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Recognised as Colour

#2971D3

  • #2971D3
  • Blue
  • Dark
  • Nearest: Dodgerblue

#2971D3 is a blue with RGB values 41, 113, 211 and HSL 215°, 67%, 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 Dodgerblue.

Colour values

#2971D3#2971D3
HEX#2971D3
RGBrgb(41, 113, 211)
RGB (0–1)0.1608, 0.4431, 0.8275
RGB percentages16.1%, 44.3%, 82.7%
HSLhsl(214.6, 67.5%, 49.4%)
HSV / HSBhsv(214.6, 80.6%, 82.7%)
CMYK80.6%, 46.4%, 0%, 17.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,716,115
CSS custom property--colour: #2971D3;

Brightness & contrast

Relative luminance0.16985WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.78:1
Contrast with white4.78:1WCAG normal text: AA
Contrast with black4.4:1WCAG normal text: Fail
Greyscale equivalent#696969
Inverted#D68E2C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3B7BD7no red cones; affects about 1% of men; ΔE 5.7 from the original
Deuteranopia#066BD1no green cones; the most common form, about 1% of men; ΔE 3.8 from the original
Tritanopia#008898no blue cones; rare, and affects men and women equally; ΔE 54.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.78:1WCAG large text: AAA
Contrast with black, large text4.4:1WCAG large text: AA

Named colours

Dodgerblue · ΔE 13.4Royal blue · ΔE 15.6Cornflower blue · ΔE 16.1Slate blue · ΔE 23Medium purple · ΔE 25.4Dark slateblue · ΔE 26.1
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 13.4, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D38B29
Analogous#29C6D3, #3629D3
Triadic#D32971, #71D329
Split complementary#D33629, #C6D329
Tetradic#D329C6, #D38B29, #29D336

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D2E1F6
Lighter +30%#A7C5EE
Lighter +20%#7CA9E6
Lighter +10%#528DDD
Darker −10%#215AA8
Darker −20%#18437E
Darker −30%#102C53
Darker −40%#081628
More saturated +25%#096CF3
Less saturated −25%#4876B3

Channel breakdown

R41
G113
B211
Red41 (16.1%)
Green113 (44.3%)
Blue211 (82.7%)
Hue214.59°
Saturation (HSL)67.46%
Lightness49.41%
Dominant channelBlue
Hex per channelR 29 · G 71 · B D3

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Every value on this page was computed from “2971d3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.