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Recognised as Colour

#1C344E

  • #1C344E
  • Blue
  • Dark
  • Nearest: Dark slate grey

#1C344E is a blue with RGB values 28, 52, 78 and HSL 211°, 47%, 21%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1C344E#1C344E
HEX#1C344E
RGBrgb(28, 52, 78)
RGB (0–1)0.1098, 0.2039, 0.3059
RGB percentages11%, 20.4%, 30.6%
HSLhsl(211.2, 47.2%, 20.8%)
HSV / HSBhsv(211.2, 64.1%, 30.6%)
CMYK64.1%, 33.3%, 0%, 69.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,848,398
CSS custom property--colour: #1C344E;

Brightness & contrast

Relative luminance0.03253WCAG 2.x, 0 is black and 1 is white
Perceived brightness50.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.72:1
Contrast with white12.72:1WCAG normal text: AAA
Contrast with black1.65:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#E3CBB1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#29354Fno red cones; affects about 1% of men; ΔE 3.7 from the original
Deuteranopia#23304Dno green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#003A3Dno blue cones; rare, and affects men and women equally; ΔE 19.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.72:1WCAG large text: AAA
Contrast with black, large text1.65:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 21.5Black · ΔE 28.2Dim grey · ΔE 30Slate grey · ΔE 32.9Steel blue · ΔE 34.4Light slate grey · ΔE 35.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 21.54, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4E361C
Analogous#1C4D4E, #1D1C4E
Triadic#4E1C34, #344E1C
Split complementary#4E1D1C, #4D4E1C
Tetradic#4E1C4D, #4E361C, #1C4E1D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6C99CA
Lighter +30%#467FBD
Lighter +20%#376699
Lighter +10%#294D74
Darker −10%#0F1B28
Darker −20%#010203
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0F335B
Less saturated −25%#293541

Channel breakdown

R28
G52
B78
Red28 (11%)
Green52 (20.4%)
Blue78 (30.6%)
Hue211.2°
Saturation (HSL)47.17%
Lightness20.78%
Dominant channelBlue
Hex per channelR 1C · G 34 · B 4E

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Every value on this page was computed from “1c344e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.