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Recognised as Colour

#2D71CB

  • #2D71CB
  • Blue
  • Dark
  • Nearest: Cornflower blue

#2D71CB is a blue with RGB values 45, 113, 203 and HSL 214°, 64%, 49%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#2D71CB#2D71CB
HEX#2D71CB
RGBrgb(45, 113, 203)
RGB (0–1)0.1765, 0.4431, 0.7961
RGB percentages17.6%, 44.3%, 79.6%
HSLhsl(214.2, 63.7%, 48.6%)
HSV / HSBhsv(214.2, 77.8%, 79.6%)
CMYK77.8%, 44.3%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,978,251
CSS custom property--colour: #2D71CB;

Brightness & contrast

Relative luminance0.1668WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.84:1
Contrast with white4.84:1WCAG normal text: AA
Contrast with black4.34:1WCAG normal text: Fail
Greyscale equivalent#696969
Inverted#D28E34

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4379CEno red cones; affects about 1% of men; ΔE 4.8 from the original
Deuteranopia#226BC9no green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#008694no blue cones; rare, and affects men and women equally; ΔE 51.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.84:1WCAG large text: AAA
Contrast with black, large text4.34:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 14.6Dodgerblue · ΔE 15.7Royal blue · ΔE 20Dark slateblue · ΔE 25.3Steel blue · ΔE 25.7Slate blue · ΔE 26
Nearest named CSS colourCornflower blue (#6495ED)ΔE 14.55, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CB872D
Analogous#2DC0CB, #382DCB
Triadic#CB2D71, #71CB2D
Split complementary#CB382D, #C0CB2D
Tetradic#CB2DC0, #CB872D, #2DCB38

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D0DFF4
Lighter +30%#A6C4EB
Lighter +20%#7CA8E2
Lighter +10%#528CD9
Darker −10%#245AA1
Darker −20%#1A4378
Darker −30%#112B4E
Darker −40%#081424
More saturated +25%#0E6DEA
Less saturated −25%#4C75AC

Channel breakdown

R45
G113
B203
Red45 (17.6%)
Green113 (44.3%)
Blue203 (79.6%)
Hue214.18°
Saturation (HSL)63.71%
Lightness48.63%
Dominant channelBlue
Hex per channelR 2D · G 71 · B CB

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Every value on this page was computed from “2d71cb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.