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Recognised as Colour

#06378E

  • #06378E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#06378E is a blue with RGB values 6, 55, 142 and HSL 218°, 92%, 29%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#06378E#06378E
HEX#06378E
RGBrgb(6, 55, 142)
RGB (0–1)0.0235, 0.2157, 0.5569
RGB percentages2.4%, 21.6%, 55.7%
HSLhsl(218.4, 91.9%, 29%)
HSV / HSBhsv(218.4, 95.8%, 55.7%)
CMYK95.8%, 61.3%, 0%, 44.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer407,438
CSS custom property--colour: #06378E;

Brightness & contrast

Relative luminance0.04724WCAG 2.x, 0 is black and 1 is white
Perceived brightness63.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.8:1
Contrast with white10.8:1WCAG normal text: AAA
Contrast with black1.94:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#F9C871

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004491no red cones; affects about 1% of men; ΔE 10.1 from the original
Deuteranopia#00388Cno green cones; the most common form, about 1% of men; ΔE 2.2 from the original
Tritanopia#004E5Dno blue cones; rare, and affects men and women equally; ΔE 52.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.8:1WCAG large text: AAA
Contrast with black, large text1.94:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.9Midnight blue · ΔE 14.3Rebecca purple · ΔE 22.7Slate blue · ΔE 24.7Royal blue · ΔE 26Indigo · ΔE 30.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.87, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8E5D06
Analogous#067B8E, #19068E
Triadic#8E0637, #378E06
Split complementary#8E1906, #7B8E06
Tetradic#8E067B, #8E5D06, #068E19

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#679CF9
Lighter +30%#367CF7
Lighter +20%#0A5DF0
Lighter +10%#084ABF
Darker −10%#04245D
Darker −20%#02112C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003594
Less saturated −25%#193C7C

Channel breakdown

R6
G55
B142
Red6 (2.4%)
Green55 (21.6%)
Blue142 (55.7%)
Hue218.38°
Saturation (HSL)91.89%
Lightness29.02%
Dominant channelBlue
Hex per channelR 06 · G 37 · B 8E

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Every value on this page was computed from “06378e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.