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Recognised as Colour

#2149DA

  • #2149DA
  • Blue
  • Dark
  • Nearest: Medium slateblue

#2149DA is a blue with RGB values 33, 73, 218 and HSL 227°, 74%, 49%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#2149DA#2149DA
HEX#2149DA
RGBrgb(33, 73, 218)
RGB (0–1)0.1294, 0.2863, 0.8549
RGB percentages12.9%, 28.6%, 85.5%
HSLhsl(227, 73.7%, 49.2%)
HSV / HSBhsv(227, 84.9%, 85.5%)
CMYK84.9%, 66.5%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,181,594
CSS custom property--colour: #2149DA;

Brightness & contrast

Relative luminance0.1015WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.93:1
Contrast with white6.93:1WCAG normal text: AA
Contrast with black3.03:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#DEB625

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0063DFno red cones; affects about 1% of men; ΔE 19 from the original
Deuteranopia#0051D7no green cones; the most common form, about 1% of men; ΔE 8.4 from the original
Tritanopia#00718Bno blue cones; rare, and affects men and women equally; ΔE 80.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.93:1WCAG large text: AAA
Contrast with black, large text3.03:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 18.4Royal blue · ΔE 21.2Slate blue · ΔE 21.3Dark blue · ΔE 26.6Navy · ΔE 28.8Blue violet · ΔE 29.3
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 18.35, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DAB221
Analogous#21A5DA, #5621DA
Triadic#DA2149, #49DA21
Split complementary#DA5621, #A6DA21
Tetradic#DA21A5, #DAB221, #21DA56

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CFD8F8
Lighter +30%#A3B4F1
Lighter +20%#7790EA
Lighter +10%#4A6BE4
Darker −10%#1A3AAE
Darker −20%#142B81
Darker −30%#0D1D55
Darker −40%#060E29
More saturated +25%#0237F9
Less saturated −25%#405BBB

Channel breakdown

R33
G73
B218
Red33 (12.9%)
Green73 (28.6%)
Blue218 (85.5%)
Hue227.03°
Saturation (HSL)73.71%
Lightness49.22%
Dominant channelBlue
Hex per channelR 21 · G 49 · B DA

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Every value on this page was computed from “2149da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.