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Recognised as Colour

#051520

  • #051520
  • Blue
  • Dark
  • Nearest: Black

#051520 is a blue with RGB values 5, 21, 32 and HSL 204°, 73%, 7%. 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

#051520#051520
HEX#051520
RGBrgb(5, 21, 32)
RGB (0–1)0.0196, 0.0824, 0.1255
RGB percentages2%, 8.2%, 12.5%
HSLhsl(204.4, 73%, 7.3%)
HSV / HSBhsv(204.4, 84.4%, 12.5%)
CMYK84.4%, 34.4%, 0%, 87.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer333,088
CSS custom property--colour: #051520;

Brightness & contrast

Relative luminance0.00673WCAG 2.x, 0 is black and 1 is white
Perceived brightness19.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.51:1
Contrast with white18.51:1WCAG normal text: AAA
Contrast with black1.13:1WCAG normal text: Fail
Greyscale equivalent#121212
Inverted#FAEADF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#101521no red cones; affects about 1% of men; ΔE 3.6 from the original
Deuteranopia#0C1220no green cones; the most common form, about 1% of men; ΔE 3.9 from the original
Tritanopia#001819no blue cones; rare, and affects men and women equally; ΔE 8.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.51:1WCAG large text: AAA
Contrast with black, large text1.13:1WCAG large text: Fail

Named colours

Black · ΔE 11.5Dark slate grey · ΔE 27.6Dim grey · ΔE 39.5Slate grey · ΔE 46.8Gray · ΔE 48.5Dark slateblue · ΔE 49.6
Nearest named CSS colourBlack (#000000)ΔE 11.45, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#201005
Analogous#05201E, #050720
Triadic#200515, #152005
Split complementary#200507, #201E05
Tetradic#1E0520, #201005, #072005

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2189D0
Lighter +30%#1A6CA4
Lighter +20%#134F78
Lighter +10%#0C324C
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001625
Less saturated −25%#0A141B

Channel breakdown

R5
G21
B32
Red5 (2%)
Green21 (8.2%)
Blue32 (12.5%)
Hue204.44°
Saturation (HSL)72.97%
Lightness7.25%
Dominant channelBlue
Hex per channelR 05 · G 15 · B 20

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Every value on this page was computed from “hex 051520” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.