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Recognised as Colour

#05072B

  • #05072B
  • Blue
  • Dark
  • Nearest: Black

#05072B is a blue with RGB values 5, 7, 43 and HSL 237°, 79%, 9%. It is a dark colour, so white text on it reaches 19.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#05072B#05072B
HEX#05072B
RGBrgb(5, 7, 43)
RGB (0–1)0.0196, 0.0275, 0.1686
RGB percentages2%, 2.7%, 16.9%
HSLhsl(236.8, 79.2%, 9.4%)
HSV / HSBhsv(236.8, 88.4%, 16.9%)
CMYK88.4%, 83.7%, 0%, 83.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer329,515
CSS custom property--colour: #05072B;

Brightness & contrast

Relative luminance0.00359WCAG 2.x, 0 is black and 1 is white
Perceived brightness15.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.59:1
Contrast with white19.59:1WCAG normal text: AAA
Contrast with black1.07:1WCAG normal text: Fail
Greyscale equivalent#090909
Inverted#FAF8D4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#000E2Cno red cones; affects about 1% of men; ΔE 4.2 from the original
Deuteranopia#000A2Ano green cones; the most common form, about 1% of men; ΔE 3.2 from the original
Tritanopia#001117no blue cones; rare, and affects men and women equally; ΔE 21.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.59:1WCAG large text: AAA
Contrast with black, large text1.07:1WCAG large text: Fail

Named colours

Black · ΔE 24.5Midnight blue · ΔE 37.3Dark slateblue · ΔE 37.7Dark slate grey · ΔE 39.8Dim grey · ΔE 47.8Rebecca purple · ΔE 51.1
Nearest named CSS colourBlack (#000000)ΔE 24.49, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2B2905
Analogous#051A2B, #16052B
Triadic#2B0507, #072B05
Split complementary#2B1605, #1A2B05
Tetradic#2B051A, #2B2905, #052B16

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1A25E2
Lighter +30%#151DB4
Lighter +20%#101686
Lighter +10%#0A0E59
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000330
Less saturated −25%#0B0C25

Channel breakdown

R5
G7
B43
Red5 (2%)
Green7 (2.7%)
Blue43 (16.9%)
Hue236.84°
Saturation (HSL)79.17%
Lightness9.41%
Dominant channelBlue
Hex per channelR 05 · G 07 · B 2B

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Every value on this page was computed from “05072b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.