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Recognised as Colour

#3A09D2

  • #3A09D2
  • Blue
  • Dark
  • Nearest: Medium blue

#3A09D2 is a blue with RGB values 58, 9, 210 and HSL 255°, 92%, 43%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#3A09D2#3A09D2
HEX#3A09D2
RGBrgb(58, 9, 210)
RGB (0–1)0.2275, 0.0353, 0.8235
RGB percentages22.7%, 3.5%, 82.4%
HSLhsl(254.6, 91.8%, 42.9%)
HSV / HSBhsv(254.6, 95.7%, 82.4%)
CMYK72.4%, 95.7%, 0%, 17.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,803,602
CSS custom property--colour: #3A09D2;

Brightness & contrast

Relative luminance0.05748WCAG 2.x, 0 is black and 1 is white
Perceived brightness78 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.77:1
Contrast with white9.77:1WCAG normal text: AAA
Contrast with black2.15:1WCAG normal text: Fail
Greyscale equivalent#222222
Inverted#C5F62D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004BD7no red cones; affects about 1% of men; ΔE 33.9 from the original
Deuteranopia#003BCFno green cones; the most common form, about 1% of men; ΔE 25.5 from the original
Tritanopia#00577Bno blue cones; rare, and affects men and women equally; ΔE 97.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.77:1WCAG large text: AAA
Contrast with black, large text2.15:1WCAG large text: Fail

Named colours

Medium blue · ΔE 5.2Blue violet · ΔE 19Dark violet · ΔE 22.4Blue · ΔE 23.2Dark blue · ΔE 29.5Dark orchid · ΔE 31.6
Nearest named CSS colourMedium blue (#0000CD)ΔE 5.18, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A1D209
Analogous#093DD2, #9F09D2
Triadic#D23A09, #09D23A
Split complementary#D29E09, #3DD209
Tetradic#D2093D, #A1D209, #09D29F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BFACFB
Lighter +30%#9A7BF9
Lighter +20%#744AF7
Lighter +10%#4F19F5
Darker −10%#2C07A1
Darker −20%#1F0570
Darker −30%#11033F
Darker −40%#04010E
More saturated +25%#3500DB
Less saturated −25%#4824B7

Channel breakdown

R58
G9
B210
Red58 (22.7%)
Green9 (3.5%)
Blue210 (82.4%)
Hue254.63°
Saturation (HSL)91.78%
Lightness42.94%
Dominant channelBlue
Hex per channelR 3A · G 09 · B D2

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Every value on this page was computed from “3a09d2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.