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Recognised as Colour

#2875D3

  • #2875D3
  • Blue
  • Dark
  • Nearest: Dodgerblue

#2875D3 is a blue with RGB values 40, 117, 211 and HSL 213°, 68%, 49%. 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

#2875D3#2875D3
HEX#2875D3
RGBrgb(40, 117, 211)
RGB (0–1)0.1569, 0.4588, 0.8275
RGB percentages15.7%, 45.9%, 82.7%
HSLhsl(213, 68.1%, 49.2%)
HSV / HSBhsv(213, 81%, 82.7%)
CMYK81%, 44.5%, 0%, 17.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,651,603
CSS custom property--colour: #2875D3;

Brightness & contrast

Relative luminance0.17877WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.6 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#D78A2C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#447ED7no red cones; affects about 1% of men; ΔE 5.2 from the original
Deuteranopia#1D6ED1no green cones; the most common form, about 1% of men; ΔE 4.5 from the original
Tritanopia#008B9Ano blue cones; rare, and affects men and women equally; ΔE 52.7 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 13.1Cornflower blue · ΔE 13.8Royal blue · ΔE 18.8Slate blue · ΔE 25.9Medium purple · ΔE 27.2Steel blue · ΔE 27.3
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 13.14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D38628
Analogous#28CAD3, #3128D3
Triadic#D32875, #75D328
Split complementary#D33128, #CAD328
Tetradic#D328CA, #D38628, #28D331

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D1E2F6
Lighter +30%#A6C6EE
Lighter +20%#7BABE6
Lighter +10%#5090DE
Darker −10%#205DA8
Darker −20%#18457D
Darker −30%#102E52
Darker −40%#071628
More saturated +25%#0972F2
Less saturated −25%#4778B4

Channel breakdown

R40
G117
B211
Red40 (15.7%)
Green117 (45.9%)
Blue211 (82.7%)
Hue212.98°
Saturation (HSL)68.13%
Lightness49.22%
Dominant channelBlue
Hex per channelR 28 · G 75 · B D3

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Every value on this page was computed from “2875d3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.