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Recognised as Colour

#2109DC

  • #2109DC
  • Blue
  • Dark
  • Nearest: Medium blue

#2109DC is a blue with RGB values 33, 9, 220 and HSL 247°, 92%, 45%. 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

#2109DC#2109DC
HEX#2109DC
RGBrgb(33, 9, 220)
RGB (0–1)0.1294, 0.0353, 0.8627
RGB percentages12.9%, 3.5%, 86.3%
HSLhsl(246.8, 92.1%, 44.9%)
HSV / HSBhsv(246.8, 95.9%, 86.3%)
CMYK85%, 95.9%, 0%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,165,212
CSS custom property--colour: #2109DC;

Brightness & contrast

Relative luminance0.05686WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.83:1
Contrast with white9.83:1WCAG normal text: AAA
Contrast with black2.14:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#DEF623

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004DE1no red cones; affects about 1% of men; ΔE 34.8 from the original
Deuteranopia#0038D9no green cones; the most common form, about 1% of men; ΔE 22.8 from the original
Tritanopia#005C81no blue cones; rare, and affects men and women equally; ΔE 103.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.83:1WCAG large text: AAA
Contrast with black, large text2.14:1WCAG large text: Fail

Named colours

Medium blue · ΔE 5.1Blue · ΔE 17.2Blue violet · ΔE 23.6Dark violet · ΔE 27Dark blue · ΔE 34.7Dark orchid · ΔE 37.3
Nearest named CSS colourMedium blue (#0000CD)ΔE 5.05, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C4DC09
Analogous#095BDC, #8A09DC
Triadic#DC2109, #09DC21
Split complementary#DC8B09, #5ADC09
Tetradic#DC095B, #C4DC09, #09DC8A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BDB5FC
Lighter +30%#9184FA
Lighter +20%#6653F8
Lighter +10%#3A22F6
Darker −10%#1A07AB
Darker −20%#12057A
Darker −30%#0B0349
Darker −40%#040118
More saturated +25%#1A00E5
Less saturated −25%#3726BF

Channel breakdown

R33
G9
B220
Red33 (12.9%)
Green9 (3.5%)
Blue220 (86.3%)
Hue246.82°
Saturation (HSL)92.14%
Lightness44.9%
Dominant channelBlue
Hex per channelR 21 · G 09 · B DC

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Every value on this page was computed from “2109dc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.