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Recognised as Colour

#2B1DD0

  • #2B1DD0
  • Blue
  • Dark
  • Nearest: Medium blue

#2B1DD0 is a blue with RGB values 43, 29, 208 and HSL 245°, 76%, 46%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#2B1DD0#2B1DD0
HEX#2B1DD0
RGBrgb(43, 29, 208)
RGB (0–1)0.1686, 0.1137, 0.8157
RGB percentages16.9%, 11.4%, 81.6%
HSLhsl(244.7, 75.5%, 46.5%)
HSV / HSBhsv(244.7, 86.1%, 81.6%)
CMYK79.3%, 86.1%, 0%, 18.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,825,680
CSS custom property--colour: #2B1DD0;

Brightness & contrast

Relative luminance0.05946WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.59:1
Contrast with white9.59:1WCAG normal text: AAA
Contrast with black2.19:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#D4E22F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004DD5no red cones; affects about 1% of men; ΔE 29.8 from the original
Deuteranopia#003CCDno green cones; the most common form, about 1% of men; ΔE 20.4 from the original
Tritanopia#005A7Cno blue cones; rare, and affects men and women equally; ΔE 93.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.59:1WCAG large text: AAA
Contrast with black, large text2.19:1WCAG large text: Fail

Named colours

Medium blue · ΔE 9.1Blue violet · ΔE 19.2Dark violet · ΔE 24.1Dark blue · ΔE 25.1Blue · ΔE 28.4Dark orchid · ΔE 29.8
Nearest named CSS colourMedium blue (#0000CD)ΔE 9.13, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C2D01D
Analogous#1D68D0, #851DD0
Triadic#D02B1D, #1DD02B
Split complementary#D0841D, #68D01D
Tetradic#D01D68, #C2D01D, #1DD085

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7C2F7
Lighter +30%#9D96F0
Lighter +20%#7369EA
Lighter +10%#493CE4
Darker −10%#2217A3
Darker −20%#181176
Darker −30%#0F0A4A
Darker −40%#06041D
More saturated +25%#1300ED
Less saturated −25%#443BB2

Channel breakdown

R43
G29
B208
Red43 (16.9%)
Green29 (11.4%)
Blue208 (81.6%)
Hue244.69°
Saturation (HSL)75.53%
Lightness46.47%
Dominant channelBlue
Hex per channelR 2B · G 1D · B D0

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Every value on this page was computed from “2b1dd0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.