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Recognised as Colour

#005D9B

  • #005D9B
  • Blue
  • Dark
  • Nearest: Steel blue

#005D9B is a blue with RGB values 0, 93, 155 and HSL 204°, 100%, 30%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#005D9B#005D9B
HEX#005D9B
RGBrgb(0, 93, 155)
RGB (0–1)0, 0.3647, 0.6078
RGB percentages0%, 36.5%, 60.8%
HSLhsl(204, 100%, 30.4%)
HSV / HSBhsv(204, 100%, 60.8%)
CMYK100%, 40%, 0%, 39.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer23,963
CSS custom property--colour: #005D9B;

Brightness & contrast

Relative luminance0.10195WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.91:1
Contrast with white6.91:1WCAG normal text: AA
Contrast with black3.04:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#FFA264

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3E619Eno red cones; affects about 1% of men; ΔE 7.3 from the original
Deuteranopia#26549Ano green cones; the most common form, about 1% of men; ΔE 9.2 from the original
Tritanopia#006C74no blue cones; rare, and affects men and women equally; ΔE 37.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.91:1WCAG large text: AAA
Contrast with black, large text3.04:1WCAG large text: AA

Named colours

Steel blue · ΔE 17.2Dark slateblue · ΔE 26.1Cornflower blue · ΔE 26.7Dodgerblue · ΔE 32.7Slate grey · ΔE 33.2Light slate grey · ΔE 34.2
Nearest named CSS colourSteel blue (#4682B4)ΔE 17.16, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9B3E00
Analogous#009B8B, #00109B
Triadic#9B005D, #5D9B00
Split complementary#9B000F, #9B8B00
Tetradic#8C009B, #9B3E00, #109B00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#68C3FF
Lighter +30%#35AEFF
Lighter +20%#029AFF
Lighter +10%#007CCE
Darker −10%#003E68
Darker −20%#002035
Darker −30%#000102
Darker −40%#000000
More saturated +25%#005D9B
Less saturated −25%#135988

Channel breakdown

R0
G93
B155
Red0 (0%)
Green93 (36.5%)
Blue155 (60.8%)
Hue204°
Saturation (HSL)100%
Lightness30.39%
Dominant channelBlue
Hex per channelR 00 · G 5D · B 9B

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Every value on this page was computed from “005d9b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.