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Recognised as Colour

#042773

  • #042773
  • Blue
  • Dark
  • Nearest: Midnight blue

#042773 is a blue with RGB values 4, 39, 115 and HSL 221°, 93%, 23%. It is a dark colour, so white text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#042773#042773
HEX#042773
RGBrgb(4, 39, 115)
RGB (0–1)0.0157, 0.1529, 0.451
RGB percentages1.6%, 15.3%, 45.1%
HSLhsl(221.1, 93.3%, 23.3%)
HSV / HSBhsv(221.1, 96.5%, 45.1%)
CMYK96.5%, 66.1%, 0%, 54.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer272,243
CSS custom property--colour: #042773;

Brightness & contrast

Relative luminance0.02715WCAG 2.x, 0 is black and 1 is white
Perceived brightness49 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.61:1
Contrast with white13.61:1WCAG normal text: AAA
Contrast with black1.54:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#FBD88C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003375no red cones; affects about 1% of men; ΔE 10.1 from the original
Deuteranopia#002972no green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#003B49no blue cones; rare, and affects men and women equally; ΔE 47 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.61:1WCAG large text: AAA
Contrast with black, large text1.54:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 10.8Dark slateblue · ΔE 13.5Rebecca purple · ΔE 25.4Indigo · ΔE 30.7Navy · ΔE 32Slate blue · ΔE 32.1
Nearest named CSS colourMidnight blue (#191970)ΔE 10.83, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#735004
Analogous#045F73, #180473
Triadic#730427, #277304
Split complementary#731904, #5E7304
Tetradic#73045F, #735004, #047319

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4A81F9
Lighter +30%#195FF7
Lighter +20%#0748D6
Lighter +10%#0638A4
Darker −10%#021642
Darker −20%#010610
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002677
Less saturated −25%#132C64

Channel breakdown

R4
G39
B115
Red4 (1.6%)
Green39 (15.3%)
Blue115 (45.1%)
Hue221.08°
Saturation (HSL)93.28%
Lightness23.33%
Dominant channelBlue
Hex per channelR 04 · G 27 · B 73

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Every value on this page was computed from “hex 042773” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.