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Colour

#004366

  • #004366
  • Blue
  • Dark
  • Nearest: Dark slate grey

#004366 is a blue with RGB values 0, 67, 102 and HSL 201°, 100%, 20%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#004366#004366
HEX#004366
RGBrgb(0, 67, 102)
RGB (0–1)0, 0.2627, 0.4
RGB percentages0%, 26.3%, 40%
HSLhsl(200.6, 100%, 20%)
HSV / HSBhsv(200.6, 100%, 40%)
CMYK100%, 34.3%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer17,254
CSS custom property--colour: #004366;

Brightness & contrast

Relative luminance0.04974WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.53:1
Contrast with white10.53:1WCAG normal text: AAA
Contrast with black1.99:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#FFBC99

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#324468no red cones; affects about 1% of men; ΔE 9 from the original
Deuteranopia#243B65no green cones; the most common form, about 1% of men; ΔE 10.2 from the original
Tritanopia#004C4Fno blue cones; rare, and affects men and women equally; ΔE 23.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.53:1WCAG large text: AAA
Contrast with black, large text1.99:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 23.6Steel blue · ΔE 26.6Slate grey · ΔE 30.3Dim grey · ΔE 31.5Light slate grey · ΔE 32.7Dark slateblue · ΔE 34.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 23.63, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#662300
Analogous#006656, #001066
Triadic#660043, #436600
Split complementary#660010, #665600
Tetradic#560066, #662300, #106600

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#33B9FF
Lighter +30%#00A7FF
Lighter +20%#0086CC
Lighter +10%#006499
Darker −10%#002133
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004366
Less saturated −25%#0D3F59

Channel breakdown

R0
G67
B102
Red0 (0%)
Green67 (26.3%)
Blue102 (40%)
Hue200.59°
Saturation (HSL)100%
Lightness20%
Dominant channelBlue
Hex per channelR 00 · G 43 · B 66

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Every value on this page was computed from “hex 004366” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.