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Colour

#040FC8

  • #040FC8
  • Blue
  • Dark
  • Nearest: Medium blue

#040FC8 is a blue with RGB values 4, 15, 200 and HSL 237°, 96%, 40%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#040FC8#040FC8
HEX#040FC8
RGBrgb(4, 15, 200)
RGB (0–1)0.0157, 0.0588, 0.7843
RGB percentages1.6%, 5.9%, 78.4%
HSLhsl(236.6, 96.1%, 40%)
HSV / HSBhsv(236.6, 98%, 78.4%)
CMYK98%, 92.5%, 0%, 21.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer266,184
CSS custom property--colour: #040FC8;

Brightness & contrast

Relative luminance0.04538WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.01:1
Contrast with white11.01:1WCAG normal text: AAA
Contrast with black1.91:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#FBF037

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0046CDno red cones; affects about 1% of men; ΔE 31.2 from the original
Deuteranopia#0031C5no green cones; the most common form, about 1% of men; ΔE 19.1 from the original
Tritanopia#005475no blue cones; rare, and affects men and women equally; ΔE 95.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.01:1WCAG large text: AAA
Contrast with black, large text1.91:1WCAG large text: Fail

Named colours

Medium blue · ΔE 5.8Blue violet · ΔE 22.5Dark blue · ΔE 25.1Dark violet · ΔE 26.4Blue · ΔE 26.8Navy · ΔE 30.4
Nearest named CSS colourMedium blue (#0000CD)ΔE 5.78, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C8BD04
Analogous#0471C8, #5B04C8
Triadic#C8040F, #0FC804
Split complementary#C85B04, #71C804
Tetradic#C80471, #C8BD04, #04C85B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9BA1FD
Lighter +30%#6971FC
Lighter +20%#3742FB
Lighter +10%#0513FA
Darker −10%#030B96
Darker −20%#020864
Darker −30%#010432
Darker −40%#000000
More saturated +25%#000BCC
Less saturated −25%#1E26AF

Channel breakdown

R4
G15
B200
Red4 (1.6%)
Green15 (5.9%)
Blue200 (78.4%)
Hue236.63°
Saturation (HSL)96.08%
Lightness40%
Dominant channelBlue
Hex per channelR 04 · G 0F · B C8

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Every value on this page was computed from “040fc8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.