Nerdulator> put something in

Recognised as Colour

#05174C

  • #05174C
  • Blue
  • Dark
  • Nearest: Midnight blue

#05174C is a blue with RGB values 5, 23, 76 and HSL 225°, 88%, 16%. It is a dark colour, so white text on it reaches 17:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#05174C#05174C
HEX#05174C
RGBrgb(5, 23, 76)
RGB (0–1)0.0196, 0.0902, 0.298
RGB percentages2%, 9%, 29.8%
HSLhsl(224.8, 87.7%, 15.9%)
HSV / HSBhsv(224.8, 93.4%, 29.8%)
CMYK93.4%, 69.7%, 0%, 70.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer333,644
CSS custom property--colour: #05174C;

Brightness & contrast

Relative luminance0.01167WCAG 2.x, 0 is black and 1 is white
Perceived brightness31.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.03:1
Contrast with white17.03:1WCAG normal text: AAA
Contrast with black1.23:1WCAG normal text: Fail
Greyscale equivalent#171717
Inverted#FAE8B3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00204Eno red cones; affects about 1% of men; ΔE 8 from the original
Deuteranopia#00194Bno green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#00252Fno blue cones; rare, and affects men and women equally; ΔE 35.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.03:1WCAG large text: AAA
Contrast with black, large text1.23:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 21.9Dark slateblue · ΔE 23.8Rebecca purple · ΔE 36.8Black · ΔE 39.8Indigo · ΔE 41Navy · ΔE 43.1
Nearest named CSS colourMidnight blue (#191970)ΔE 21.9, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4C3A05
Analogous#053A4C, #17054C
Triadic#4C0517, #174C05
Split complementary#4C1705, #3A4C05
Tetradic#4C053A, #4C3A05, #054C17

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2C5EF1
Lighter +30%#0E42DC
Lighter +20%#0B34AC
Lighter +10%#08257C
Darker −10%#02091C
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001551
Less saturated −25%#0F1C42

Channel breakdown

R5
G23
B76
Red5 (2%)
Green23 (9%)
Blue76 (29.8%)
Hue224.79°
Saturation (HSL)87.65%
Lightness15.88%
Dominant channelBlue
Hex per channelR 05 · G 17 · B 4C

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “05174c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.