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Recognised as Colour

#2A09BF

  • #2A09BF
  • Blue
  • Dark
  • Nearest: Medium blue

#2A09BF is a blue with RGB values 42, 9, 191 and HSL 251°, 91%, 39%. It is a dark colour, so white text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#2A09BF#2A09BF
HEX#2A09BF
RGBrgb(42, 9, 191)
RGB (0–1)0.1647, 0.0353, 0.749
RGB percentages16.5%, 3.5%, 74.9%
HSLhsl(250.9, 91%, 39.2%)
HSV / HSBhsv(250.9, 95.3%, 74.9%)
CMYK78%, 95.3%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,755,007
CSS custom property--colour: #2A09BF;

Brightness & contrast

Relative luminance0.04449WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.11:1
Contrast with white11.11:1WCAG normal text: AAA
Contrast with black1.89:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#D5F640

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0043C3no red cones; affects about 1% of men; ΔE 31.4 from the original
Deuteranopia#0033BCno green cones; the most common form, about 1% of men; ΔE 22.4 from the original
Tritanopia#004F6Fno blue cones; rare, and affects men and women equally; ΔE 92 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.11:1WCAG large text: AAA
Contrast with black, large text1.89:1WCAG large text: Fail

Named colours

Medium blue · ΔE 9.7Blue violet · ΔE 20.4Dark blue · ΔE 21.4Dark violet · ΔE 23.7Navy · ΔE 26.5Dark orchid · ΔE 29.4
Nearest named CSS colourMedium blue (#0000CD)ΔE 9.74, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9EBF09
Analogous#0943BF, #8509BF
Triadic#BF2A09, #09BF2A
Split complementary#BF8509, #43BF09
Tetradic#BF0943, #9EBF09, #09BF85

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AB9AFA
Lighter +30%#8369F8
Lighter +20%#5B38F6
Lighter +10%#350BF0
Darker −10%#1F078E
Darker −20%#15045E
Darker −30%#0A022D
Darker −40%#000000
More saturated +25%#2400C8
Less saturated −25%#3A22A6

Channel breakdown

R42
G9
B191
Red42 (16.5%)
Green9 (3.5%)
Blue191 (74.9%)
Hue250.88°
Saturation (HSL)91%
Lightness39.22%
Dominant channelBlue
Hex per channelR 2A · G 09 · B BF

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Every value on this page was computed from “2a09bf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.