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Recognised as Colour

#005799

  • #005799
  • Blue
  • Dark
  • Nearest: Steel blue

#005799 is a blue with RGB values 0, 87, 153 and HSL 206°, 100%, 30%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#005799#005799
HEX#005799
RGBrgb(0, 87, 153)
RGB (0–1)0, 0.3412, 0.6
RGB percentages0%, 34.1%, 60%
HSLhsl(205.9, 100%, 30%)
HSV / HSBhsv(205.9, 100%, 60%)
CMYK100%, 43.1%, 0%, 40%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer22,425
CSS custom property--colour: #005799;

Brightness & contrast

Relative luminance0.09116WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.44:1
Contrast with white7.44:1WCAG normal text: AAA
Contrast with black2.82:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#FFA866

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#355C9Cno red cones; affects about 1% of men; ΔE 5.6 from the original
Deuteranopia#184F98no green cones; the most common form, about 1% of men; ΔE 7.3 from the original
Tritanopia#006770no blue cones; rare, and affects men and women equally; ΔE 39.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.44:1WCAG large text: AAA
Contrast with black, large text2.82:1WCAG large text: Fail

Named colours

Steel blue · ΔE 20.8Dark slateblue · ΔE 22.5Cornflower blue · ΔE 27.2Dodgerblue · ΔE 32Royal blue · ΔE 34Midnight blue · ΔE 35
Nearest named CSS colourSteel blue (#4682B4)ΔE 20.77, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#994200
Analogous#00998E, #000B99
Triadic#990057, #579900
Split complementary#99000A, #998E00
Tetradic#8F0099, #994200, #0B9900

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#66BDFF
Lighter +30%#33A7FF
Lighter +20%#0091FF
Lighter +10%#0074CC
Darker −10%#003A66
Darker −20%#001D33
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005799
Less saturated −25%#135486

Channel breakdown

R0
G87
B153
Red0 (0%)
Green87 (34.1%)
Blue153 (60%)
Hue205.88°
Saturation (HSL)100%
Lightness30%
Dominant channelBlue
Hex per channelR 00 · G 57 · B 99

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Every value on this page was computed from “hex 005799” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.