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Recognised as Colour

#0078CF

  • #0078CF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#0078CF is a blue with RGB values 0, 120, 207 and HSL 205°, 100%, 41%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#0078CF#0078CF
HEX#0078CF
RGBrgb(0, 120, 207)
RGB (0–1)0, 0.4706, 0.8118
RGB percentages0%, 47.1%, 81.2%
HSLhsl(205.2, 100%, 40.6%)
HSV / HSBhsv(205.2, 100%, 81.2%)
CMYK100%, 42%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer30,927
CSS custom property--colour: #0078CF;

Brightness & contrast

Relative luminance0.17938WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.59:1
Contrast with white4.58:1WCAG normal text: AA
Contrast with black4.59:1WCAG normal text: AA
Greyscale equivalent#656565
Inverted#FF8730

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B7ED2no red cones; affects about 1% of men; ΔE 7.1 from the original
Deuteranopia#266ECDno green cones; the most common form, about 1% of men; ΔE 8.4 from the original
Tritanopia#008D99no blue cones; rare, and affects men and women equally; ΔE 49.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.58:1WCAG large text: AAA
Contrast with black, large text4.59:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 13.6Dodgerblue · ΔE 15.5Steel blue · ΔE 22.5Royal blue · ΔE 24.8Dark slateblue · ΔE 30Slate blue · ΔE 31.7
Nearest named CSS colourCornflower blue (#6495ED)ΔE 13.63, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CF5700
Analogous#00CFBF, #0010CF
Triadic#CF0078, #78CF00
Split complementary#CF0010, #CFBF00
Tetradic#BF00CF, #CF5700, #10CF00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9CD5FF
Lighter +30%#69C0FF
Lighter +20%#36ABFF
Lighter +10%#0395FF
Darker −10%#005A9C
Darker −20%#003D69
Darker −30%#001F36
Darker −40%#000203
More saturated +25%#0078CF
Less saturated −25%#1A74B5

Channel breakdown

R0
G120
B207
Red0 (0%)
Green120 (47.1%)
Blue207 (81.2%)
Hue205.22°
Saturation (HSL)100%
Lightness40.59%
Dominant channelBlue
Hex per channelR 00 · G 78 · B CF

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Every value on this page was computed from “0078cf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.