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Recognised as Colour

#071551

  • #071551
  • Blue
  • Dark
  • Nearest: Midnight blue

#071551 is a blue with RGB values 7, 21, 81 and HSL 229°, 84%, 17%. 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

#071551#071551
HEX#071551
RGBrgb(7, 21, 81)
RGB (0–1)0.0275, 0.0824, 0.3176
RGB percentages2.7%, 8.2%, 31.8%
HSLhsl(228.6, 84.1%, 17.3%)
HSV / HSBhsv(228.6, 91.4%, 31.8%)
CMYK91.4%, 74.1%, 0%, 68.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer464,209
CSS custom property--colour: #071551;

Brightness & contrast

Relative luminance0.01176WCAG 2.x, 0 is black and 1 is white
Perceived brightness32 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17:1
Contrast with white17:1WCAG normal text: AAA
Contrast with black1.24:1WCAG normal text: Fail
Greyscale equivalent#161616
Inverted#F8EAAE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002053no red cones; affects about 1% of men; ΔE 9.7 from the original
Deuteranopia#001950no green cones; the most common form, about 1% of men; ΔE 4.7 from the original
Tritanopia#002631no blue cones; rare, and affects men and women equally; ΔE 39.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17:1WCAG large text: AAA
Contrast with black, large text1.24:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 17Dark slateblue · ΔE 21.6Rebecca purple · ΔE 33Indigo · ΔE 36.1Navy · ΔE 38Purple · ΔE 43
Nearest named CSS colourMidnight blue (#191970)ΔE 16.98, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#514307
Analogous#073A51, #1E0751
Triadic#510715, #155107
Split complementary#511E07, #3A5107
Tetradic#51073A, #514307, #07511E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3659EE
Lighter +30%#133ADE
Lighter +20%#0F2DAF
Lighter +10%#0B2180
Darker −10%#030922
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001158
Less saturated −25%#121C46

Channel breakdown

R7
G21
B81
Red7 (2.7%)
Green21 (8.2%)
Blue81 (31.8%)
Hue228.65°
Saturation (HSL)84.09%
Lightness17.25%
Dominant channelBlue
Hex per channelR 07 · G 15 · B 51

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Every value on this page was computed from “hex 071551” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.