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Recognised as Colour

#042EBA

  • #042EBA
  • Blue
  • Dark
  • Nearest: Dark blue

#042EBA is a blue with RGB values 4, 46, 186 and HSL 226°, 96%, 37%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#042EBA#042EBA
HEX#042EBA
RGBrgb(4, 46, 186)
RGB (0–1)0.0157, 0.1804, 0.7294
RGB percentages1.6%, 18%, 72.9%
HSLhsl(226.2, 95.8%, 37.3%)
HSV / HSBhsv(226.2, 97.8%, 72.9%)
CMYK97.8%, 75.3%, 0%, 27.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer274,106
CSS custom property--colour: #042EBA;

Brightness & contrast

Relative luminance0.05525WCAG 2.x, 0 is black and 1 is white
Perceived brightness72 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.98:1
Contrast with white9.98:1WCAG normal text: AAA
Contrast with black2.1:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#FBD145

Colour vision & accessibility

Protanopia#004BBEno red cones; affects about 1% of men; ΔE 21.1 from the original
Deuteranopia#003AB8no green cones; the most common form, about 1% of men; ΔE 10.1 from the original
Tritanopia#005872no blue cones; rare, and affects men and women equally; ΔE 78.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.98:1WCAG large text: AAA
Contrast with black, large text2.1:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark blue (#00008B)ΔE 15.88, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#BA9004
Analogous#0489BA, #3504BA
Triadic#BA042E, #2EBA04
Split complementary#BA3504, #89BA04
Tetradic#BA0489, #BA9004, #04BA35

Tints, shades & saturation

Lighter +40%#8DA7FD
Lighter +30%#5C80FB
Lighter +20%#2A5AFA
Lighter +10%#053AEC
Darker −10%#032288
Darker −20%#021556
Darker −30%#010924
Darker −40%#000000
More saturated +25%#002CBE
Less saturated −25%#1C3BA2

Channel breakdown

R4
G46
B186
Red4 (1.6%)
Green46 (18%)
Blue186 (72.9%)
Hue226.15°
Saturation (HSL)95.79%
Lightness37.25%
Dominant channelBlue
Hex per channelR 04 · G 2E · B BA

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Every value on this page was computed from “042eba” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.