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Recognised as Colour

#15386A

  • #15386A
  • Blue
  • Dark
  • Nearest: Dark slateblue

#15386A is a blue with RGB values 21, 56, 106 and HSL 215°, 67%, 25%. It is a dark colour, so white text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#15386A#15386A
HEX#15386A
RGBrgb(21, 56, 106)
RGB (0–1)0.0824, 0.2196, 0.4157
RGB percentages8.2%, 22%, 41.6%
HSLhsl(215.3, 66.9%, 24.9%)
HSV / HSBhsv(215.3, 80.2%, 41.6%)
CMYK80.2%, 47.2%, 0%, 58.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,390,698
CSS custom property--colour: #15386A;

Brightness & contrast

Relative luminance0.04028WCAG 2.x, 0 is black and 1 is white
Perceived brightness57 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.63:1
Contrast with white11.63:1WCAG normal text: AAA
Contrast with black1.81:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#EAC795

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E3D6Cno red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#0D3569no green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#00444Bno blue cones; rare, and affects men and women equally; ΔE 32.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.63:1WCAG large text: AAA
Contrast with black, large text1.81:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 22.2Midnight blue · ΔE 30.8Steel blue · ΔE 30.8Dark slate grey · ΔE 35.5Slate grey · ΔE 37.8Dim grey · ΔE 39.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 22.25, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6A4715
Analogous#15636A, #1C156A
Triadic#6A1538, #386A15
Split complementary#6A1D15, #626A15
Tetradic#6A1563, #6A4715, #156A1D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6A9BE1
Lighter +30%#3F7ED9
Lighter +20%#2665BF
Lighter +10%#1D4E95
Darker −10%#0D223F
Darker −20%#040B15
Darker −30%#000000
Darker −40%#000000
More saturated +25%#05357A
Less saturated −25%#253B5A

Channel breakdown

R21
G56
B106
Red21 (8.2%)
Green56 (22%)
Blue106 (41.6%)
Hue215.29°
Saturation (HSL)66.93%
Lightness24.9%
Dominant channelBlue
Hex per channelR 15 · G 38 · B 6A

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Every value on this page was computed from “15386a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.