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Recognised as Colour

#051522

  • #051522
  • Blue
  • Dark
  • Nearest: Black

#051522 is a blue with RGB values 5, 21, 34 and HSL 207°, 74%, 8%. It is a dark colour, so white text on it reaches 18.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#051522#051522
HEX#051522
RGBrgb(5, 21, 34)
RGB (0–1)0.0196, 0.0824, 0.1333
RGB percentages2%, 8.2%, 13.3%
HSLhsl(206.9, 74.4%, 7.6%)
HSV / HSBhsv(206.9, 85.3%, 13.3%)
CMYK85.3%, 38.2%, 0%, 86.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer333,090
CSS custom property--colour: #051522;

Brightness & contrast

Relative luminance0.00684WCAG 2.x, 0 is black and 1 is white
Perceived brightness20 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.47:1
Contrast with white18.47:1WCAG normal text: AAA
Contrast with black1.14:1WCAG normal text: Fail
Greyscale equivalent#131313
Inverted#FAEADD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0F1523no red cones; affects about 1% of men; ΔE 3.3 from the original
Deuteranopia#0B1222no green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#00181Ano blue cones; rare, and affects men and women equally; ΔE 9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.47:1WCAG large text: AAA
Contrast with black, large text1.14:1WCAG large text: Fail

Named colours

Black · ΔE 12.6Dark slate grey · ΔE 28.1Dim grey · ΔE 39.8Slate grey · ΔE 46.7Dark slateblue · ΔE 48.2Gray · ΔE 48.7
Nearest named CSS colourBlack (#000000)ΔE 12.57, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#221205
Analogous#052221, #050722
Triadic#220515, #152205
Split complementary#220507, #222005
Tetradic#210522, #221205, #072205

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1F83D4
Lighter +30%#1967A7
Lighter +20%#124C7B
Lighter +10%#0C304E
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001627
Less saturated −25%#0A141D

Channel breakdown

R5
G21
B34
Red5 (2%)
Green21 (8.2%)
Blue34 (13.3%)
Hue206.9°
Saturation (HSL)74.36%
Lightness7.65%
Dominant channelBlue
Hex per channelR 05 · G 15 · B 22

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Every value on this page was computed from “hex 051522” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.