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Recognised as Colour

#040AF4

  • #040AF4
  • Blue
  • Dark
  • Nearest: Blue

#040AF4 is a blue with RGB values 4, 10, 244 and HSL 239°, 97%, 49%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#040AF4#040AF4
HEX#040AF4
RGBrgb(4, 10, 244)
RGB (0–1)0.0157, 0.0392, 0.9569
RGB percentages1.6%, 3.9%, 95.7%
HSLhsl(238.5, 96.8%, 48.6%)
HSV / HSBhsv(238.5, 98.4%, 95.7%)
CMYK98.4%, 95.9%, 0%, 4.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer264,948
CSS custom property--colour: #040AF4;

Brightness & contrast

Relative luminance0.06775WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.92:1
Contrast with white8.92:1WCAG normal text: AAA
Contrast with black2.35:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#FBF50B

Colour vision & accessibility

Protanopia#0056F9no red cones; affects about 1% of men; ΔE 38.4 from the original
Deuteranopia#003CF1no green cones; the most common form, about 1% of men; ΔE 23.2 from the original
Tritanopia#006790no blue cones; rare, and affects men and women equally; ΔE 112.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.92:1WCAG large text: AAA
Contrast with black, large text2.35:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlue (#0000FF)ΔE 6.22, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#F4EE04
Analogous#0482F4, #7604F4
Triadic#F4040A, #0AF404
Split complementary#F47604, #82F404
Tetradic#F40482, #F4EE04, #04F476

Tints, shades & saturation

Lighter +40%#C6C7FE
Lighter +30%#9496FD
Lighter +20%#6265FC
Lighter +10%#2F35FC
Darker −10%#0308C2
Darker −20%#020690
Darker −30%#02045D
Darker −40%#01022B
More saturated +25%#0006F8
Less saturated −25%#2327D5

Channel breakdown

R4
G10
B244
Red4 (1.6%)
Green10 (3.9%)
Blue244 (95.7%)
Hue238.5°
Saturation (HSL)96.77%
Lightness48.63%
Dominant channelBlue
Hex per channelR 04 · G 0A · B F4

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Every value on this page was computed from “040af4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.