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Recognised as Colour

#2841DD

  • #2841DD
  • Blue
  • Dark
  • Nearest: Medium slateblue

#2841DD is a blue with RGB values 40, 65, 221 and HSL 232°, 73%, 51%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#2841DD#2841DD
HEX#2841DD
RGBrgb(40, 65, 221)
RGB (0–1)0.1569, 0.2549, 0.8667
RGB percentages15.7%, 25.5%, 86.7%
HSLhsl(231.7, 72.7%, 51.2%)
HSV / HSBhsv(231.7, 81.9%, 86.7%)
CMYK81.9%, 70.6%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,638,301
CSS custom property--colour: #2841DD;

Brightness & contrast

Relative luminance0.09452WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.27:1
Contrast with white7.27:1WCAG normal text: AAA
Contrast with black2.89:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#D7BE22

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0060E2no red cones; affects about 1% of men; ΔE 22.5 from the original
Deuteranopia#004EDAno green cones; the most common form, about 1% of men; ΔE 11.9 from the original
Tritanopia#006D8Bno blue cones; rare, and affects men and women equally; ΔE 84.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.27:1WCAG large text: AAA
Contrast with black, large text2.89:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 22.7Blue violet · ΔE 24Medium blue · ΔE 25.5Dark blue · ΔE 25.5Slate blue · ΔE 27.2Dark orchid · ΔE 28.3
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 22.73, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DDC428
Analogous#289CDD, #6928DD
Triadic#DD2841, #41DD28
Split complementary#DD6A28, #9BDD28
Tetradic#DD289C, #DDC428, #28DD6A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D8DDF9
Lighter +30%#ACB6F2
Lighter +20%#808FEB
Lighter +10%#5468E4
Darker −10%#1D32B5
Darker −20%#162689
Darker −30%#0F1A5D
Darker −40%#080E31
More saturated +25%#092AFC
Less saturated −25%#4758BE

Channel breakdown

R40
G65
B221
Red40 (15.7%)
Green65 (25.5%)
Blue221 (86.7%)
Hue231.71°
Saturation (HSL)72.69%
Lightness51.18%
Dominant channelBlue
Hex per channelR 28 · G 41 · B DD

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Every value on this page was computed from “2841dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.