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Recognised as Colour

#2841DB

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

#2841DB is a blue with RGB values 40, 65, 219 and HSL 232°, 71%, 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

#2841DB#2841DB
HEX#2841DB
RGBrgb(40, 65, 219)
RGB (0–1)0.1569, 0.2549, 0.8588
RGB percentages15.7%, 25.5%, 85.9%
HSLhsl(231.6, 71.3%, 50.8%)
HSV / HSBhsv(231.6, 81.7%, 85.9%)
CMYK81.7%, 70.3%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,638,299
CSS custom property--colour: #2841DB;

Brightness & contrast

Relative luminance0.09346WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.32:1
Contrast with white7.32:1WCAG normal text: AAA
Contrast with black2.87:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#D7BE24

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005FE0no red cones; affects about 1% of men; ΔE 21.8 from the original
Deuteranopia#004DD8no green cones; the most common form, about 1% of men; ΔE 11.2 from the original
Tritanopia#006D89no blue cones; rare, and affects men and women equally; ΔE 84.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.32:1WCAG large text: AAA
Contrast with black, large text2.87:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 22.1Blue violet · ΔE 24.5Dark blue · ΔE 25Slate blue · ΔE 26.2Medium blue · ΔE 26.3Royal blue · ΔE 27.6
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 22.13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DBC228
Analogous#289ADB, #6928DB
Triadic#DB2841, #41DB28
Split complementary#DB6928, #9ADB28
Tetradic#DB289A, #DBC228, #28DB69

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D7DBF8
Lighter +30%#ABB5F1
Lighter +20%#7F8EEA
Lighter +10%#5468E2
Darker −10%#1E33B2
Darker −20%#172686
Darker −30%#0F1A5B
Darker −40%#080D2F
More saturated +25%#092AFA
Less saturated −25%#4758BC

Channel breakdown

R40
G65
B219
Red40 (15.7%)
Green65 (25.5%)
Blue219 (85.9%)
Hue231.62°
Saturation (HSL)71.31%
Lightness50.78%
Dominant channelBlue
Hex per channelR 28 · G 41 · B DB

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