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Recognised as Colour

#1D396E

  • #1D396E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1D396E is a blue with RGB values 29, 57, 110 and HSL 219°, 58%, 27%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1D396E#1D396E
HEX#1D396E
RGBrgb(29, 57, 110)
RGB (0–1)0.1137, 0.2235, 0.4314
RGB percentages11.4%, 22.4%, 43.1%
HSLhsl(219.3, 58.3%, 27.3%)
HSV / HSBhsv(219.3, 73.6%, 43.1%)
CMYK73.6%, 48.2%, 0%, 56.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,915,246
CSS custom property--colour: #1D396E;

Brightness & contrast

Relative luminance0.04313WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.27:1
Contrast with white11.27:1WCAG normal text: AAA
Contrast with black1.86:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#E2C691

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E3F70no red cones; affects about 1% of men; ΔE 4.3 from the original
Deuteranopia#0D376Dno green cones; the most common form, about 1% of men; ΔE 2.2 from the original
Tritanopia#00454Eno blue cones; rare, and affects men and women equally; ΔE 33.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.27:1WCAG large text: AAA
Contrast with black, large text1.86:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.7Midnight blue · ΔE 28.8Steel blue · ΔE 30.9Rebecca purple · ΔE 37.1Dark slate grey · ΔE 37.3Slate grey · ΔE 38.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.66, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6E521D
Analogous#1D626E, #291D6E
Triadic#6E1D39, #396E1D
Split complementary#6E291D, #626E1D
Tetradic#6E1D62, #6E521D, #1D6E29

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7B9CDC
Lighter +30%#527ED2
Lighter +20%#3263BF
Lighter +10%#284E96
Darker −10%#122446
Darker −20%#080F1D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0C347F
Less saturated −25%#2E3E5D

Channel breakdown

R29
G57
B110
Red29 (11.4%)
Green57 (22.4%)
Blue110 (43.1%)
Hue219.26°
Saturation (HSL)58.27%
Lightness27.25%
Dominant channelBlue
Hex per channelR 1D · G 39 · B 6E

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Every value on this page was computed from “1d396e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.