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Recognised as Colour

#2D63DF

  • #2D63DF
  • Blue
  • Dark
  • Nearest: Royal blue

#2D63DF is a blue with RGB values 45, 99, 223 and HSL 222°, 74%, 53%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#2D63DF#2D63DF
HEX#2D63DF
RGBrgb(45, 99, 223)
RGB (0–1)0.1765, 0.3882, 0.8745
RGB percentages17.6%, 38.8%, 87.5%
HSLhsl(221.8, 73.6%, 52.5%)
HSV / HSBhsv(221.8, 79.8%, 87.5%)
CMYK79.8%, 55.6%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,974,687
CSS custom property--colour: #2D63DF;

Brightness & contrast

Relative luminance0.14809WCAG 2.x, 0 is black and 1 is white
Perceived brightness109.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.3:1
Contrast with white5.3:1WCAG normal text: AA
Contrast with black3.96:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#D29C20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0074E3no red cones; affects about 1% of men; ΔE 13.2 from the original
Deuteranopia#0064DDno green cones; the most common form, about 1% of men; ΔE 3.8 from the original
Tritanopia#008297no blue cones; rare, and affects men and women equally; ΔE 69.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.3:1WCAG large text: AAA
Contrast with black, large text3.96:1WCAG large text: AA

Named colours

Royal blue · ΔE 3.9Slate blue · ΔE 13.7Medium slateblue · ΔE 15.8Medium purple · ΔE 22.6Dodgerblue · ΔE 22.7Rebecca purple · ΔE 29.1
Nearest named CSS colourRoyal blue (#4169E1)ΔE 3.89, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DFA92D
Analogous#2DBCDF, #502DDF
Triadic#DF2D63, #63DF2D
Split complementary#DF502D, #BCDF2D
Tetradic#DF2DBC, #DFA92D, #2DDF50

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEE7FA
Lighter +30%#B2C6F3
Lighter +20%#86A5EC
Lighter +10%#5984E6
Darker −10%#1D4DBC
Darker −20%#163B90
Darker −30%#0F2964
Darker −40%#081738
More saturated +25%#0F57FD
Less saturated −25%#4B6FC1

Channel breakdown

R45
G99
B223
Red45 (17.6%)
Green99 (38.8%)
Blue223 (87.5%)
Hue221.8°
Saturation (HSL)73.55%
Lightness52.55%
Dominant channelBlue
Hex per channelR 2D · G 63 · B DF

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Every value on this page was computed from “2d63df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.