42.3% 0.122 257.6);
Tailwind
colors: {
  custom: {
    50: '#6b7db0',
    500: '#1c4c8f',
    950: '#000000',
  },
}
SCSS
$custom: #1c4c8f;
$custom-light: #6b7db0;
$custom-dark: #000000;
JSON
{
  "hex": "#1c4c8f",
  "rgb": {
    "r": 28,
    "g": 76,
    "b": 143
  },
  "hsl": {
    "h": 214.957,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.42255,
    "c": 0.1224,
    "h": 257.6
  },
  "luminance": 0.07399
}

Semantic roles & 50–950 ramp

primary
#1C4C8F
secondary
#BE8D49
accent
#A23EEA
background
#F6F7FA
surface
#ECEEF5
border
#C7C9CF
text
#080910
muted
#7A7B7F

Preview Lab

Preview with #1C4C8F

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

Preview Lab → · Contrast checker → · Palette generator →

#1C4C8F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva