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Recognised as Colour

#2873DC

  • #2873DC
  • Blue
  • Dark
  • Nearest: Dodgerblue

#2873DC is a blue with RGB values 40, 115, 220 and HSL 215°, 72%, 51%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#2873DC#2873DC
HEX#2873DC
RGBrgb(40, 115, 220)
RGB (0–1)0.1569, 0.451, 0.8627
RGB percentages15.7%, 45.1%, 86.3%
HSLhsl(215, 72%, 51%)
HSV / HSBhsv(215, 81.8%, 86.3%)
CMYK81.8%, 47.7%, 0%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,651,100
CSS custom property--colour: #2873DC;

Brightness & contrast

Relative luminance0.1788WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.59:1
Contrast with white4.59:1WCAG normal text: AA
Contrast with black4.58:1WCAG normal text: AA
Greyscale equivalent#6B6B6B
Inverted#D78C23

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#367EE0no red cones; affects about 1% of men; ΔE 6.5 from the original
Deuteranopia#006EDAno green cones; the most common form, about 1% of men; ΔE 3.1 from the original
Tritanopia#008C9Dno blue cones; rare, and affects men and women equally; ΔE 58.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.59:1WCAG large text: AAA
Contrast with black, large text4.58:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 11.9Royal blue · ΔE 12.2Cornflower blue · ΔE 17.6Slate blue · ΔE 21.2Medium purple · ΔE 24.3Medium slateblue · ΔE 26.4
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 11.86, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DC9128
Analogous#28CDDC, #3728DC
Triadic#DC2873, #73DC28
Split complementary#DC3728, #CDDC28
Tetradic#DC28CD, #DC9128, #28DC37

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D7E5F9
Lighter +30%#ACC9F1
Lighter +20%#80ACEA
Lighter +10%#5490E3
Darker −10%#1D5CB4
Darker −20%#164688
Darker −30%#0F2F5C
Darker −40%#081930
More saturated +25%#096EFB
Less saturated −25%#4778BD

Channel breakdown

R40
G115
B220
Red40 (15.7%)
Green115 (45.1%)
Blue220 (86.3%)
Hue215°
Saturation (HSL)72%
Lightness50.98%
Dominant channelBlue
Hex per channelR 28 · G 73 · B DC

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Every value on this page was computed from “2873dc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.