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Colour

#00406F

  • #00406F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#00406F is a blue with RGB values 0, 64, 111 and HSL 205°, 100%, 22%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#00406F#00406F
HEX#00406F
RGBrgb(0, 64, 111)
RGB (0–1)0, 0.251, 0.4353
RGB percentages0%, 25.1%, 43.5%
HSLhsl(205.4, 100%, 21.8%)
HSV / HSBhsv(205.4, 100%, 43.5%)
CMYK100%, 42.3%, 0%, 56.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,495
CSS custom property--colour: #00406F;

Brightness & contrast

Relative luminance0.04814WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.7:1
Contrast with white10.7:1WCAG normal text: AAA
Contrast with black1.96:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#FFBF90

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#284371no red cones; affects about 1% of men; ΔE 5.2 from the original
Deuteranopia#163A6Eno green cones; the most common form, about 1% of men; ΔE 6.3 from the original
Tritanopia#004B52no blue cones; rare, and affects men and women equally; ΔE 29.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.7:1WCAG large text: AAA
Contrast with black, large text1.96:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 26.7Steel blue · ΔE 26.9Dark slate grey · ΔE 31.8Slate grey · ΔE 34.5Midnight blue · ΔE 36.2Light slate grey · ΔE 36.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 26.74, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6F2F00
Analogous#006F67, #00086F
Triadic#6F0040, #406F00
Split complementary#6F0008, #6F6700
Tetradic#67006F, #6F2F00, #086F00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3CACFF
Lighter +30%#0997FF
Lighter +20%#007BD5
Lighter +10%#005DA2
Darker −10%#00233C
Darker −20%#000509
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00406F
Less saturated −25%#0E3E61

Channel breakdown

R0
G64
B111
Red0 (0%)
Green64 (25.1%)
Blue111 (43.5%)
Hue205.41°
Saturation (HSL)100%
Lightness21.76%
Dominant channelBlue
Hex per channelR 00 · G 40 · B 6F

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Every value on this page was computed from “00406f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.