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Colour

#2104DD

  • #2104DD
  • Blue
  • Dark
  • Nearest: Medium blue

#2104DD is a blue with RGB values 33, 4, 221 and HSL 248°, 96%, 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

#2104DD#2104DD
HEX#2104DD
RGBrgb(33, 4, 221)
RGB (0–1)0.1294, 0.0157, 0.8667
RGB percentages12.9%, 1.6%, 86.7%
HSLhsl(248, 96.4%, 44.1%)
HSV / HSBhsv(248, 98.2%, 86.7%)
CMYK85.1%, 98.2%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,163,933
CSS custom property--colour: #2104DD;

Brightness & contrast

Relative luminance0.05631WCAG 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 9.88:1
Contrast with white9.88:1WCAG normal text: AAA
Contrast with black2.13:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#DEFB22

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004DE2no red cones; affects about 1% of men; ΔE 35.7 from the original
Deuteranopia#0038DAno green cones; the most common form, about 1% of men; ΔE 23.7 from the original
Tritanopia#005C81no blue cones; rare, and affects men and women equally; ΔE 104.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.88:1WCAG large text: AAA
Contrast with black, large text2.13:1WCAG large text: Fail

Named colours

Medium blue · ΔE 6Blue · ΔE 16Blue violet · ΔE 24.4Dark violet · ΔE 27.6Dark blue · ΔE 35.9Dark orchid · ΔE 38.3
Nearest named CSS colourMedium blue (#0000CD)ΔE 6, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C0DD04
Analogous#0453DD, #8D04DD
Triadic#DD2104, #04DD21
Split complementary#DD8E04, #54DD04
Tetradic#DD0454, #C0DD04, #04DD8E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BAAFFE
Lighter +30%#8E7DFD
Lighter +20%#634BFC
Lighter +10%#3719FB
Darker −10%#1A03AB
Darker −20%#120279
Darker −30%#0B0147
Darker −40%#030015
More saturated +25%#1E00E1
Less saturated −25%#3620C1

Channel breakdown

R33
G4
B221
Red33 (12.9%)
Green4 (1.6%)
Blue221 (86.7%)
Hue248.02°
Saturation (HSL)96.44%
Lightness44.12%
Dominant channelBlue
Hex per channelR 21 · G 04 · B DD

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Every value on this page was computed from “2104dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.