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Recognised as Colour

#05406B

  • #05406B
  • Blue
  • Dark
  • Nearest: Steel blue

#05406B is a blue with RGB values 5, 64, 107 and HSL 205°, 91%, 22%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#05406B#05406B
HEX#05406B
RGBrgb(5, 64, 107)
RGB (0–1)0.0196, 0.251, 0.4196
RGB percentages2%, 25.1%, 42%
HSLhsl(205.3, 91.1%, 22%)
HSV / HSBhsv(205.3, 95.3%, 42%)
CMYK95.3%, 40.2%, 0%, 58%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer344,171
CSS custom property--colour: #05406B;

Brightness & contrast

Relative luminance0.04761WCAG 2.x, 0 is black and 1 is white
Perceived brightness61 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.76:1
Contrast with white10.76:1WCAG normal text: AAA
Contrast with black1.95:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#FABF94

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2B426Dno red cones; affects about 1% of men; ΔE 5.9 from the original
Deuteranopia#1B3A6Ano green cones; the most common form, about 1% of men; ΔE 6.6 from the original
Tritanopia#004A50no blue cones; rare, and affects men and women equally; ΔE 27.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.76:1WCAG large text: AAA
Contrast with black, large text1.95:1WCAG large text: Fail

Named colours

Steel blue · ΔE 26.9Dark slateblue · ΔE 28.9Dark slate grey · ΔE 29.2Slate grey · ΔE 33.1Dim grey · ΔE 35.1Light slate grey · ΔE 35.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 26.89, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6B3005
Analogous#056B63, #050D6B
Triadic#6B0540, #406B05
Split complementary#6B050D, #6B6305
Tetradic#63056B, #6B3005, #0D6B05

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#46ACF6
Lighter +30%#1596F4
Lighter +20%#0A7ACC
Lighter +10%#075D9C
Darker −10%#03233A
Darker −20%#00060A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004170
Less saturated −25%#133E5D

Channel breakdown

R5
G64
B107
Red5 (2%)
Green64 (25.1%)
Blue107 (42%)
Hue205.29°
Saturation (HSL)91.07%
Lightness21.96%
Dominant channelBlue
Hex per channelR 05 · G 40 · B 6B

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Every value on this page was computed from “05406b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.