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Recognised as Colour

#2D47DE

  • #2D47DE
  • Blue
  • Dark
  • Nearest: Medium slateblue

#2D47DE is a blue with RGB values 45, 71, 222 and HSL 231°, 73%, 52%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#2D47DE#2D47DE
HEX#2D47DE
RGBrgb(45, 71, 222)
RGB (0–1)0.1765, 0.2784, 0.8706
RGB percentages17.6%, 27.8%, 87.1%
HSLhsl(231.2, 72.8%, 52.4%)
HSV / HSBhsv(231.2, 79.7%, 87.1%)
CMYK79.7%, 68%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,967,518
CSS custom property--colour: #2D47DE;

Brightness & contrast

Relative luminance0.10338WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.85:1
Contrast with white6.85:1WCAG normal text: AA
Contrast with black3.07:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#D2B821

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0063E3no red cones; affects about 1% of men; ΔE 20.6 from the original
Deuteranopia#0052DBno green cones; the most common form, about 1% of men; ΔE 10.9 from the original
Tritanopia#00718Dno blue cones; rare, and affects men and women equally; ΔE 82.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.85:1WCAG large text: AAA
Contrast with black, large text3.07:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 19.5Slate blue · ΔE 23.8Royal blue · ΔE 24.5Blue violet · ΔE 26.1Dark blue · ΔE 26.5Dark orchid · ΔE 28.5
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 19.55, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DEC42D
Analogous#2DA0DE, #6B2DDE
Triadic#DE2D47, #47DE2D
Split complementary#DE6B2D, #A0DE2D
Tetradic#DE2DA0, #DEC42D, #2DDE6B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DDE1FA
Lighter +30%#B1BBF3
Lighter +20%#8594EC
Lighter +10%#596EE5
Darker −10%#1D34BB
Darker −20%#16288F
Darker −30%#0F1C63
Darker −40%#090F36
More saturated +25%#0F32FC
Less saturated −25%#4B5CC0

Channel breakdown

R45
G71
B222
Red45 (17.6%)
Green71 (27.8%)
Blue222 (87.1%)
Hue231.19°
Saturation (HSL)72.84%
Lightness52.35%
Dominant channelBlue
Hex per channelR 2D · G 47 · B DE

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Every value on this page was computed from “2d47de” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.