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Colour

#000288

  • #000288
  • Blue
  • Dark
  • Nearest: Dark blue

#000288 is a blue with RGB values 0, 2, 136 and HSL 239°, 100%, 27%. It is a dark colour, so white text on it reaches 15.4:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#000288#000288
HEX#000288
RGBrgb(0, 2, 136)
RGB (0–1)0, 0.0078, 0.5333
RGB percentages0%, 0.8%, 53.3%
HSLhsl(239.1, 100%, 26.7%)
HSV / HSBhsv(239.1, 100%, 53.3%)
CMYK100%, 98.5%, 0%, 46.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer648
CSS custom property--colour: #000288;

Brightness & contrast

Relative luminance0.01821WCAG 2.x, 0 is black and 1 is white
Perceived brightness45.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.39:1
Contrast with white15.39:1WCAG normal text: AAA
Contrast with black1.36:1WCAG normal text: Fail
Greyscale equivalent#0B0B0B
Inverted#FFFD77

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002C8Bno red cones; affects about 1% of men; ΔE 25.1 from the original
Deuteranopia#001D86no green cones; the most common form, about 1% of men; ΔE 15.5 from the original
Tritanopia#00364Eno blue cones; rare, and affects men and women equally; ΔE 73.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.39:1WCAG large text: AAA
Contrast with black, large text1.36:1WCAG large text: Fail

Named colours

Dark blue · ΔE 2.2Navy · ΔE 3.2Indigo · ΔE 15.4Midnight blue · ΔE 24.6Rebecca purple · ΔE 27.9Medium blue · ΔE 32.2
Nearest named CSS colourDark blue (#00008B)ΔE 2.16, below the just-noticeable difference
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#888600
Analogous#004688, #420088
Triadic#880002, #028800
Split complementary#884200, #468800
Tetradic#880046, #888600, #008842

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5558FF
Lighter +30%#2225FF
Lighter +20%#0003EE
Lighter +10%#0003BB
Darker −10%#000155
Darker −20%#000122
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000288
Less saturated −25%#111277

Channel breakdown

R0
G2
B136
Red0 (0%)
Green2 (0.8%)
Blue136 (53.3%)
Hue239.12°
Saturation (HSL)100%
Lightness26.67%
Dominant channelBlue
Hex per channelR 00 · G 02 · B 88

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Every value on this page was computed from “hex 000288” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.