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Recognised as Colour

#0359AA

  • #0359AA
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0359AA is a blue with RGB values 3, 89, 170 and HSL 209°, 97%, 34%. It is a dark colour, so white text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0359AA#0359AA
HEX#0359AA
RGBrgb(3, 89, 170)
RGB (0–1)0.0118, 0.349, 0.6667
RGB percentages1.2%, 34.9%, 66.7%
HSLhsl(209.1, 96.5%, 33.9%)
HSV / HSBhsv(209.1, 98.2%, 66.7%)
CMYK98.2%, 47.6%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer219,562
CSS custom property--colour: #0359AA;

Brightness & contrast

Relative luminance0.10066WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.97:1
Contrast with white6.97:1WCAG normal text: AA
Contrast with black3.01:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#FCA655

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A61ADno red cones; affects about 1% of men; ΔE 5.1 from the original
Deuteranopia#0053A8no green cones; the most common form, about 1% of men; ΔE 4.1 from the original
Tritanopia#006D79no blue cones; rare, and affects men and women equally; ΔE 47.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.97:1WCAG large text: AAA
Contrast with black, large text3.01:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 19Cornflower blue · ΔE 24Royal blue · ΔE 24.7Dodgerblue · ΔE 25.5Steel blue · ΔE 26.6Slate blue · ΔE 28.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA5403
Analogous#03AAA8, #0305AA
Triadic#AA0359, #59AA03
Split complementary#AA0305, #AAA803
Tetradic#A803AA, #AA5403, #05AA03

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7CBEFD
Lighter +30%#4AA6FC
Lighter +20%#188DFB
Lighter +10%#0473DC
Darker −10%#023F78
Darker −20%#012546
Darker −30%#000A14
Darker −40%#000000
More saturated +25%#0059AD
Less saturated −25%#195894

Channel breakdown

R3
G89
B170
Red3 (1.2%)
Green89 (34.9%)
Blue170 (66.7%)
Hue209.1°
Saturation (HSL)96.53%
Lightness33.92%
Dominant channelBlue
Hex per channelR 03 · G 59 · B AA

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Every value on this page was computed from “0359aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.