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Recognised as Colour

#064064

  • #064064
  • Blue
  • Dark
  • Nearest: Dark slate grey

#064064 is a blue with RGB values 6, 64, 100 and HSL 203°, 89%, 21%. It is a dark colour, so white text on it reaches 10.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#064064#064064
HEX#064064
RGBrgb(6, 64, 100)
RGB (0–1)0.0235, 0.251, 0.3922
RGB percentages2.4%, 25.1%, 39.2%
HSLhsl(203, 88.7%, 20.8%)
HSV / HSBhsv(203, 94%, 39.2%)
CMYK94%, 36%, 0%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer409,700
CSS custom property--colour: #064064;

Brightness & contrast

Relative luminance0.04626WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.91:1
Contrast with white10.91:1WCAG normal text: AAA
Contrast with black1.93:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#F9BF9B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2F4166no red cones; affects about 1% of men; ΔE 7.8 from the original
Deuteranopia#223963no green cones; the most common form, about 1% of men; ΔE 8.7 from the original
Tritanopia#00494Dno blue cones; rare, and affects men and women equally; ΔE 23.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.91:1WCAG large text: AAA
Contrast with black, large text1.93:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 24.7Steel blue · ΔE 27.6Slate grey · ΔE 31.3Dim grey · ΔE 32.2Dark slateblue · ΔE 33.3Light slate grey · ΔE 33.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 24.71, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#642A06
Analogous#066459, #061164
Triadic#640640, #406406
Split complementary#640611, #645906
Tetradic#590664, #642A06, #116406

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#42B0F4
Lighter +30%#129CF1
Lighter +20%#0C7EC4
Lighter +10%#095F94
Darker −10%#032134
Darker −20%#000204
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00416A
Less saturated −25%#133D57

Channel breakdown

R6
G64
B100
Red6 (2.4%)
Green64 (25.1%)
Blue100 (39.2%)
Hue202.98°
Saturation (HSL)88.68%
Lightness20.78%
Dominant channelBlue
Hex per channelR 06 · G 40 · B 64

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Every value on this page was computed from “hex 064064” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.