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Recognised as Colour

#05247A

  • #05247A
  • Blue
  • Dark
  • Nearest: Midnight blue

#05247A is a blue with RGB values 5, 36, 122 and HSL 224°, 92%, 25%. 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

#05247A#05247A
HEX#05247A
RGBrgb(5, 36, 122)
RGB (0–1)0.0196, 0.1412, 0.4784
RGB percentages2%, 14.1%, 47.8%
HSLhsl(224.1, 92.1%, 24.9%)
HSV / HSBhsv(224.1, 95.9%, 47.8%)
CMYK95.9%, 70.5%, 0%, 52.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer337,018
CSS custom property--colour: #05247A;

Brightness & contrast

Relative luminance0.02699WCAG 2.x, 0 is black and 1 is white
Perceived brightness49.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.64:1
Contrast with white13.64:1WCAG normal text: AAA
Contrast with black1.54:1WCAG normal text: Fail
Greyscale equivalent#242424
Inverted#FADB85

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00337Dno red cones; affects about 1% of men; ΔE 11.9 from the original
Deuteranopia#002878no green cones; the most common form, about 1% of men; ΔE 4.7 from the original
Tritanopia#003C4Cno blue cones; rare, and affects men and women equally; ΔE 52.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.64:1WCAG large text: AAA
Contrast with black, large text1.54:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 5.9Dark slateblue · ΔE 15.1Rebecca purple · ΔE 21.7Indigo · ΔE 25Navy · ΔE 25.3Slate blue · ΔE 28.8
Nearest named CSS colourMidnight blue (#191970)ΔE 5.89, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7A5B05
Analogous#055F7A, #21057A
Triadic#7A0524, #247A05
Split complementary#7A2005, #5F7A05
Tetradic#7A055F, #7A5B05, #057A20

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#537FF8
Lighter +30%#225AF6
Lighter +20%#0941DC
Lighter +10%#0732AB
Darker −10%#031649
Darker −20%#010718
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00227F
Less saturated −25%#152B6A

Channel breakdown

R5
G36
B122
Red5 (2%)
Green36 (14.1%)
Blue122 (47.8%)
Hue224.1°
Saturation (HSL)92.13%
Lightness24.9%
Dominant channelBlue
Hex per channelR 05 · G 24 · B 7A

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Every value on this page was computed from “05247a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.