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Recognised as Colour

#2F2288

  • #2F2288
  • Blue
  • Dark
  • Nearest: Midnight blue

#2F2288 is a blue with RGB values 47, 34, 136 and HSL 248°, 60%, 33%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#2F2288#2F2288
HEX#2F2288
RGBrgb(47, 34, 136)
RGB (0–1)0.1843, 0.1333, 0.5333
RGB percentages18.4%, 13.3%, 53.3%
HSLhsl(247.6, 60%, 33.3%)
HSV / HSBhsv(247.6, 75%, 53.3%)
CMYK65.4%, 75%, 0%, 46.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,089,032
CSS custom property--colour: #2F2288;

Brightness & contrast

Relative luminance0.03526WCAG 2.x, 0 is black and 1 is white
Perceived brightness58.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.32:1
Contrast with white12.32:1WCAG normal text: AAA
Contrast with black1.71:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#D0DD77

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00398Bno red cones; affects about 1% of men; ΔE 19.4 from the original
Deuteranopia#003186no green cones; the most common form, about 1% of men; ΔE 15.2 from the original
Tritanopia#003F53no blue cones; rare, and affects men and women equally; ΔE 60.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.32:1WCAG large text: AAA
Contrast with black, large text1.71:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.7Rebecca purple · ΔE 14.4Indigo · ΔE 14.6Navy · ΔE 17Dark slateblue · ΔE 18.9Dark blue · ΔE 20.6
Nearest named CSS colourMidnight blue (#191970)ΔE 9.68, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7B8822
Analogous#224888, #622288
Triadic#882F22, #22882F
Split complementary#886222, #488822
Tetradic#882248, #7B8822, #228862

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9D92E4
Lighter +30%#7869DA
Lighter +20%#5341CF
Lighter +10%#3D2CB1
Darker −10%#21185F
Darker −20%#130E36
Darker −30%#05030E
Darker −40%#000000
More saturated +25%#1F0D9D
Less saturated −25%#3F3773

Channel breakdown

R47
G34
B136
Red47 (18.4%)
Green34 (13.3%)
Blue136 (53.3%)
Hue247.65°
Saturation (HSL)60%
Lightness33.33%
Dominant channelBlue
Hex per channelR 2F · G 22 · B 88

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Every value on this page was computed from “2f2288” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.