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Recognised as Colour

#2B19D0

  • #2B19D0
  • Blue
  • Dark
  • Nearest: Medium blue

#2B19D0 is a blue with RGB values 43, 25, 208 and HSL 246°, 79%, 46%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#2B19D0#2B19D0
HEX#2B19D0
RGBrgb(43, 25, 208)
RGB (0–1)0.1686, 0.098, 0.8157
RGB percentages16.9%, 9.8%, 81.6%
HSLhsl(245.9, 78.5%, 45.7%)
HSV / HSBhsv(245.9, 88%, 81.6%)
CMYK79.3%, 88%, 0%, 18.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,824,656
CSS custom property--colour: #2B19D0;

Brightness & contrast

Relative luminance0.05763WCAG 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 9.76:1
Contrast with white9.76:1WCAG normal text: AAA
Contrast with black2.15:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#D4E62F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004CD5no red cones; affects about 1% of men; ΔE 30.7 from the original
Deuteranopia#003BCDno green cones; the most common form, about 1% of men; ΔE 21.3 from the original
Tritanopia#00597Bno blue cones; rare, and affects men and women equally; ΔE 94.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.76:1WCAG large text: AAA
Contrast with black, large text2.15:1WCAG large text: Fail

Named colours

Medium blue · ΔE 7.5Blue violet · ΔE 19.4Dark violet · ΔE 23.9Dark blue · ΔE 26Blue · ΔE 27Dark orchid · ΔE 30.5
Nearest named CSS colourMedium blue (#0000CD)ΔE 7.54, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BED019
Analogous#1962D0, #8719D0
Triadic#D02B19, #19D02B
Split complementary#D08619, #63D019
Tetradic#D01962, #BED019, #19D087

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C3BEF7
Lighter +30%#9A90F2
Lighter +20%#7063EC
Lighter +10%#4735E7
Darker −10%#2214A2
Darker −20%#180E75
Darker −30%#0F0947
Darker −40%#05031A
More saturated +25%#1700E9
Less saturated −25%#4236B3

Channel breakdown

R43
G25
B208
Red43 (16.9%)
Green25 (9.8%)
Blue208 (81.6%)
Hue245.9°
Saturation (HSL)78.54%
Lightness45.69%
Dominant channelBlue
Hex per channelR 2B · G 19 · B D0

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Every value on this page was computed from “2b19d0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.