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#243B55 Charcoal Blue

The nearest named color to #243B55 is Charcoal Blue (#334155).

Build a palette from it

#243B55

Charcoal Blue

What are the RGB, HSL, OKLCH and CMYK values of #243B55?

HEX
#243B55
RGB
rgb(36, 59, 85)
HSL
hsl(212, 40%, 24%)
OKLCH
oklch(34.6% 0.054 252)
CMYK
58, 31, 0, 67

#243B55 has a contrast ratio of 11.46:1 against white and 1.83:1 against black, so white is the better background for text in this color and light text reads best on it.

Contrast checker

Text color (rows) on background (columns), scored against WCAG 2.2. White and near-black text on this color.

WCAG contrast ratio for each text and background color combination
Text ↓ / Bg → #243B55
#243B55
Same color
White
11.5AAA
Near-black
1.5Fail

AAA ≥ 7:1 · AA ≥ 4.5:1 body text· AA18 ≥ 3:1 large text (18pt, or 14pt bold) only

Text that works on each color

  • White on #243B55 · 11.5:1

Tints and shades of #243B55

Same hue and chroma in OKLCH, lighter to darker.

  1. #EEF6FF
  2. #BDD8F9
  3. #9EB9D9
  4. #819BBA
  5. #657E9C
  6. #4A627E
  7. #243B55
  8. #182E47
  9. #02162E

Colors that go with #243B55

Six harmony rules built from this color. Open any in the Studio.

Color blindness check

About 1 in 12 men and 1 in 200 women see color differently. Simulated with the Machado (2009) model.

Typical
Deuteranopia

No green cones — the most common form. No two swatches become hard to tell apart here.

Export

Copy-paste code, or download the swatches.

:root {
  --charcoal-blue-1: #243B55; /* Charcoal Blue */
}

Palettes, gradients and meshes with #243B55

Items using this color or one perceptually close to it, closest first.

Palettes (52)

Iceberg

Gradients (8)

Mesh gradients (8)