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Recognised as Colour

#2103DC

  • #2103DC
  • Blue
  • Dark
  • Nearest: Medium blue

#2103DC is a blue with RGB values 33, 3, 220 and HSL 248°, 97%, 44%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#2103DC#2103DC
HEX#2103DC
RGBrgb(33, 3, 220)
RGB (0–1)0.1294, 0.0118, 0.8627
RGB percentages12.9%, 1.2%, 86.3%
HSLhsl(248.3, 97.3%, 43.7%)
HSV / HSBhsv(248.3, 98.6%, 86.3%)
CMYK85%, 98.6%, 0%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,163,676
CSS custom property--colour: #2103DC;

Brightness & contrast

Relative luminance0.05556WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.95:1
Contrast with white9.95:1WCAG normal text: AAA
Contrast with black2.11:1WCAG normal text: Fail
Greyscale equivalent#191919
Inverted#DEFC23

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004DE1no red cones; affects about 1% of men; ΔE 36 from the original
Deuteranopia#0037D9no green cones; the most common form, about 1% of men; ΔE 23.4 from the original
Tritanopia#005B81no blue cones; rare, and affects men and women equally; ΔE 103.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.95:1WCAG large text: AAA
Contrast with black, large text2.11:1WCAG large text: Fail

Named colours

Medium blue · ΔE 5.7Blue · ΔE 16.2Blue violet · ΔE 24.3Dark violet · ΔE 27.4Dark blue · ΔE 35.6Dark orchid · ΔE 38.1
Nearest named CSS colourMedium blue (#0000CD)ΔE 5.71, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BEDC03
Analogous#0351DC, #8D03DC
Triadic#DC2103, #03DC21
Split complementary#DC8D03, #52DC03
Tetradic#DC0352, #BEDC03, #03DC8E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B8ADFE
Lighter +30%#8D7BFD
Lighter +20%#6148FD
Lighter +10%#3616FC
Darker −10%#1902AA
Darker −20%#120277
Darker −30%#0A0145
Darker −40%#030013
More saturated +25%#1F00DF
Less saturated −25%#351FC0

Channel breakdown

R33
G3
B220
Red33 (12.9%)
Green3 (1.2%)
Blue220 (86.3%)
Hue248.29°
Saturation (HSL)97.31%
Lightness43.73%
Dominant channelBlue
Hex per channelR 21 · G 03 · B DC

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Every value on this page was computed from “2103dc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.