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Colour

#2B2897

  • #2B2897
  • Blue
  • Dark
  • Nearest: Midnight blue

#2B2897 is a blue with RGB values 43, 40, 151 and HSL 242°, 58%, 37%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#2B2897#2B2897
HEX#2B2897
RGBrgb(43, 40, 151)
RGB (0–1)0.1686, 0.1569, 0.5922
RGB percentages16.9%, 15.7%, 59.2%
HSLhsl(241.6, 58.1%, 37.5%)
HSV / HSBhsv(241.6, 73.5%, 59.2%)
CMYK71.5%, 73.5%, 0%, 40.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,828,439
CSS custom property--colour: #2B2897;

Brightness & contrast

Relative luminance0.04266WCAG 2.x, 0 is black and 1 is white
Perceived brightness64 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.33:1
Contrast with white11.33:1WCAG normal text: AAA
Contrast with black1.85:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#D4D768

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003F9Ano red cones; affects about 1% of men; ΔE 18.7 from the original
Deuteranopia#003595no green cones; the most common form, about 1% of men; ΔE 12.9 from the original
Tritanopia#00475Dno blue cones; rare, and affects men and women equally; ΔE 64.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.33:1WCAG large text: AAA
Contrast with black, large text1.85:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 14.9Indigo · ΔE 15.5Navy · ΔE 15.6Rebecca purple · ΔE 15.9Dark blue · ΔE 18Slate blue · ΔE 21
Nearest named CSS colourMidnight blue (#191970)ΔE 14.93, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#949728
Analogous#285C97, #632897
Triadic#972B28, #28972B
Split complementary#976328, #5C9728
Tetradic#97285C, #949728, #289763

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A6A4E7
Lighter +30%#7E7CDC
Lighter +20%#5753D2
Lighter +10%#3633BF
Darker −10%#201D6F
Darker −20%#141346
Darker −30%#09081E
Darker −40%#000000
More saturated +25%#1410AF
Less saturated −25%#42407F

Channel breakdown

R43
G40
B151
Red43 (16.9%)
Green40 (15.7%)
Blue151 (59.2%)
Hue241.62°
Saturation (HSL)58.12%
Lightness37.45%
Dominant channelBlue
Hex per channelR 2B · G 28 · B 97

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Every value on this page was computed from “2b2897” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.