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Colour

#051F4D

  • #051F4D
  • Blue
  • Dark
  • Nearest: Dark slateblue

#051F4D is a blue with RGB values 5, 31, 77 and HSL 218°, 88%, 16%. It is a dark colour, so white text on it reaches 16:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#051F4D#051F4D
HEX#051F4D
RGBrgb(5, 31, 77)
RGB (0–1)0.0196, 0.1216, 0.302
RGB percentages2%, 12.2%, 30.2%
HSLhsl(218.3, 87.8%, 16.1%)
HSV / HSBhsv(218.3, 93.5%, 30.2%)
CMYK93.5%, 59.7%, 0%, 69.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer335,693
CSS custom property--colour: #051F4D;

Brightness & contrast

Relative luminance0.01548WCAG 2.x, 0 is black and 1 is white
Perceived brightness35.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.04:1
Contrast with white16.04:1WCAG normal text: AAA
Contrast with black1.31:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#FAE0B2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00254Fno red cones; affects about 1% of men; ΔE 5.1 from the original
Deuteranopia#001E4Cno green cones; the most common form, about 1% of men; ΔE 0.8 from the original
Tritanopia#002A32no blue cones; rare, and affects men and women equally; ΔE 30.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.04:1WCAG large text: AAA
Contrast with black, large text1.31:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 25.9Midnight blue · ΔE 28Black · ΔE 35.4Dark slate grey · ΔE 40Rebecca purple · ΔE 41Steel blue · ΔE 42.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 25.91, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4D3305
Analogous#05434D, #0F054D
Triadic#4D051F, #1F4D05
Split complementary#4D0F05, #434D05
Tetradic#4D0543, #4D3305, #054D0F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2D74F1
Lighter +30%#0E59DD
Lighter +20%#0B46AD
Lighter +10%#08327D
Darker −10%#020C1D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001E52
Less saturated −25%#0F2243

Channel breakdown

R5
G31
B77
Red5 (2%)
Green31 (12.2%)
Blue77 (30.2%)
Hue218.33°
Saturation (HSL)87.8%
Lightness16.08%
Dominant channelBlue
Hex per channelR 05 · G 1F · B 4D

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Every value on this page was computed from “051f4d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.