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Colour

#1C365E

  • #1C365E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1C365E is a blue with RGB values 28, 54, 94 and HSL 216°, 54%, 24%. It is a dark colour, so white text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1C365E#1C365E
HEX#1C365E
RGBrgb(28, 54, 94)
RGB (0–1)0.1098, 0.2118, 0.3686
RGB percentages11%, 21.2%, 36.9%
HSLhsl(216.4, 54.1%, 23.9%)
HSV / HSBhsv(216.4, 70.2%, 36.9%)
CMYK70.2%, 42.6%, 0%, 63.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,848,926
CSS custom property--colour: #1C365E;

Brightness & contrast

Relative luminance0.03693WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.08:1
Contrast with white12.08:1WCAG normal text: AAA
Contrast with black1.74:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#E3C9A1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#243960no red cones; affects about 1% of men; ΔE 1.9 from the original
Deuteranopia#1A335Dno green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#003F45no blue cones; rare, and affects men and women equally; ΔE 27 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.08:1WCAG large text: AAA
Contrast with black, large text1.74:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 27.5Dark slate grey · ΔE 29.6Steel blue · ΔE 31.6Dim grey · ΔE 34.9Slate grey · ΔE 35Black · ΔE 35.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 27.47, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5E441C
Analogous#1C575E, #231C5E
Triadic#5E1C36, #365E1C
Split complementary#5E231C, #575E1C
Tetradic#5E1C57, #5E441C, #1C5E23

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7198D5
Lighter +30%#4A7CC9
Lighter +20%#3363AD
Lighter +10%#284D85
Darker −10%#101F37
Darker −20%#05090F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0D336D
Less saturated −25%#2B394F

Channel breakdown

R28
G54
B94
Red28 (11%)
Green54 (21.2%)
Blue94 (36.9%)
Hue216.36°
Saturation (HSL)54.1%
Lightness23.92%
Dominant channelBlue
Hex per channelR 1C · G 36 · B 5E

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Every value on this page was computed from “1c365e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.