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Recognised as Colour

#005597

  • #005597
  • Blue
  • Dark
  • Nearest: Steel blue

#005597 is a blue with RGB values 0, 85, 151 and HSL 206°, 100%, 30%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#005597#005597
HEX#005597
RGBrgb(0, 85, 151)
RGB (0–1)0, 0.3333, 0.5922
RGB percentages0%, 33.3%, 59.2%
HSLhsl(206.2, 100%, 29.6%)
HSV / HSBhsv(206.2, 100%, 59.2%)
CMYK100%, 43.7%, 0%, 40.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer21,911
CSS custom property--colour: #005597;

Brightness & contrast

Relative luminance0.08731WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.65:1
Contrast with white7.65:1WCAG normal text: AAA
Contrast with black2.75:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#FFAA68

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#325A9Ano red cones; affects about 1% of men; ΔE 5.2 from the original
Deuteranopia#154E96no green cones; the most common form, about 1% of men; ΔE 6.3 from the original
Tritanopia#00656Eno blue cones; rare, and affects men and women equally; ΔE 39.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.65:1WCAG large text: AAA
Contrast with black, large text2.75:1WCAG large text: Fail

Named colours

Steel blue · ΔE 21.5Dark slateblue · ΔE 21.9Cornflower blue · ΔE 27.8Dodgerblue · ΔE 32.4Royal blue · ΔE 34Midnight blue · ΔE 34.2
Nearest named CSS colourSteel blue (#4682B4)ΔE 21.55, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#974200
Analogous#00978D, #000A97
Triadic#970055, #559700
Split complementary#97000A, #978D00
Tetradic#8D0097, #974200, #0A9700

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#64BBFF
Lighter +30%#31A5FF
Lighter +20%#008EFD
Lighter +10%#0072CA
Darker −10%#003864
Darker −20%#001C31
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005597
Less saturated −25%#135384

Channel breakdown

R0
G85
B151
Red0 (0%)
Green85 (33.3%)
Blue151 (59.2%)
Hue206.23°
Saturation (HSL)100%
Lightness29.61%
Dominant channelBlue
Hex per channelR 00 · G 55 · B 97

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Every value on this page was computed from “hex 005597” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.