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Recognised as Colour

#022588

  • #022588
  • Blue
  • Dark
  • Nearest: Midnight blue

#022588 is a blue with RGB values 2, 37, 136 and HSL 224°, 97%, 27%. It is a dark colour, so white text on it reaches 12.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#022588#022588
HEX#022588
RGBrgb(2, 37, 136)
RGB (0–1)0.0078, 0.1451, 0.5333
RGB percentages0.8%, 14.5%, 53.3%
HSLhsl(224.3, 97.1%, 27.1%)
HSV / HSBhsv(224.3, 98.5%, 53.3%)
CMYK98.5%, 72.8%, 0%, 46.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer140,680
CSS custom property--colour: #022588;

Brightness & contrast

Relative luminance0.03114WCAG 2.x, 0 is black and 1 is white
Perceived brightness54 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.94:1
Contrast with white12.94:1WCAG normal text: AAA
Contrast with black1.62:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#FDDA77

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00388Bno red cones; affects about 1% of men; ΔE 14.9 from the original
Deuteranopia#002B86no green cones; the most common form, about 1% of men; ΔE 6.2 from the original
Tritanopia#004154no blue cones; rare, and affects men and women equally; ΔE 58.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.94:1WCAG large text: AAA
Contrast with black, large text1.62:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9Navy · ΔE 19.1Dark slateblue · ΔE 19.2Rebecca purple · ΔE 19.5Indigo · ΔE 20.4Dark blue · ΔE 22.7
Nearest named CSS colourMidnight blue (#191970)ΔE 8.97, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#886502
Analogous#026888, #220288
Triadic#880225, #258802
Split complementary#882202, #688802
Tetradic#880268, #886502, #028822

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5984FD
Lighter +30%#275FFC
Lighter +20%#0340ED
Lighter +10%#0333BA
Darker −10%#011756
Darker −20%#010A23
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00248A
Less saturated −25%#132D77

Channel breakdown

R2
G37
B136
Red2 (0.8%)
Green37 (14.5%)
Blue136 (53.3%)
Hue224.33°
Saturation (HSL)97.1%
Lightness27.06%
Dominant channelBlue
Hex per channelR 02 · G 25 · B 88

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Every value on this page was computed from “hex 022588” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.